Jobs at Djinni

JarvisHeart is a rapidly expanding global IT & Tech company based in Cyprus, dedicated to its team, providing an inspiring dynamic work culture.Established in 2024, we are aimed to deliver services and solutions for businesses. We attract and retain the best IT professionals, offering avenues for development and progress to provide exceptional solutions to clients around the globe. Join us and become a part of JarvisHeart’s success story.

🌟 Requirements

• 1+ years of experience in iGaming (Game Operations / Casino Operations)
• Proven experience working with Tier-1 GEOs (must-have)
• Strong understanding of the casino game lifecycle (adding, testing, activation, updates, archiving)
• Hands-on experience working with game providers and aggregators
• Experience with game integrations and provider communication
• Experience in managing Casino Lobby (categories, providers)
• Understanding of game availability across GEOs, locales, and player segments
• Experience in monitoring game performance and identifying tech issues
• Good communication skills and cross-functional collaboration
• English — Intermediate+ (for communication with provider)

🎯 Responsibilities

• Manage the full game lifecycle (adding, testing, activation, updates, and archiving
• Work closely with game providers and aggregators (communication, issue resolution, integrations)
• Monitor game performance and availability across GEOs and player segments
• Maintain and optimize Casino Lobby (categories, providers, game placement)
• Monitor product stability and escalate technical issues
• Collaborate with Product, Retention and VIP teams

What we offer:

• 17 vacation days (Enjoy vacation policy to recharge and explore. We believe work-life balance is key to personal and professional well-being.)
• 15 paid sick days (Your health matters. We offer paid sick leave to ensure you can recover without financial stress)
• Insurance after the probation period (Your well-being is our priority. After completing the probationary period, you’ll gain access to our comprehensive insurance plan to support your health and peace of mind.)
• Public holidays off (Take time to celebrate and enjoy national holidays with friends and family without worrying about work.)
• Work equipment provided (Start your journey with the best tools for success! We provide all the necessary equipment to help you work efficiently and comfortably.)

We are looking for an experienced Senior Data Scientist to join our team and help unlock the full value of data across our platform, products, and business operations. In this role, you will apply advanced analytics, machine learning, and statistical modeling to generate actionable insights, improve decision-making, and drive innovation across the organization.

Responsibilities

• Analyze large, complex datasets to uncover trends, patterns, and insights that support strategic business and product decisions.
• Build predictive models to forecast business outcomes, improve operational efficiency, and support decision-making across multiple functions.
• Design and implement feature engineering techniques to improve machine learning model performance and accuracy.
• Partner with cross-functional teams including product, engineering, operations, and business stakeholders to identify opportunities and translate them into scalable data science solutions.
• Clean, preprocess, and structure data from multiple sources to ensure high-quality inputs for analysis and modeling.
• Develop, test, and deploy machine learning models for use cases such as classification, regression, clustering, recommendation systems, and forecasting.
• Evaluate and optimize model performance using appropriate statistical and machine learning metrics.
• Create dashboards, reports, and visualizations that clearly communicate findings and recommendations to technical and non-technical audiences.
• Automate recurring analysis, reporting, and model workflows to improve efficiency and consistency.
• Monitor production models and continuously improve performance, reliability, and business impact over time.
• Stay current with the latest advancements in data science, machine learning, and AI, and apply relevant innovations to PredictSpring’s platform and operations.

Requirements

• Excellent communication skills, including fluent verbal English, with the ability to explain complex concepts to non-technical stakeholders and collaborate effectively across teams.
• Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Mathematics, or a related field.
• Proven experience as a Data Scientist, with a strong background in machine learning, statistical analysis, and predictive modeling.
• Strong programming skills in Python preferred, or similar languages such as R, with hands-on experience using libraries such as Pandas, NumPy, scikit-learn, TensorFlow, or PyTorch.
• Expertise in building and deploying machine learning models for classification, regression, time-series forecasting, recommendation systems, and related applications.
• Strong experience with data wrangling, feature engineering, and working with structured and unstructured datasets.
• Proficiency in SQL for querying, transforming, and analyzing structured data.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud for model deployment and data workflows.
• Experience with data visualization tools such as Power BI, Tableau, or Python visualization libraries.
• Strong analytical thinking, problem-solving ability, and a passion for applying data science to real-world business challenges.

Preferred Qualifications

• Familiarity with big data and distributed processing tools such as Apache Spark, Hadoop, or Databricks.
• Experience with deep learning frameworks such as TensorFlow, Keras, or PyTorch.
• Experience with natural language processing techniques such as text classification, sentiment analysis, or large language model applications.
• Strong foundation in statistical analysis, experimentation, and hypothesis testing.
• Experience collaborating with or supporting data engineering teams in building scalable data pipelines.
• Familiarity with version control tools such as Git.
• Strong business acumen and the ability to align technical solutions with business goals.
• Experience in retail, e-commerce, omni-channel commerce, or POS technology is a strong plus.

Why PredictSpring?

• Join a market-leading company shaping the future of omni-channel retail and modern POS.
• Work on high-impact challenges at the intersection of commerce, data, and customer experience.
• Collaborate with a talented global team in a flexible remote work environment.
• Enjoy opportunities for growth, learning, and professional development.
• Contribute to products used by some of the world’s most recognized retail and lifestyle brands.
• Be part of an innovative, collaborative, and data-driven culture focused on delivering measurable business value.

About PredictSpring

PredictSpring is a market-leading company shaping the future of omni-channel retail and modern POS technology. We help global retail and lifestyle brands deliver seamless, modern, and data-driven customer experiences across digital and in-store channels.

We are looking for a highly skilled Senior AI/ML Engineer – GenAI to design, develop, and deploy enterprise-grade AI solutions with a strong focus on Generative AI, Large Language Models, Retrieval-Augmented Generation, and Agentic AI systems.

