Jobs at Djinni

We are looking for a highly skilled and motivated Senior   BackEnd Developer
 with expertise in Python and experience in Redis, Django,
Kafka, AWS, Kubernetes, and FastAPI to join our team. In this role, you
will be responsible for designing, developing, and optimizing backend
services that drive our applications. You’ll work on high-performance,
scalable solutions that handle large volumes of data and complex workflows.
Collaborating closely with front-end developers, data engineers, and other
stakeholders, you will help deliver robust and secure services that meet
business objectives.

Key Responsibilities:

•  Design, implement, and optimize backend solutions using Python,
  Django, and FastAPI.
•  Manage data streaming and processing using Kafka and Redis.
• Deploy, monitor, and manage services on AWS, with containerization
  via Kubernetes.
• Ensure high performance, security, and scalability across backend
  systems.
• Troubleshoot and resolve issues, enhancing system reliability and
  performance.

• Collaborate with cross-functional teams to define, design, and deliver
  new features.

   

Requirements:
 

• Proven experience up to 5 years as a BackEnd Developer with
  expertise in Python.
• Fintech/Crypto/Trading Domain 
•  Hands-on experience with FastAPI,Django, Redis, Kafka, and AWS.
• Knowledge of containerization and orchestration using Kubernetes.
• Strong understanding of distributed systems, microservices
  architecture, and API design.
• Excellent problem-solving skills and attention to detail.

What we offer:

•  Remote
•  Flexible Working Hours
• Crypto-Based Compensation: Embrace the future of finance!
• Be Part of an Ambitious Project: Join us on the exciting journey of
  building a cutting-edge, game-changing project.
• Growth & Learning Opportunities: We are committed to your
  development.

Description:
We are looking for a motivated intern eager to grow their skills in web development and AI tools. You will work directly with our software developer, assisting with daily tasks and helping implement new features.

Responsibilities:

• Assist in the development and creation of a website using Zoho.
• Perform manual testing to identify errors and ensure code quality.
• Maintain and update technical documentation.
• Participate in ChatGPT-related tasks, such as prompting, integration, and automation.
• Support the development process by performing various technical tasks.
• Assist in building and improving retrieval-augmented generation (RAG) pipelines using embedding models and LLMs.
• Work with Python scripts and tools for API interaction, data processing, or automation tasks.
• Contribute to prompt engineering: designing, testing, and refining prompts for LLMs (ChatGPT, Qwen).
• Support workflow automation using tools like n8n, connecting APIs, databases, and AI models.

Requirements:

• Bachelor's degree (or final-year student) in computer science, IT, or related fields, or equivalent experience.
• Basic knowledge of HTML, CSS, JavaScript, and SQL.
• Knowledge of REST APIs and scripting languages (e.g., Deluge).
• Strong analytical and problem-solving skills.
• Attention to detail and ability to write high-quality code.
• Good communication and teamwork skills.
• English — Intermediate level (reading documentation and basic communication).
• Basic experience with Python for scripting, data manipulation, or automation.
• Familiarity with AI concepts, especially large language models (LLMs) such as GPT or Qwen.
• Understanding of embedding models, such as Sentence Transformers, and how they are used in semantic search or RAG pipelines.
• Experience with REST API integrations, including authentication and response parsing.
• Experience with low-code/no-code automation tools, such as n8n, is a plus.
• Curiosity and readiness to explore retrieval-augmented generation (RAG) systems and their application in real-world scenarios.
• Basic understanding of prompt engineering techniques to optimize interactions with LLMs.

What you will get:

• Annual salary review and adjustment.
• Accounting support.
• Training and development opportunities.
• Up to 6 additional days for training or personal development.
• One social day dedicated to community or environmental initiatives.
• Paid vacation (20 working days).
• 5 paid sick leave days.
• Flexible 6-hour working day.
• A friendly team open to ideas, experimentation, and growth.

If you are passionate about technology and artificial intelligence and eager to gain practical experience, we look forward to your application.

To apply:
Go to the Careers section on our company website.

