Jobs at Djinni

Responsibilities:

• Own and support core ML infrastructure (MLflow, CVAT, GPU/CPU cloud instances, internal data tools).
• Assist Data Engineers with deploying and maintaining data pipelines.
• Act as the primary contact for ML and Data teams on infra-related requests.
• Improve reliability and efficiency by adding automation, monitoring, and tooling enhancements.
   

Must have:

• Knowledge of Python, Terraform, Docker, Linux.
• Hands-on experience with cloud environments (Azure prefered).
• Understanding of the end-to-end ML lifecycle (data → training → evaluation → deployment → monitoring).

Nice to have:

• Familiarity with Kubernetes.
• Experience with FFmpeg or GStreamer for video processing and streaming.
• Experience with model serving frameworks and inference formats (ONNX, TensorRT, OpenVINO, NVIDIA Triton).
• Experience deploying computer vision models, especially to edge/embedded devices (NVIDIA Jetson, Intel platforms, Raspberry Pi).

• Надаємо бронювання від мобілізації

We are looking for a motivated and eager-to-learn Trainee .NET Cloud Engineer (Azure) to join our engineering team in Lviv. This is an excellent opportunity to gain hands-on experience working alongside experienced engineers to develop, deploy, and maintain cloud-based applications and services using .NET and Microsoft Azure.
 

Our client is one of the world’s leading providers of elevators, escalators, and moving walkways, as well as maintenance and modernization services. The company operates in more than 100 countries and has manufacturing facilities and R&D centers across the United States, Brazil, Europe, China, and India. Millions of people use its products every day.
 

As part of this project, you’ll contribute to the development of a next-generation elevator control system that enhances the user experience. The solution enables smartphone-based elevator calls, remote operation, and autonomous robot access, helping shape the future of smart building mobility.

Requirements
 

• Programming Fundamentals: Familiarity with programming concepts and .NET technologies (e.g., C#).
• Azure Fundamentals: Basic understanding of core Azure services, such as Azure App Services, Azure Functions, and Azure SQL Database.
• Databases: Basic understanding of databases and SQL.
• Version Control: Awareness of version control systems (e.g., Git) or a strong willingness to learn them.
• Problem-Solving Skills: Enthusiasm for solving technical problems and troubleshooting in a collaborative environment.
• Communication Skills: Good verbal and written communication skills with a team-oriented mindset.
• Learning Mindset: Strong motivation to learn new technologies and continuously improve technical skills.

Preferred Qualifications:

• Experience: Some software development experience, especially with .NET technologies (C#, etc.).
• Education: Enrollment in or completion of a degree in Computer Science, Engineering, or a related field.
• DevOps Basics: Willingness to explore DevOps tools such as Azure DevOps and CI/CD pipelines.

• Cloud Security Awareness: Basic understanding of, or eagerness to learn about, cloud security best practices, including identity management and compliance.

   

Job responsibilities
 

• Assist in learning and contributing to the design, development, and deployment of cloud-based applications and services using .NET Core and Microsoft Azure under the guidance of senior team members.
• Support the team in integrating Azure services such as Azure App Services, Azure Functions, Azure SQL Database, and Azure Storage into applications while gaining hands-on experience.
• Write basic, maintainable code using .NET technologies with mentorship, following industry best practices and team guidelines.
• Participate in testing, debugging, and troubleshooting cloud applications to ensure performance and reliability while learning effective problem-solving strategies.
• Work closely with cross-functional team members.
• Assist in creating and maintaining technical documentation for cloud architecture, configurations, and development processes as part of your learning experience.
• Actively learn about the latest cloud technologies, especially Azure services, and cloud development best practices to build technical expertise.

About the role:
We're looking for an experienced engineer to design and build enterprise knowledge graphs and semantic data layers. You'll work at the intersection of data architecture, AI, and business domains — formalizing business knowledge into machine-readable models.