In this role, you will build production AI applications, multi-agent workflows, scalable ML pipelines, and cloud-native AI solutions that create business value across our platform and operations.
 

Responsibilities

As a Senior AI/ML Engineer – GenAI, you will:

• Design, develop, and deploy enterprise Generative AI applications using foundation models such as GPT, Claude, Gemini, Llama, Mistral, and other open-source LLMs.
• Build advanced RAG solutions using vector databases, embeddings, reranking techniques, and hybrid search architectures.
• Develop prompt engineering strategies, evaluation frameworks, guardrails, and hallucination mitigation techniques.
• Fine-tune and optimize LLMs using techniques such as LoRA, QLoRA, PEFT, and reinforcement learning approaches.
• Integrate LLMs with enterprise applications, APIs, databases, and business workflows.
• Design and implement autonomous and semi-autonomous AI agents capable of reasoning, planning, memory management, tool usage, and workflow orchestration.
• Build multi-agent systems using frameworks such as LangGraph, LangChain, AutoGen, CrewAI, Semantic Kernel, MCP, A2A, or similar technologies.
• Build and maintain end-to-end machine learning pipelines, including data ingestion, feature engineering, model training, evaluation, deployment, and monitoring.
• Develop predictive models, recommendation systems, anomaly detection solutions, NLP applications, and deep learning models.
• Design CI/CD pipelines for machine learning and AI applications.
• Deploy and manage AI workloads using Docker, Kubernetes, and cloud-native services.
• Monitor model drift, performance degradation, latency, and data quality.
• Architect cloud-native AI solutions on AWS, Azure, or Google Cloud Platform.
• Partner with product managers, software engineers, data engineers, and business stakeholders to translate business requirements into AI solutions.
• Mentor junior engineers and contribute to architecture reviews, technical strategy, and AI best practices.

Requirements

We are looking for someone with:

• Upper C1 or higher English proficiency, with fluent spoken and written English.
• Ability to confidently participate in client-facing discussions, technical workshops, architecture reviews, stakeholder presentations, and cross-functional collaboration.
• Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Data Science, Machine Learning, Engineering, or a related field.
• 7+ years of software engineering, machine learning, or AI experience.
• Minimum 3+ years of hands-on experience developing and deploying Generative AI applications in production environments.
• Strong Python programming skills with experience building scalable backend systems.
• Extensive experience with machine learning frameworks including PyTorch, TensorFlow, scikit-learn, and Hugging Face.
• Proven experience developing RAG architectures and knowledge retrieval systems.
• Experience building Agentic AI solutions and multi-agent workflows.
• Strong understanding of vector databases, embeddings, semantic search, and retrieval optimization.
• Experience with cloud platforms including AWS, Azure, or GCP.
• Strong understanding of MLOps principles, CI/CD, containerization, and model lifecycle management.

Preferred Qualifications

Nice to have:

• Experience with managed AI services such as AWS SageMaker, AWS Bedrock, Azure OpenAI, Azure ML, or Vertex AI.
• Experience with distributed computing platforms such as Databricks, Spark, or Ray.
• Experience with AI governance, responsible AI practices, model monitoring, and production AI observability.
• Experience with secure AI architectures, role-based permissions, auditability, and compliance controls.
• Experience in retail, e-commerce, omni-channel commerce, or POS technology is a strong plus.

Why PredictSpring?

• Join a market-leading company shaping the future of omni-channel retail and modern POS.
• Work on high-impact challenges at the intersection of commerce, data, AI, and customer experience.
• Collaborate with a talented global team in a flexible remote work environment.
• Enjoy opportunities for growth, learning, and professional development.
• Contribute to products used by some of the world’s most recognized retail and lifestyle brands.
• Be part of an innovative, collaborative, and data-driven culture focused on delivering measurable business value.

About PredictSpring

PredictSpring is a market-leading company shaping the future of omni-channel retail and modern POS technology. We help global retail and lifestyle brands deliver seamless, scalable, and modern customer experiences across digital and in-store channels.

We are looking for an experienced Salesforce Developer with strong technical expertise and Upper C1 level English communication skills to join our global remote team.

In this role, you will design, develop, customize, and maintain Salesforce solutions that improve business workflows, strengthen CRM operations, and support cross-functional teams. You will work closely with product managers, business analysts, administrators, engineering teams, and business stakeholders to understand requirements, explain technical solutions clearly, and deliver secure, scalable, and high-quality Salesforce applications.

Upper C1 English communication is mandatory. The candidate must be able to speak clearly and confidently in remote meetings, explain Salesforce concepts in simple business terms, ask strong follow-up questions, and communicate effectively with both technical and non-technical stakeholders.

Responsibilities

As a Salesforce Developer, you will:

• Salesforce Development: Design, develop, and maintain custom Salesforce solutions using Apex, Lightning Web Components, Visualforce, Flows, and other Salesforce platform tools.
• Business Requirement Translation: Work closely with business stakeholders, product teams, and Salesforce administrators to understand business needs and translate them into clear technical solutions.
• Lightning Web Components: Build and enhance modern Salesforce user interfaces using Lightning Web Components, Aura Components, and the Salesforce Lightning Design System.
• Apex Development: Develop Apex classes, triggers, batch jobs, scheduled jobs, and asynchronous processes to support business logic and automation.
• Salesforce Integrations: Design, build, and maintain integrations between Salesforce and external systems using REST APIs, SOAP APIs, Bulk API, Platform Events, middleware, or other integration tools.
• Data Management: Work with Salesforce objects, fields, relationships, SOQL, SOSL, Data Loader, and data migration processes to ensure data accuracy and system reliability.
• Automation & Configuration: Build and maintain Salesforce Flows, validation rules, approval processes, workflow automation, and custom business processes.
• Testing & Debugging: Write unit tests, troubleshoot bugs, debug Apex and Lightning components, and ensure solutions meet Salesforce testing and deployment requirements.
• Release & Deployment: Support deployments across sandbox and production environments using Salesforce DX, change sets, Git, CI/CD tools, or similar release management practices.
• Security & Access Control: Configure and support Salesforce security settings, including profiles, permission sets, sharing rules, roles, field-level security, OAuth, and authentication flows.
• Performance Optimization: Optimize Apex, SOQL queries, Lightning components, and integrations to improve performance, scalability, and user experience.
• Documentation: Create clear technical documentation, configuration notes, integration details, and release documentation for both technical and non-technical audiences.
• Cross-Functional Collaboration: Communicate clearly with global remote teams in English, explain technical issues in simple business terms, clarify requirements, and provide regular updates on development progress, risks, and blockers.