Requirements :

• Confident PC user (Windows)
• Basic English
• Extensive internet research skills
• Creative problem-solving and analysis skills
• Team player with good interpersonal and solution-oriented attitude
• Readiness to work in shifts (mandatory)
• Stress-resistance
• Ice Hockey knowledge is very beneficial, actual hockey playing skills are not required
• Video gaming experience also useful

Job Responsibilities

• Analyze ice-hockey games and record key events as they occur such as successful pass, penetration of offensive zone, faceoff win, etc. (40+ total event types)
• Watch hockey game videos and provide inputs on all the important events.
• Check the quality of content and do an analysis of quality data
• Work on various data tools and generate information by doing online research
• Provide inputs/content with high quality
• Ability to identify and verify source authenticity
• Solve complex problems in time-bound and effective manner
• Ability to analyze data by doing secondary research

Department/Project Description

Our client is leading supplier of sports analytics to its clients. Using cutting edge Computer Vision and AI/ML technologies, the company provides outstanding real-time sports performance analysis. As an analyst you will be responsible for providing quality statistics for ice hockey games using client's proprietory tools.

About the job

As a Senior Back-end Engineer, you will contribute to the development of our cutting-edge Gambling and Casino Platform, architecting secure, scalable services that ensure real-time transaction processing, high traffic reliability, and seamless third-party integrations. Your focus will be on optimizing performance, enforcing compliance, and building resilient APIs and algorithms to power critical features like odds calculation, payments, and user authentication.

Collaborating with cross-functional teams, you will drive the platform’s technical backbone, ensuring uptime and efficiency for global users. Your work will set industry standards through innovative back-end solutions, rigorous testing, and a commitment to maintaining mission-critical system integrity.

Responsibilities:

• Design, develop, and maintain backend services for our Gambling and Casino platform.
• Optimize and scale PostgreSQL databases for high performance and reliability.
• Collaborate with the engineering team and other stakeholders to deliver seamless integrations and new features.
• Write clean, maintainable, and well-documented code following best practices.
• Troubleshoot and debug issues, ensuring the stability and performance of the system.
• Participate in code reviews and contribute to ongoing technical growth and improvement.
• Stay up-to-date with industry trends and technologies to continuously improve our product.
  
   

Requirements & Skills
Experience

• 5+ years of experience in software development with JavaScript/TypeScript and Node.js, preferably for complex high-load web applications in iGaming or Fintech domains.
  
   

Technical Skills

• Proficiency in JavaScript/TypeScript.
• Expertise in Node.js, Nest.js, TypeORM, PostgreSQL, and Redis.
• Understanding of SQL and NoSQL database architecture, optimization, and management.
• Experience with real-time communication technologies (e.g., WebSockets).
• Experience writing and executing tests, including unit, integration, and failure tests.
• Understanding of RESTful APIs, microservices architecture, and event-driven systems.
• Knowledge of Docker, Kubernetes, and the concepts and benefits of CI/CD processes.
• Understanding of SOLID, GRASP, CQRS principles, GoF design patterns, and DDD concepts.
• Knowledge of Event Sourcing, including events, aggregates, projections, and event streams.
• Knowledge of traditional monolithic architectures, microservices architecture, and hexagonal architecture's emphasis on separation of concerns.
• Understanding and practice of Agile development methodology and its Scrum and Kanban frameworks.
  
   

Our recruitment process typically follows these stages: 

• Application screening
• Interview Stages (2-3 weeks):
• Job Offer
• Referrals: Employment and Background Check

Job Summary

We are an innovative startup building a cutting-edge, secure, and responsible CS2/CS:GO Skin Gambling and Casino Platform. We're passionate about creating a thrilling, fair, and compliant entertainment experience for gamers. As we transition from development to launch, we require a versatile and driven Product Operations Manager to bridge the gap between building the product and successfully bringing it to market.

This unique role combines the critical disciplines of Product Operations and Product Marketing for our brand-new platform. You will play a crucial role in establishing the operational backbone during development, ensuring a seamless and high-performing launch, as well as ongoing growth. You'll own the processes, tools, and cross-functional coordination needed to build, launch, run, and market the platform effectively, with a strong emphasis on compliance and user safety.

Experience

• 3+ years of experience in Product Operations, Operations Management, or a combined Product Ops/Product Marketing role, preferably within a high-growth tech startup in the iGaming/Gambling industry.
• Direct experience and expertise in the online gambling, iGaming, and CS2/CS:GO skin trading/gambling ecosystem is a must.
• Proven experience building and scaling operational processes and systems from the ground up.
  
   

Technical Skills

• Exceptional project management, organizational, and cross-functional collaboration skills (Engineering, Product, Design, Legal, Marketing, Support).
• Excellent knowledge of the entire lifecycle of a product, from ideation to market launch and beyond.
• Strong understanding of digital marketing principles, user acquisition channels, and lifecycle marketing.
• Experience with Jira, Confluence, Google Workspace, CMS, HRM, and CRM software.
• Familiarity with SDLC.
• Knowledge of project management methodologies (Scrum, Agile, Kanban).
  
   

Soft Skills

• Passion for gaming, esports, and/or the CS2/CS:GO community.
• Strong coordination, organizational, and problem-solving skills.
• Attention to detail, fast learner, strong analytical skills, and high responsibility.
• Ability to work with multiple teams and stakeholders simultaneously.
• Ability to work in a fast-paced environment and solve problems quickly and effectively.
• Systems thinking and the ability to navigate between portfolio, project, and team-level processes.
• Understanding of business communication and professional ethics.
  
   

Languages

• Good command of English (both written and spoken).
• Ukrainian/Russian is a must.
   

It will be Your Advantage (Nice to Have)

• Previous experience working in start-up environments with rapid iteration cycles.
• Proven experience in growing a start-up project toward a market leader position.
• Experience developing and executing GTM strategies for new products or features.
  
   

Key Responsibilities

• Contribute to product mechanics and design with proven, market-tested enhancements.
• Structure effective partnerships with traffic acquisition partners.
• Partner with engineering, design, and marketing teams and product leadership across the unit to ensure seamless operations and accurate data.
• Create and maintain operational documents, spreadsheets, and dashboards to support data-driven decision-making and informed business decisions.
• Collect and analyze team feedback to improve internal processes and services.
• Support process improvements and workflow optimization.

We are looking for experienced Salesforce Solution Architects (a few experts) to join our team on a part-time basis (10+ hours/week). This role is ideal for a senior expert who wants to stay hands-on with Salesforce implementations while contributing strategically to architecture, integration, and delivery excellence across complex ecosystems.

We’re specifically seeking professionals with deep expertise in one or more of the following areas: Data Cloud, Spiff, Revenue Cloud Advanced, CPQ, Mulesoft, Mulesoft IDP, Agentforce, Commerce Cloud, Marketing Cloud Growth, Certinia, Informatica. 

You do not need to have experience in all listed technologies — we value specialized knowledge and are assembling a team of architects with complementary areas of expertise.

Key Responsibilities

• Gather and analyze client requirements
• Lead discovery and estimation phases of Salesforce projects
• Define scalable, secure, and extensible solution architectures
• Drive platform alignment across multiple Salesforce clouds
• Design integration solutions using Mulesoft and related technologies
• Oversee and support custom development efforts
• Present solutions, lead MVP and POC delivery
• Provide technical leadership during project initiation and execution
• Support pre-sales efforts through solutioning and proposal input
• Offer best practice advisory and technology governance
• Develop and deliver training for client and internal teams
• Plan and supervise data migration activities
• Coach internal team members and conduct technical interviews
• Run specialized training programs related to assigned technologies

Requirements

- 7+ years in the Salesforce ecosystem, with 4+ years of hands-on experience in one or several key fields (Data Cloud, Spiff, Revenue Cloud Advanced, CPQ, Mulesoft, Mulesoft IDP, Agentforce, Commerce Cloud, Marketing Cloud Growth, Certinia, Informatica)

- Proven experience delivering enterprise-grade solutions

- Strong portfolio or relevant project references

- Architect-level Salesforce certifications (preferred)

- Familiarity with version control and DevOps tools (e.g., Git, Copado, Gearset)

- Agile/Scrum delivery experience

- Experience with multi-cloud Salesforce implementations

Soft Skills & Work Environment

- Excellent written and verbal English communication

- Ability to explain technical topics to non-technical stakeholders

- Proactive communication and strong team collaboration

- Comfortable working in distributed, multicultural environments

- Availability for daily standups, sprint planning, and retrospectives

- Minimum 2 hours/day overlap with EET time zone

Join us to architect modern, future-proof Salesforce solutions while maintaining a flexible, part-time schedule with a high-impact team!