Requirements

We are looking for someone with:

• Communication: Upper C1 level English communication skill is mandatory. The candidate must be able to speak fluently and confidently in remote meetings, explain complex Salesforce topics clearly, ask strong follow-up questions, and communicate with both technical and non-technical stakeholders.
• Experience: Proven experience as a Salesforce Developer, Salesforce Platform Developer, CRM Developer, or similar role.
• Salesforce Platform: Strong hands-on experience with Salesforce Sales Cloud, Service Cloud, Experience Cloud, or similar Salesforce products.
• Apex & LWC: Strong experience developing with Apex, Lightning Web Components, Visualforce, Aura Components, and Salesforce platform customization tools.
• SOQL & Data Model: Strong understanding of Salesforce data model, custom objects, relationships, SOQL, SOSL, and data management best practices.
• API & Integration Skills: Experience building and supporting Salesforce integrations using REST APIs, SOAP APIs, Bulk API, Platform Events, webhooks, or middleware platforms.
• Automation: Experience with Salesforce Flows, validation rules, approval processes, workflow rules, process automation, and business logic configuration.
• Testing: Ability to write Apex unit tests, troubleshoot technical issues, validate business requirements, and ensure high-quality Salesforce releases.
• Version Control: Familiarity with Git, Salesforce DX, deployment pipelines, change sets, or CI/CD release processes.
• Agile Environment: Experience working in Agile or Scrum teams, participating in sprint planning, backlog refinement, daily standups, demos, and release cycles.
• Problem Solving: Strong analytical and problem-solving skills with the ability to troubleshoot production issues, identify root causes, and deliver practical solutions.
• Business Understanding: Ability to understand business workflows and align Salesforce solutions with operational goals, user needs, and customer experience.

Preferred Qualifications

Nice to have:

• Salesforce Certifications: Salesforce Platform Developer I, Platform Developer II, Salesforce Administrator, or related Salesforce certifications are preferred.
• Advanced Integrations: Experience with MuleSoft, middleware platforms, ETL tools, third-party APIs, or enterprise integration patterns.
• Salesforce CPQ: Experience with Salesforce CPQ, Quote-to-Cash workflows, pricing rules, product rules, approvals, or quote templates is a plus.
• Experience Cloud: Experience building partner portals, customer portals, or community experiences using Salesforce Experience Cloud.
• DevOps for Salesforce: Experience with Copado, Gearset, Flosum, Jenkins, GitHub Actions, Azure DevOps, or similar Salesforce DevOps tools.
• Security & Compliance: Understanding of Salesforce security model, data privacy, audit requirements, authentication, OAuth, SAML, and role-based access control.
• Reporting & Analytics: Experience building Salesforce reports, dashboards, CRM analytics, and business performance views.
• Data Migration: Experience with data import, data cleanup, migration planning, deduplication, and data quality improvement.
• AI & Automation: Familiarity with Salesforce Einstein, AI-assisted CRM workflows, or intelligent automation is a plus.
• Technical Leadership: Ability to review code, guide junior developers, suggest best practices, and improve Salesforce development standards.

Why PredictSpring?

• Competitive salary and flexible payment methods.
• Opportunities for growth and professional development.
• Flexible working hours and remote work options.
• A collaborative, innovative, and inclusive work environment.
• Be part of a business-focused technology culture that values clear communication, quality delivery, and practical innovation.
• Work with global teams to build Salesforce solutions that improve customer operations, business workflows, and decision-making.

About PredictSpring

PredictSpring is a market-leading company shaping the future of omni-channel retail and modern POS technology. We help global retail and lifestyle brands deliver seamless, scalable, and modern customer experiences across digital and in-store channels.

We are looking for a highly skilled and experienced QA Automation Engineer with strong automation expertise and Upper C1 level English communication skills to join our team and help us strengthen software quality across our platform, products, and business operations.

In this role, you will design, develop, and maintain automated testing frameworks, validate product functionality, improve test coverage, and clearly communicate quality risks, defects, test results, and release readiness to engineering, product, and business teams. You will work closely with cross-functional stakeholders in English to clarify requirements, explain technical issues in simple business terms, support smooth and stable releases, improve testing efficiency, reduce manual effort, and help the team deliver better software faster.
 