Overview 

Come join us as we scale our retail and commerce loyalty platform! PAR Retail is looking for a Senior NodeJS engineer on its expanding product engineering team as we build and grow our Open Commerce enterprise software-as-a-service platform. 

Open Commerce is a technology suite that enables marketing professionals in the fuel & convenience industry to create real-time, hyper-personalized offers and customer interactions across a variety of channels (mobile, web, SMS, and in-person) to drive customer behavior toward a desired goal. 

Our technology bridges financial payment providers, retail fuel pump technology, and customer experience by wrapping low-level standards-compliant integrations with powerful software abstractions on an ultra-modern software platform. Our platform services and applications are built using a broad swath of technologies (Typescript, NodeJS, Ruby, React, and others), interconnected via GraphQL and RabbitMQ, and run in AWS using Terraform, Helm and Kubernetes (via EKS). 

PAR Retail has its headquarters in Philadelphia, Pennsylvania (USA) and leverages a diverse distributed product engineering and operations team across the United States and Ukraine. PAR Retail offers highly competitive compensation and benefits, as well as an engineering-friendly and product-centric culture. On PAR Retail’s Open Commerce team, we embrace a deeply collaborative software product development process where engineering, design, and product collaborate to shape and ship new functionality. 

Successful candidates will enjoy PAR Retail’s friendly and flexible culture, and embrace our relentless drive to excellence and goal of providing the #1 retail marketing platform in the fuel & convenience industry and beyond. 

Responsibilities 

• Working with the team, design and implement new functionality based on product objectives and requirements. 
• Work with the broader product engineering team to plan and coordinate feature and functionality improvements, as well as resolve bugs and execute technical enhancements, that cross-cut large parts of our platform. 
• Work to continually learn, improve technology skills, expand knowledge of the Open Commerce platform technologies, and gain increasing versatility across the breadth of our platform systems. 
• Expand APIs and business logic, and as needed write or revise customer-facing API documentation. 
• Work with our infrastructure team to enable and enhance highly-available, performant, and well-instrumented backend applications and services that run in our customer environments at substantial scale. 

• Support operations and infrastructure teams for issue resolution on relevant Open Commerce applications or services running in production environments. 

   

Qualifications 

• Practical experience building systems in Node.js 
• At least 5 years industry experience or equivalent 
• Experience building and maintaining backend APIs, including design, implementation, evolution, and maintenance 
• Familiarity with TypeScript, or similar modern strongly-typed language 
• Proficiency using both relational and non-relational database technologies 
• Strong understanding and familiarity with CI/CD pipelines and automated testing 
• Basic knowledge Docker and Kubernetes 
• Familiarity with OAuth and JWT 
• Some experience with front-end JS technologies, esp. React or Angular 
• An ability to work in service-based architectures 
• Highly independent and able to effectively self-organize and prioritize work 
• The ability to write clean code, and the discipline to write effective automated unit tests in order to deliver high-quality system improvements 
• An ability to effectively break down larger bodies of work for delivery as a series of small, self-contained changes to the system 
• Excellent spoken and written communication skills 

• BS/MS degree in Computer Science, Engineering, or equivalent years of professional working experience 

   

Bonus Points 

• Experience with Nest.js and/or GraphQL 
• Experience with Ruby on Rails 
• Experience with AWS 
• Experience working in distributed teams 

• Experience in the retail and/or fuel & convenience industries 

   

PAR Retail Offers:

- Long-term employment;

- Competitive compensation with regular performance-based salary and career development reviews;

- Paid vacations and sick leaves;

- Health insurance program;

- Flexible working hours;

- Sponsored company educational program, corporate library;

- Comfortable and cozy office;

- Funny celebrations, team outings, and company events;

- A unique and friendly environment where everyone can explore and learn new technologies.