Responsibilities

As a QA Automation Engineer, you will:

• Test Automation Development: Design, build, and maintain automated test scripts and test frameworks for web applications, APIs, backend services, and data-driven workflows.
• Test Planning & Strategy: Create clear test plans, test cases, and test strategies based on product requirements, user stories, acceptance criteria, and business priorities.
• Functional & Regression Testing: Execute automated functional, regression, smoke, integration, and end-to-end tests to ensure application stability across releases.
• API Testing: Validate REST APIs and backend services using tools such as Postman, REST Assured, Playwright API testing, or similar frameworks.
• UI Automation: Build and maintain UI automation tests using tools such as Selenium, Playwright, Cypress, or similar automation frameworks.
• CI/CD Integration: Integrate automated tests into CI/CD pipelines using tools such as Jenkins, GitHub Actions, GitLab CI, Azure DevOps, or similar platforms.
• Defect Management: Identify, document, track, and verify software defects using tools such as Jira, Azure DevOps, or similar issue-tracking systems.
• Collaboration: Work closely with developers, product managers, business analysts, and other QA team members to understand requirements and ensure test coverage aligns with business needs.
• Test Coverage Improvement: Analyze gaps in current testing coverage and continuously improve automation scope, test reliability, and execution speed.
• Data Validation: Perform database and data validation testing using SQL to ensure data accuracy, consistency, and integrity across systems.
• Performance & Reliability Support: Support basic performance, load, and reliability testing when needed to help identify system bottlenecks and quality risks.
• Reporting & Documentation: Create clear test reports, defect summaries, release quality updates, and testing documentation for technical and non-technical stakeholders.
• Automation Optimization: Improve existing automation scripts by reducing flaky tests, increasing reusability, and applying best practices in test design.
• Quality Advocacy: Promote a quality-first mindset across the team and help improve QA processes, release readiness, and software delivery standards.

Requirements

We are looking for someone with:

• Communication: Excellent communication skills, specifically fluent verbal English (Upper C1 level), are mandatory to explain testing results, quality risks, and technical issues to both technical and non-technical stakeholders.
• Education: Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field, or equivalent practical experience.
• Experience: Proven experience as a QA Automation Engineer, Software Test Engineer, SDET, or similar role with hands-on automation testing experience.
• Programming: Strong programming or scripting skills in one or more languages such as Java, Python, JavaScript, TypeScript, or C#.
• Automation Tools: Hands-on experience with automation frameworks such as Selenium, Playwright, Cypress, TestNG, JUnit, PyTest, or similar tools.
• API Testing: Strong experience testing REST APIs using Postman, REST Assured, Playwright, or similar tools.
• SQL & Data Validation: Good understanding of SQL for validating data, writing queries, and checking backend/database behavior.
• Testing Fundamentals: Strong understanding of software testing concepts, including functional testing, regression testing, integration testing, smoke testing, UAT, and end-to-end testing.
• CI/CD: Experience integrating automated tests into CI/CD pipelines and working with version control systems such as Git.
• Agile Environment: Experience working in Agile or Scrum teams, participating in sprint planning, backlog refinement, daily standups, and release cycles.
• Defect Tracking: Experience using Jira, Azure DevOps, TestRail, Zephyr, or similar tools for test case management and defect tracking.
• Problem Solving: Strong analytical and problem-solving skills with the ability to troubleshoot test failures, isolate root causes, and communicate issues clearly.
• Attention to Detail: Strong attention to detail and a quality-focused mindset to ensure software meets functional, business, and user experience expectations.

Preferred Qualifications

Nice to have:

• Advanced Automation Frameworks: Experience designing reusable, scalable, and maintainable automation frameworks from scratch.
• Cloud Platforms: Familiarity with cloud environments such as AWS, Azure, or Google Cloud for testing cloud-hosted applications.
• Containerization: Basic understanding of Docker, Kubernetes, or containerized test environments.
• Performance Testing: Familiarity with performance testing tools such as JMeter, k6, Gatling, or similar tools.
• Security Testing Awareness: Basic knowledge of security testing concepts, authentication flows, authorization checks, and common web vulnerabilities.
• Mobile Testing: Experience with mobile test automation tools such as Appium or similar frameworks.
• Data Testing: Experience testing data pipelines, ETL workflows, reports, dashboards, or data-heavy applications.
• Test Reporting: Experience building dashboards or reports to track test coverage, automation pass rate, defect trends, and release quality.
• AI-Assisted Testing: Familiarity with AI-assisted testing tools, test generation, self-healing tests, or intelligent test automation is a plus.
• Business Acumen: Ability to understand business goals and align testing priorities with product quality, customer experience, and delivery timelines.

Why PredictSpring?

• Join a market-leading company shaping the future of omni-channel retail and modern POS.
• Work on high-impact quality challenges at the intersection of commerce, cloud technology, and customer experience.
• Collaborate with a talented global team in a flexible remote work environment.
• Enjoy opportunities for growth, learning, and professional development.
• Contribute to products used by some of the world's most recognized retail and lifestyle brands.
• Be part of a quality-driven culture that values reliable, scalable, and measurable business value.

About PredictSpring

PredictSpring is a market-leading company shaping the future of omni-channel retail and modern POS technology. We help global retail and lifestyle brands deliver seamless, scalable, and modern customer experiences across digital and in-store channels.

We are looking for a highly skilled and experienced Senior Java Full Stack Engineer to join our team and help build secure, scalable, and high-performance software solutions across our platform, products, and business operations.

In this role, you will work across backend development, frontend applications, cloud infrastructure, microservices, APIs, messaging systems, and CI/CD workflows. You will play a key role in building reliable enterprise-grade systems that support modern commerce, retail operations, and customer experience.