The full production cycle IT company specializes in the development of software products/services in the field of information technologies. The company’s team is working on creating a Digital Assets Trading Infrastructure that allows companies and traders to interact in the cryptocurrency market.

We are looking for a Middle Java Developer to join our team. You will help build a scalable realtime platform using Java, Spring Boot, and modern messaging technologies.

Responsibilities:

• Design, develop, and maintain non-critical microservices;
• Work with real-time public data streams for exchange operations;
• Build and optimize a notification management system;Implement robust and maintainable Spring Boot/Hibernate/REST API services;
• Ensure efficient message broker integration (Kafka, RabbitMQ);
• Optimize SQL-based data access and service performance;
• Continuously improve system performance, codebase maintainability, and development processes.

Requirements:

• 4+ years of experience in software development;
• Proficiency in Java 18+ and modern Java features;
• Hands-on experience with relational databases and SQL, particularly PostgreSQL;
• Hands-on experience with message brokers (Kafka, RabbitMQ);
• Knowledge of Spring Boot, Hibernate, REST APIs;
• Knowledge of computer science fundamentals (algorithms, data structures).

Would be a plus:

• Experience with streaming technologies (Apache Flink, Hazelcast Jet).
• Experience with AWS Cloud services.

What will you do in the first 90 days?

• Implement Exchange Public Data Realtime Stream Processing
• Develop a Notification Management System

Company offers

• ‍Care from Day One — medical insurance immediately upon starting work, including dental care, massage and professional psychological support because your well-being matters
• Work-Life Balance — 24 days of paid vacation + 30 days of sick leave, so you can recover without unnecessary stress
• Investment in your energy — partial reimbursement for any sports activities that empowers you.
• Growth — partial coverage for English or Ukrainian language courses + a fixed budget for professional development. Choose what suits you best!
• Knowledge Library — books in the office and access to the Kuka online library to learn, grow, and find inspiration.
• Island Relaxation 14 days a year — enjoy a getaway at the corporate villa in Cyprus.

Join the Pine Software team, where your talents and aspirations will be recognized! We offer a dynamic work environment, opportunities for professional growth, and support at every step of your career path. Start your journey to success with us—apply today and take the first step towards your bright future!

Pine Software is an equal opportunity employer. We encourage applications from candidates of all backgrounds and experiences. Please note, that only shortlisted candidates will be contacted. Thank you for considering Pine Software as your next career move!

Gypsy is looking for a Senior Data Science — a seeker of patterns, a builder of meaning, and a navigator through metrics, models, and signals.

🧭 What makes you a great match

• 5+ years of experience working with large datasets and building complex models;
• Python experience: 3+ years. Use of libraries for analysis and modeling: pandas, numpy, scikit-learn, statsmodels;
• SQL experience: 3+ years. Working with relational databases: PostgreSQL, BigQuery;
• Tableau/Superset: 2+ years of experience. Visualization optimization for large datasets;
• Git: Confident user. Code and data version control, conflict resolution, pull requests;

• Experience in the iGaming environment.

   

📋 Your daily adventures

• Creating and validating hypotheses based on data;
• Using statistical methods to identify patterns;
• Building and optimizing predictive models (Machine Learning, regression, clustering);
• Analyzing changes in key metrics and identifying their causes;
• Developing logic for distinguishing VIP and regular players;
• Designing models for analyzing player activity and player retention;
• Continuously improving data collection, processing, and analysis workflows;
• Developing and maintaining Python scripts to automate processes;
• Ensuring data quality and troubleshooting processing errors.

🏆 Preferred Qualifications

• Experience with A/B testing tools;
• Experience with BigQuery or other analytical DWHs.

Benefits:

💸 Flexible payment options: choose the method that works best for you;

🧾 Tax assistance included: we handle part of your taxes and provide guidance on the local setup;

🎁 Financial perks: Bonuses for holidays, B-day, work milestones and more — just to show we care;

📈 Learn & grow: We cover courses and certifications — and offer real opportunities to grow your career with us;

🥐 Benefit Сafeteria: Choose what suits you — sports, language courses, therapy sessions, and more;

🎉 Stay connected: From team-building events to industry conferences — we bring people together online, offline, and on stage;

💻 Modern Equipment: We provide new laptops along with essential peripherals like monitors and headphones for a comfortable workflow;

🕘 Your schedule, your rules: Start your day at 9, 10, or even 11 — we care about results, not clock-ins.

🌎 Akvelon is a known USA company, with offices in places like Seattle, Mexico, Ukraine, Poland, and Serbia. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to the client’s needs and processes.

We are looking for a Senior Machine Learning Scientist / Engineer with a strong research and engineering background in Natural Language Processing and Large Language Models (LLMs) to lead the development of advanced reasoning and summarization systems. You will drive cutting-edge innovation in multi-document understanding, reasoning LLMs, and model alignment techniques, working on greenfield challenges with meaningful, real-world applications.

Requirements:

• Substantial research experience in Reasoning LLMs, Chain of thought, Post training LLMs, RLHF, LLM Alignment, NLP areas
• Hands-on experience with training or fine‑tuning open‑source reasoning LLMs
• Deep expertise in NLP and LLM architectures
• Proven ability to design and run independent research and experimentation
• Strong Python and modern ML tooling skills
• Excellent written and verbal communication
• Ability to work autonomously

Nice to have:

• Applied research experience in Financial (Investing) domain
• PhD in Machine Learning, NLP, Computer Science, or a related field
• Applied research experience in industry
• Contributions to notable open‑source LLM projects (datasets, libraries)
• Publications and/or original research in the area
• GCP experience is strongly preferred

Overlap: up to 2PM EST (8PM CET)

Working conditions and benefits:

• Paid vacation, sick leave (without sickness list)
• Official state holidays — 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Flexible working schedule: 8 hours per day, 40 hours per week
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meets the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes

International rapidly growing product IT company StellarTech is looking for a Senior Python Developer.

Responsibilities:

• Develop backend applications from scratch for StellarTech Platform.
• Working with internal stakeholders' expectations/requirements, actively contributing to platform features discussions.
• Participation in the architecture decision-making process.
• Ensure the performance, quality, and stability of the platform.
• Troubleshoot and debug issues.
  
   

Requirements:

• 5+ years of working experience as a Backend Developer, 2+ years of experience with Python.
• Understanding of the existing Python ecosystem.
• Experience with data-intensive/high-load application development.
• Deep understanding of relational/NoSQL database technologies.
• Experience with CI/CD tools (we use GitHub Actions).
• Understanding of message queues/message brokers working principles.
• Practical experience with services/microservices architecture and event-based systems.
• Vast experience in integration with external platforms and services
• Ability to use tools and approaches that speed up development (co-pilot, etc.)
   

Nice to have:

• Understanding of cloud services (we use AWS) and cloud concepts.
• Experience with Kubernetes.
• Experience in marktech, fintech companies is a plus
• Analytical vision and ability to consider future perspectives in service design

Why You'll Love Working With Us:

• Impactful Work: Your contributions will directly shape the future of our company.
• Innovative Environment: We're all about trying new things and pushing the envelope in EdTech.
• Freedom: flexible role based either remotely or hybrid from one of our offices in Cyprus, Poland.
• Health: we offer Health Insurance package for hybrid mode (Cyprus, Poland) and health corner in the Cyprus office.
• AI solutions — GPT Chat bot/ Chat GPT subscription and other tools.
• Wealth: we offer a competitive salary.
• Balance: flexible paid time off, you get 21 days of annual leave + 10 bank holidays.
• Collaborative Culture: Work alongside passionate professionals who are as driven as you are.

Join us to drive an exciting transformation in mobile engineering! As a Senior Mobile React Native Engineer, you will start as part of our centralized mobile team, building and maintaining two React Native apps for the European and U.S. markets. You will collaborate closely with domain experts across the organization to deliver high-quality, mobile-native solutions.

We are moving towards a distributed team model, where each product team will have a dedicated mobile developer responsible for building native views within their domain. This shift will reduce bottlenecks, enhance domain expertise, and accelerate mobile-first feature development.