Responsibilities

As a Senior Java Full Stack Engineer, you will:

• Design, develop, and maintain scalable, secure, and high-performance backend services using Java and frameworks such as Spring Boot, Spring Cloud, Spring MVC, and Hibernate.
• Build and maintain application workflows, APIs, services, and platform features that support PredictSpring’s product and business operations.
• Develop and implement RESTful APIs and GraphQL services for seamless integration between frontend applications, backend systems, third-party platforms, and internal tools.
• Work with cloud-based infrastructure using AWS services such as EC2, S3, Lambda, and RDS, as well as Azure services such as Azure Functions, Azure SQL Database, and App Services.
• Build responsive and maintainable frontend features using modern JavaScript frameworks such as React.js, Angular, or Vue.js.
• Work with messaging and event-driven technologies such as Apache Kafka, RabbitMQ, ActiveMQ, and JMS.
• Utilize Docker and Kubernetes to containerize applications, manage microservices, streamline deployments, and support scalable production environments.
• Collaborate with cross-functional teams, including product, engineering, design, operations, and business stakeholders, to deliver high-quality software solutions.
• Troubleshoot, debug, monitor, and optimize applications for performance, scalability, reliability, and maintainability using tools such as JProfiler, New Relic, Prometheus, or similar platforms.
• Write clean, efficient, maintainable, and testable code following Java best practices, design patterns, and modern software engineering standards.
• Participate in code reviews, architecture discussions, technical planning, and continuous improvement of engineering practices.
• Implement and manage CI/CD pipelines using tools such as Jenkins, GitLab CI, CircleCI, AWS CodePipeline, and Azure DevOps.
• Ensure security, data protection, authentication, authorization, and secure communication across applications and services using tools and practices such as Spring Security, OAuth2, JWT, SSL/TLS, and OWASP guidelines.
• Stay current with the latest Java technologies, cloud platforms, DevOps practices, and industry trends, and apply relevant improvements to PredictSpring’s platform and operations.

Requirements

We are looking for someone with:

• Excellent communication skills, including fluent verbal English, with the ability to explain technical concepts clearly and collaborate effectively across distributed teams.
• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Technology, or a related field.
• Proven experience as a Full Stack Engineer or Full Stack Developer, with a strong focus on Java 8 or later for backend development.
• Strong hands-on experience with Java frameworks such as Spring Boot, Spring Cloud, Spring MVC, Hibernate, and JPA.
• Strong experience designing, building, and maintaining scalable backend systems, APIs, microservices, and enterprise-grade applications.
• Experience with cloud technologies such as AWS and Azure, especially AWS EC2, AWS Lambda, AWS RDS, Azure Functions, Azure App Services, and Azure SQL Database.
• Extensive experience with frontend technologies such as JavaScript, React.js, Angular, or Vue.js.
• Expertise in containerization and orchestration technologies such as Docker and Kubernetes.
• Solid experience with SQL and NoSQL databases, including SQL Server, PostgreSQL, MySQL, MongoDB, Cassandra, Redis, or similar technologies.
• Experience with message brokers and event-driven architecture using tools such as Apache Kafka, RabbitMQ, or ActiveMQ.
• Strong working knowledge of RESTful API design and GraphQL for building reliable backend services.
• Experience with CI/CD tools such as Jenkins, GitLab CI, CircleCI, and cloud deployment services such as AWS CodePipeline and Azure DevOps.
• Knowledge of unit testing and integration testing frameworks such as JUnit, Mockito, Spring Test, or similar tools.
• Understanding of security best practices in the Java ecosystem, including Spring Security, OAuth2, JWT, SSL/TLS, and secure API design.
• Experience with version control systems such as Git and collaborative development workflows.
• Familiarity with agile development methodologies, sprint-based workflows, and collaborative engineering practices.
• Strong problem-solving and debugging skills, with the ability to resolve complex technical issues across both frontend and backend layers.

Preferred Qualifications

Nice to have:

• Experience with microservices architecture and distributed system design.
• Experience with tools and frameworks such as Spring Cloud, Netflix OSS, Hystrix, Eureka, or Docker Swarm.
• Familiarity with DevOps practices and infrastructure-as-code tools such as Terraform, Ansible, and CloudFormation.
• Experience with serverless computing using AWS Lambda or Azure Functions for scalable, event-driven applications.
• Experience with real-time data processing using tools such as Kafka Streams or message queue-based architectures.
• Familiarity with monitoring, observability, and logging tools such as Prometheus, Grafana, ELK Stack, Datadog, New Relic, or similar platforms.
• Experience with Agile/Scrum methodologies and project management tools such as JIRA.
• Experience supporting production systems, monitoring application health, and improving reliability over time.
• Experience working with high-traffic, scalable, customer-facing SaaS or enterprise platforms.
• Experience in retail, e-commerce, omni-channel commerce, or POS technology is a strong plus.

Why PredictSpring?

• Join a market-leading company shaping the future of omni-channel retail and modern POS.
• Work on high-impact engineering challenges at the intersection of commerce, cloud technology, and customer experience.
• Collaborate with a talented global team in a flexible remote work environment.
• Enjoy opportunities for growth, learning, and professional development.
• Contribute to products used by some of the world’s most recognized retail and lifestyle brands.
• Be part of an innovative, collaborative, and engineering-driven culture focused on building reliable, scalable, and measurable business value.

About Yanarchy

Yanarchy is a Los Angeles–based talent management agency building scalable systems around creator operations, monetization, analytics, and internal workflows.

As the company grows, we are increasingly focused on operational efficiency, data visibility, and AI-powered decision-making. Our internal ecosystem combines creator management, automation, analytics, and business tooling — and data plays a key role in how we scale.

We are looking for a Data Analyst who can help us transform fragmented operational data into clear reporting systems, actionable insights, and strategic visibility across teams.

The Role

We are looking for a Middle Data Analyst to own and improve analytics infrastructure across Sales, Marketing, and operational teams.

This role is ideal for someone who enjoys working with large datasets, business metrics, reporting systems, and process optimization — and who can independently turn raw data into practical business recommendations.

You will work closely with stakeholders across departments, helping teams better understand performance, identify bottlenecks, and make faster data-driven decisions.

What You Will Do

Business Reporting

Develop and maintain reporting systems and dashboards for operational, sales, and marketing teams.

Analytics & Decision Support

Analyze business performance, identify trends and inefficiencies, and provide recommendations based on data.

Dashboard Development

Build interactive Power BI dashboards with clear visualization logic and scalable data models.