Must-Have Skills & Technologies:

• Experience: Minimum 6+ years as a Software Engineer, including 4+ years of hands-on experience with React Native.
• Technical Stack: React Native, React Hooks, Redux, Nx (or similar tools), TypeScript.
• App Lifecycle: Integration, testing, code signing, deployment via app stores, CI/CD pipelines (GitLab, Fastlane, Expo EAS).
• API Knowledge: RESTful APIs, GraphQL, third-party SDKs integration.
• Monitoring & Debugging: Datadog, Firebase Crashlytics.
• Security Practices: OAuth, JWT, encryption, data privacy compliance.
• Native Module Management: iOS/Android native modules for seamless React Native interaction.
• Testing: Unit testing (Jest, Enzyme), familiarity with E2E testing (Detox, Maestro).
• Design Systems: Experience with Storybook for consistent UI components.
• Soft Skills: Strong analytical and communication skills in English.

Responsibilities:

• Develop and maintain React Native apps.
• Collaborate with domain experts to build high-quality mobile solutions.
• Initially work in a centralized mobile team, developing a strong understanding of the mobile ecosystem.
• Transition into domain-specific teams to work on product-specific mobile features.
• Participate in a Mobile Guild to ensure knowledge sharing and best practices across teams.
• Contribute to developing new tools, including GraphQL/BFF layers and CI/CD pipelines.
• Ensure mobile security, performance monitoring, and debugging for production apps.

Nice-to-Have Skills: 

• End-to-End (E2E) Testing: Hands-on experience with Detox or Maestro.
• Mobile Performance Optimization: Experience with performance profiling and optimization techniques.
• Additional Mobile Security: Experience with biometric authentication, secure storage solutions.
• DevOps & Automation: Experience improving CI/CD workflows beyond basic deployment.
• Mobile Accessibility: Knowledge of accessibility best practices for mobile applications.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Delasport — Implementing Technological Solutions Here and Now.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.

The DBA team manages database availability, security, and performance, ensuring data integrity and efficient access. They handle backups and user permissions while providing proactive support.

RESPONSIBILITIES

• Develop and maintain database systems to ensure high availability and tailored performance for each user’s unique needs
• Design databases that effectively address end-user information requirements
• Manage user permissions and facilitate precise data distribution to ensure the right data reaches the right people, in the right format, at the right time
• Utilize high-speed transaction recovery and robust backup procedures to safeguard data
• Proactively reduce database downtime and fine-tune parameters for optimal query performance
• Provide both proactive and responsive support for seamless data management
• Define, uphold, and document database policies, procedures, and best practices
• Conduct regular tests and evaluations to uphold data security, privacy, and integrity
• Monitor database performance continuously, making necessary changes and applying new patches and updates when needed

REQUIREMENTS

• Demonstrated experience in database administration, IT, database architecture, or a similar field
• Expertise in PostgreSQL
• Practical experience with database standards and end-user applications
• Strong knowledge of data backup, recovery, security, integrity, and SQL or NoSQL engines
• Familiarity with GNU/Linux server environments
• Skilled in database design and documentation
• Previous experience using DBA case tools (both frontend and backend) and third-party tools
• Background in replication and load balancing technologies
• Basic familiarity with programming languages
• Excellent problem-solving skills and the ability to think algorithmically
• BS degree in computer science or a related field, or relevant certification

NICE TO HAVE

• Proficiency in MySQL
• Knowledge of cloud platforms like GCP and AWS
• Familiarity with version control systems, including GitHub, Bitbucket, etc.

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health insurance with the broker, which is available from the first month of cooperation
• Life insurance with the broker, which is available from the first month of cooperation
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

Hello, fellow data engineers! We are Stellartech - an educational technology product company, and we believe in inspiration but heavily rely on data. And we are looking for a true pipeline detective and zombie process hunter!

Why? Because we trust our Data Platform for daily business decisions. From “What ad platform presents us faster? Which creative media presents our value to customers in the most touching way?” to “What would our customers like to learn the most about? What can make education more enjoyable?”, we rely on numbers, metrics and stuff. But as we are open and curious, there’s a lot to collect and measure! That’s why we need to extend, improve and speed up our data platform.