Data Infrastructure Support

Work with data collection, transformation, validation, and preparation processes across multiple sources.

KPI Monitoring

Track key business metrics, identify anomalies, and improve visibility into company performance.

Cross-team Collaboration

Communicate with stakeholders to understand reporting needs and align analytics with business goals.

Process Optimization

Help improve operational workflows through analytics, automation opportunities, and structured reporting.

Candidate Expectations

• 2+ years of experience as a Data Analyst in a tech, SaaS, or operational environment
• Strong SQL skills and confidence working with complex datasets
• Practical experience with Power BI, DAX, and dashboard architecture
• Experience integrating data from multiple sources
• Understanding of data validation and reporting accuracy
• Strong analytical thinking and attention to detail
• Ability to communicate insights clearly to non-technical teams
• Independent and ownership-oriented mindset

• English level sufficient for internal communication and documentation

   

Nice to Have

• Experience with Python and API-based data extraction
• Familiarity with forecasting or predictive analytics
• Experience working with operational or sales analytics
• Understanding of automation systems or AI-related products
• Knowledge of performance optimization in BI tools

What We Offer

• Remote-first setup with flexible collaboration
• Opportunity to work on internal systems and AI-powered products
• High ownership and direct business impact
• Fast-moving environment without heavy corporate bureaucracy
• Paid vacation, sick leave, and personal days off

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

We are seeking a skilled Core Developer (Rust/ C++) for Swarm Robotics & Sensor Control with over 5 years of professional experience to join our dynamic development team. You will play a key role in building and optimizing the core architectures for the real-time control and management of robotic swarms and sensor systems. This position offers the opportunity to work with cutting-edge technologies and contribute to complex, mission-critical systems in a collaborative environment.

What is your Day to Day Mission:

• Design, develop, and maintain robust and scalable systems for swarm control and sensor management.
• Implement efficient communication protocols and real-time processing solutions for robotics.
• Collaborate closely with cross-functional teams to integrate backend components with robotics software and sensor networks.
• Optimize system performance, scalability, and reliability in a distributed robotics environment.
• Solve challenging problems using modern programming languages such as C++ and Rust.
• Participate in code reviews, architecture discussions, and software design decisions.

What you bring to the team:

• 5+ years of professional experience in backend development with a strong focus on real-time systems.
• Proficiency in Rust and C++, with a solid understanding of modern software development practices.
• Experience in building and optimizing backend architectures for distributed systems.
• Familiarity with network protocols, multithreading, and low-latency data processing.
• Knowledge of system architecture design, performance optimization, and resource management.

• Ability to work independently, solve complex technical problems, and thrive in a fast-paced startup environment.

   

Nice-to-Have:

• Experience in robotics, swarm control, or sensor integration.
• Familiarity with cloud platforms, Docker, or Kubernetes for scalable deployments.

• Understanding of embedded systems or real-time operating environments.

   

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

As a Flight Control Systems Engineer, you will be a key part of our Flight Controls team to solve some of the most interesting flight guidance, dynamics, and controls problems you’ll have ever heard of. Together with our world-class team, currently four team members, you will take an empowering role: pushing the boundaries of drone technologies.

You will be working closely with stakeholders from the navigation, embedded systems, and flight test departments to conceive, implement, and validate flight guidance and control system algorithms, features, and improvements. Flight Controls at Quantum-Systems - your mission will be a powerful impact.
 

What is your Day to Day Mission:

• Design and programming of flight guidance and flight control algorithms for automatic and autonomous flight
• Support in model building for flight dynamic processes and design of control and feedback control laws based on these models
• Preparation and execution of flight tests with UAS systems
• Analysis of flight data recordings as well as evaluation and processing of test results
• Generation of C/C++ code with Matlab Simulink and its integration into the FCS / autopilot framework
• Supporting the certification of our product family and obtaining flight permits, e.g. for BVLOS flight projects
• Collaboration in the further development of the product development process

What you bring to the team:

• You have completed a degree/apprenticeship in the field of aerospace engineering, mechanical engineering, automotive engineering, electrical engineering or robotics.
• You have theoretical knowledge in the field of flight mechanics and have mastered the basics of control engineering. You also have practical experience with model aircraft, multicopters and / or their subsystems.
• You have knowledge of programming with Matlab/Simulink. Fluent handling of the programming language C and Git is also desirable.
• You are privately interested in model aircraft construction, drones or robotics and can't wait to implement and try out new ideas.
• Due to your open, communicative, friendly and competent attitude, it is easy for you to be considered as an internal expert.
• You are highly self-motivated and drive your area of responsibility independently.
• Communication in English is a matter of course for you.
   

Why Quantum-Systems:

• We Stand with Ukraine!
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

About the Job

As Linux Software Engineer, you will be a key part of our System Architecture team to develop and maintain the Linux-based systems powering our unmanned aerial vehicles at Quantum-Systems. Together with our World-Class-Team, currently 3 team members, you will take an empowering role: pushing the boundaries of drone technologies.

You will be working closely with stakeholders from the Avionics, Systems Engineering, and Flight Testing departments to integrate hardware, third-party software, and onboard applications into a high-performance Linux platform.

Providing a reliable, scalable, and mission-critical software environment is essential to Quantum-Systems – your mission will have a powerful impact.