That’s why we need you to:

• Build and maintain scalable data pipelines using Python and Airflow to provide data ingestion, transformation, and delivery.
• Develop and optimize ETL/ELT workflows to ensure data quality, reliability, and performance.
• Bring your vision and opinion to define data requirements and shape solutions to business needs.
• Smartly monitor, relentlessly troubleshoot, and bravely resolve issues in data workflows, striving for high availability and fault tolerance.
• Propose, advocate, and implement best practices for data storage and querying using AWS services such as S3 and Athena.
• Document data workflows and processes, ensuring you don’t have to say it twice and have time for creative experiments. Sure, it’s about clarity and maintainability across the team as well.

For that, we suppose you’d be keen on

• AWS services such as S3, Kinesis, Athena, and others.
• dbt and Airflow for data pipeline and workflow management.
• Application of data architecture, ETL/ELT processes, and data modeling.
• Advanced SQL and Python programming.
• Monitoring tools and practices to ensure data pipeline reliability.
• CI/CD pipelines and DevOps practices for data platforms.
• Monitoring and optimizing platform performance at scale.

Will be nice to 

• Understand cloud services (we use AWS), advances, trade-offs, and perspectives.
• Keep in mind the analytical approach and the ability to consider future perspectives in system design in daily practice and technical decisions

Why You'll Love Working With Us:

• Impactful Work: Your contributions will directly shape the future of our company.
• Innovative Environment: We're all about trying new things and pushing the envelope in EdTech.
• Freedom: flexible role based either remotely or hybrid from one of our offices in Cyprus, Poland.
• Health: we offer Health Insurance package for hybrid mode (Cyprus, Poland) and health corner in the Cyprus office.
• AI solutions — GPT Chat bot/ Chat GPT subscription and other tools.
• Wealth: we offer a competitive salary.
• Balance: flexible paid time off, you get 21 days of annual leave + 10 bank holidays.
• Collaborative Culture: Work alongside passionate professionals who are as driven as you are.

For 15 years, Alty has reached the top lists of mobile and desktop application developers for fintech, retail, banking, and tourism. Our professional expertise in UI/UX design, mobile, and web development of high-load applications used by millions of users worldwide. You know us for sure if you use Monobank, Privat24 for Business, ZakazUA, EasyPay, Kashable, or Sfera Living System. We also have a partnership with Visa and Mastercard. Our clients are enterprises and corporations that recommend us to partners. We put the customer at the heart of all we do and achieve our best together. Join us!
 

What you need for this role:

— Proven experience in B2B marketing (experience in finance, crypto, or gambling sectors is preferred).

— Demonstrated ability to execute marketing strategies.
— Hands-on experience running successful marketing campaigns using a variety of tools and approaches.
— A track record of increasing lead generation (MQLs, SQLs).
— Familiarity with AI tools and their implementation in marketing.

— Experience in planning and managing marketing budgets.
— Excellent communication and interpersonal skills.
— Strong strategic thinking and results-oriented mindset.
— Upper-Intermediate level of English or higher.
 

What you will do:

— Develop and implement a comprehensive marketing strategy, in collaboration with external consultants.
— Execute marketing and go-to-market initiatives.

— Coordinate efforts with marketing agencies, internal stakeholders, and cross-functional teams to align with company goals.
— Leverage a range of marketing tools and tactics to drive strategic objectives.

— Drive the implementation and optimization of AI-driven marketing solutions.
— Manage and monitor marketing budgets effectively.

What we offer for you to succeed:

— Warm and friendly working environment with flexible start (from 8:00 to 11:00) based on personal preferences and team meetings.

— We put a healthy work-life balance first.

— Caring for physical and mental health.

— Speaking Club and English with a teacher.

— Decent compensation, taking into account inflation and taxes.

— Volunteer projects that help the state get closer to victory.

— Ability to work from one of our offices in Kyiv or Lisbon. And you are more than welcome to bring your pets to the office.

— A space to grow both professionally and personally. A wide variety of exciting projects, the best hardware for your work, regular performance reviews, educational workshops, and team coaching.

— No tiresome bureaucracy. If you need something — just ask and get it.
 

Our employees describe working here as a welcoming, collaborative, and impactful experience. If you are a creative and energetic person, we cannot wait to see you on board!