What is your Day to Day Mission:

• Maintaining existing as well as creating new Linux applications on the unmanned aircraft
• Designing and coordinating interfaces between teams, documenting the architecture and design decisions
• Integration of hardware and 3rd-party software into the Linux system, aligning with suppliers and other teams
• Testing of existing and new applications. This includes writing unit tests, integration tests, functional tests, and acceptance tests
• Analyzing logs from flights, both from test flights as well as real-world customer issues
• Debugging and finding solutions for software and hardware issues related to the Linux system
• Maintaining and extending the build system, pipeline, and tooling. Creating releases with release notes
• Working in an agile environment and following the defined development process

What you bring to the team:
 

• 3+ years of experience in Linux software development, preferably in embedded or robotics systems
• Strong proficiency in C/C++ (14 or newer) with proven experience developing Linux applications
• Understanding of Linux internals, including system services, device trees, and kernel modules
• Experience with cross-compilation, Yocto, Buildroot, or similar build systems
• Hands-on experience with debugging tools (e.g., GDB, strace, perf) and log analysis
• Familiarity with testing methodologies, including writing and executing unit, integration, and system-level tests
• Experience with CI/CD pipelines, version control systems (e.g., Git), and release management
• Strong problem-solving skills, with the ability to debug both software and hardware integration issues
• Proficiency in technical documentation, including interface definitions and architectural decisions
• Excellent communication and teamwork skills to work effectively across multiple engineering disciplines
• English Intermediate+

Nice to Have:

• Familiarity with middleware and interface standards such as DDS, MAVLink, CAN, or Ethernet
• Knowledge of containerization technologies (e.g., Docker) and virtualization
• Prior experience working in an Agile/Scrum development environment
• Exposure to real-time Linux or safety-critical software development is a plus

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.

• We promise to be your runway for individual and professional growth.

   

About us:

Quantum Systems specialises in the development, design, and production of small Unmanned Aerial Systems (sUAS). The company’s range of electric vertical take-off and landing (eVTOL) sUAS are built to maximize range and versatility and to provide operators with a seamless user experience. By integrating cutting-edge software capabilities, like edge computing and real-time AI-powered data processing, Quantum Systems is building next-generation UAS for clients in defence, security, public sectors.

As a Lead Embedded Software Engineer you are a key part of our Architecture team to develop and implement the core features and functionalities to have our drones operate safely and autonomously in the air.
 

Together with our world-class team, currently seven team members, you will take an empowering role: pushing the boundaries of drone technologies. You will be working closely with stakeholders in Germany and US from the System architecture and Hardware development departments.
 

This is a full-time office job. Candidates must be located in Kyiv.
 

What is your Day to Day Mission:

• Lead a team of embedded engineers
• Implementation, maintenance, and optimization of the Quantum-Systems autopilot firmware and firmware stack
• Design, Conception, implementation, and testing of new autopilot functionalities
• Export of flight control and navigation algorithms from Matlab / Simulink and integration into the autopilot’s embedded framework
• Implementation, maintenance, and optimization of BSP / peripheral and external sensor drivers and their optimized operation in the scope of the real-time operating system
• Building, documenting, and maintaining autopilot firmware for flight tests. Creation of flight test tickets, support of flight tests, and post-flight data analysis
• Creating unit tests, debugging/tracing of the code base for code coverage/functionality testing
• Maintenance of the firmware update eco system, including bootloaders & firmware updates
• Support in the implementation and maintenance of production tools

What you bring to the team:

• You have completed a degree in the field of bachelor’s or master’s degree in software engineering / electrical engineering and you have several years of experience working with embedded systems.
• You have a deep understanding of embedded systems and you are a senior in designing, implementing and optimizing embedded systems.
• You have strong knowledge of microcontrollers (ARM, Cortex-M), real-time operating systems and hardware and communication interfaces interfaces (UART, I2C, SPI, CAN, ETH ...)
• You are experienced with real-time operating systems like FreeRTOS or uCOS II and knowledge of multi-threading, task scheduling, and inter-task communication.
• You have the ability to bridge the gap between hardware and software, understanding the electrical and physical constraints, profound understanding of electronic schematics and efficiently utilizing available hardware resources
• You master version control and collaboration tools such as git and gitlab and you have experience in working in collaborative development environments with agile methodologies.
• You are highly self-motivated and drive your area of responsibility independently
• Due to your open, communicative, friendly, and competent attitude, it is easy for you to be considered as an internal expert

• English level at least B2

   

Why Quantum-Systems:

• We Stand with Ukraine!
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

As an Embedeed Software Quality Assurance Engineer, you will be an important part of our R&D team. You will be a member of our QA team, working in close collaboration with the development team to ensure that our software for high-tech drones meets the quality standards. 

You will design and execute verification strategies for low‑level firmware, device drivers, and flight control software,. You will own test design from requirements to automated, hardware‑in‑the‑loop (HIL) regression, ensuring reliability, determinism, and safety across release. 

This is a full-time office job. Candidates must be located in Kyiv.
 

What is your Day to Day Mission:

• Translate system and safety requirements into testable specifications, acceptance criteria, and traceability matrices for embedded components. 
• Design and implement automated tests for firmwares. 
• Build and maintain HIL test benches: orchestrate power supplies, oscilloscopes/logic analyzers, RF signal generators etc 
• Develop board bring‑up test suites covering bootloaders, secure boot, installation and upgrade and peripheral self‑tests. 
• Own regression pipelines: containerized runners, artifact retention, flaky‑test triage, trend reporting, and release quality gates. 
• Introduce fault‑injection and negative testing to validate fail‑safe behavior. 
• Collaborate with Embedded Development Team to isolate root causes with traces, logic captures, and on‑target debug  
• Review, challenge, and optimize existing test cases 
• Proactively extend the test scope in a structured way 
• Provide quality report for your area 
• Participate in project meetings and and provide necessary inputs 
• Contribute to Knowledge Base 

What you bring to the team:

• Bachelor’s degree in Electrical/Computer Engineering, Physics, or related field. 
• 3+ years testing embedded systems at the firmware/driver leve 
• Proficiency in C for test scaffolding on‑target and Python for orchestration (e.g., pytest, pytest‑bdd, asyncio) 
• Hands‑on with oscilloscopes, logic analyzers, protocol analyzers, and serial debuggers; ability to read schematics 
• Experience with Scrum 
• CI/CD for embedded (GitLab/GitHub Actions/Jenkins), build systems (CMake, Bazel, or Make), and artifact/version management. 
• Good knowledge of QA methodologies and testing processes 
• Experience with Test management Tools (TestRail, xRay, others) 
• Service and teamwork orientation 
• Strong communication and problem-solving abilities 
• Self-motivated, self-disciplined, and result-oriented 
• Strong attention to details and accuracy 

• English — Intermediate+ 

   

Why Quantum-Systems:

• We Stand with Ukraine!
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

DID Global is an international company specializing in providing premium-quality IP telephony services for both business and personal communication. We help our clients scale, optimize advertising budgets, and significantly increase sales.
 

Who We Are Looking For:

We are seeking an ambitious International Sales Manager who can successfully combine active B2B client acquisition with professional account management. You will work with international companies, develop accounts, build long-term relationships, and directly influence the company’s financial growth.
 

Key Responsibilities:

• Actively search for and attract new clients, expanding the contact base.
• Manage client accounts: identify client needs and provide optimal solutions.
• Build long-term partnerships and support clients at all stages of cooperation.
• Handle objections, consult clients on company services, and create tailored commercial proposals.
• Achieve sales goals and meet KPIs.
• Organize and manage your sales pipeline in CRM.
• Communicate via messengers, phone calls, emails, and specialized platforms.
   

Our Ideal Candidate:

• At least 2 years of experience in sales or proven experience in the VoIP industry.
• English proficiency at B2+ level (for international communication).
• Fluent in Ukrainian and Russian (required for client communication).
• Confident in using CRM systems and quick to adapt to new tools.
• Strong skills in negotiation, active listening, and objection handling.
• Goal-oriented, self-motivated, and proactive.
• Ambitious to grow professionally, with the potential to lead a team in the future.
   

What We Offer:

• A comfortable working environment with a strong focus on work-life balance, growth, and long-term collaboration.
• A stable working schedule: Monday—Friday, 10:00–19:00 (Kyiv time).
• Remote work format with the opportunity to be part of an international team.
• Official employment and company-paid medical insurance.
• Support for mental well-being: access to a corporate psychologist.
• Company-sponsored English courses.
• Opportunities for professional and career growth within an international company.
• Paid vacation.
• An active corporate life: internal events, team activities, and contests that foster engagement and team spirit.

Requirements:

• 1–3 years of commercial development experience;
• Strong knowledge of JavaScript and TypeScript;
• Experience with Node.js and/or Bun.js;
• Experience with Vue.js is preferred; React is also acceptable;
• Good understanding of full-stack web application development;
• Understanding of WebSockets and real-time communication;
• Experience working with PostgreSQL;
• Good understanding of asynchronous programming;
• Confident working with the Git version control system;
• Strong analytical and problem-solving skills;
• Intermediate level of English.

Would be a plus:

• Experience with modern backend architecture and API design;
• Experience working with ORMs or query builders;
• Familiarity with deployment, CI/CD, and cloud environments;
• Experience building scalable products or SaaS platforms.
• Experience using AI tools for coding to improve productivity;

Responsibilities:

• Develop and maintain full-stack product features with attention to quality and performance;
• Participate in end-to-end development, from idea to production;
• Build both backend and frontend parts of the application;
• Work with real-time features using WebSockets;
• Deliver features quickly and efficiently;

We are looking for a hands-on Team Lead of Sales who will be responsible not only for building and managing the sales function but also for actively generating leads, working with prospects, and closing deals.

This role combines strategic thinking, team leadership, and personal sales performance.

Currently, we work primarily with e-commerce projects, but our goal is to expand into other technologies and domains, so we are looking for a sales leader who can drive this growth across European and US markets.

Responsibilities

• Hands-on Sales & Lead Generation
• Actively generate leads through outbound channels (LinkedIn, email, partnerships, networking, etc.).
• Personally manage the full sales cycle: lead qualification, discovery calls, proposals, negotiations, and deal closing.
• Build and maintain a personal sales pipeline while managing the sales team.
• Test and validate new niches, markets, and service offerings.

Sales Strategy & Growth

• Develop and implement sales strategies to increase revenue across e-commerce and new technology domains.
• Expand and strengthen the company’s presence in EU and US markets.
• Define and improve pricing, packaging, and service/product models.
• Identify market trends, customer needs, and competitive opportunities.

Team Leadership

• Lead, mentor, and scale the sales team (recruitment, onboarding, coaching).
• Set clear KPIs for both personal and team performance.
• Support BDMs in deal strategy, negotiations, and closing.
• Build a strong, result-driven sales culture.

Sales Operations & Reporting

• Implement and optimize CRM systems and sales processes.
• Monitor sales metrics and prepare regular performance reports for company leadership.
• Introduce new tools, approaches, and technologies to improve sales efficiency.

Requirements

• Proven experience in a Team Lead / Head of Sales / Senior BDM role within an IT service company (outsourcing / outstaffing).
• Strong hands-on sales and lead generation experience with proven, measurable results.
• Experience working with European and/or US markets.
• Background in e-commerce projects and openness to working with new technologies and domains.
• Ability and willingness to combine management responsibilities with active sales work.
• Experience with multiple sales channels (outbound, inbound, partnerships).
• Deep knowledge of CRM systems and sales funnels.
• Strong understanding of pricing models, service offerings, and contract negotiations.
• Excellent communication, presentation, and negotiation skills.
• Fluent English (spoken and written).

We Offer:

• In-house tech talks & knowledge sharing;
• Flexible and negotiable working schedule;
• Remote work;
• Paid sick leaves, vacations, days off;
• Growth plan and bonuses for additional responsibilities/activities;