Responsibilities:

• Design, develop, and implement enterprise-grade knowledge graphs
• Build semantic layers that establish shared business understanding across enterprise systems
• Model business entities, relationships, taxonomies, ontologies, and controlled vocabularies
• Create semantic data products for AI applications, analytics platforms, and business users
• Design enterprise metadata models and integrate them with data catalogues
• Connect structured and unstructured enterprise data within a unified semantic model
• Maintain governance, lineage, metadata quality, and semantic consistency

Requirements:

• Hands-on experience designing and implementing knowledge graphs
• Semantic technologies: RDF, OWL, SKOS, SPARQL
• Graph databases: Neo4j, Amazon Neptune, Stardog, GraphDB, or equivalent
• Enterprise metadata management & data catalogue platforms
• Experience developing ontologies, taxonomies, and controlled vocabularies
• Strong enterprise data architecture and data modelling knowledge
• Advanced SQL and multi-system data integration
• Cloud platforms: Azure, AWS, or GCP

Nice to have:

• Semantic or enterprise search solutions
• Master Data Management (MDM)
• Data Mesh / Data Product concepts
• Enterprise data governance frameworks
• AI agents, GenAI, or RAG architectures

We are looking for a proactive Middle Business Development Manager who is ready to drive client acquisition, build long-term partnerships, and support the company’s growth in the eCommerce domain. If you are confident in lead generation, negotiations, and closing deals — we’d love to meet you.

Responsibilities:

• Customer acquisition;
• Participation in the process of systemic lead generation and sales activities of the company;
• Support and processing on new and existing sales channels and sales sources;
• Participation in the process of pre-sales and sales activities;
• Lead validation, requirements gathering Clarification of the client’s requirements (problems) and conducting sales activities (closing deals);
• Conclusion of transactions and support of the process of entering the project/client;
• Creation of commercial offers;
• Account management out upselling and cross-selling events for new and existing company clients;

• Work on a clear track of Sales plans , sales metrix and KPIs: leads worked, calls, offers, offer value sent, deals won, new clients, revenue. 

   

Requirements:

• 3+ years of experience in IT sales;
• Proven experience in closing deals with the ability to present;
• Proven technology knowledge (service, service lines, product);
• High level of English (Upper-intermediate);
• Experience in closing deals on outsourcing and outstaffing models;
• Experience in selling projects/solutions of web development and eCommerce;
• Experience in selling solutions for eCommerce (web, mobile);
• Experience with B2B and B2C segments.
• The presence of closed deals from at least 3 different sales channels (with the ability to demonstrate results).

Will Be a Plus:

• Successful experience of sales activities in a particular region or country;
• Experience in selling solutions and services based on CMS Magento, WordPress;
• Successful sales experience in several channels;
• The ability to design and implement a sales funnel using various sales tools.

We Offer:

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

We are seeking a Firmware Engineer to contribute to the design and development of embedded firmware for our advanced DC/DC power conversion ICs.
In this role, you will create control firmware for a family of MCU-based digital power
controllers for various DC/DC power supply topologies. This will enable real-time control,
configuration, and communication with external systems through serial protocols such as
I2C, PMBus and UART.
If you have a strong foundation in embedded systems programming and are eager to learn
and grow your skills, we’d love to hear from you!

Responsibilities:
As part of this role, you will:
— Write and test embedded firmware for power IC applications using C.
— Implement real-time control and configuration firmware for embedded systems.
— Interface with serial communication protocols such as I2C, PMBus, and UART.
— FW development for peripherals such as ADC, DAC, and communication interfaces.
— Assist in debugging and validating embedded firmware with mixed-signal hardware in
a lab environment.
— Collaborate with hardware and software engineers to ensure seamless functionality.
— Create and maintain documentation, including feature descriptions, user guides, and
firmware design specifications.
— Contribute new ideas for firmware improvements and participate in code reviews to
maintain quality standards.

Qualifications:

— You are a hands-on engineer with a strong interest in embedded firmware development.
You are best equipped for this role if you have:
— BS or MS in Electrical Engineering, Computer Science, or related field.
— 4+ years of experience in embedded firmware development.
— Proficiency in C programming for embedded systems.
— Familiarity with serial communication protocols such as I2C, UART, or PMBus.
— Basic understanding of mixed-signal systems (combining analog and digital
components).
— Lab experience for debugging firmware with hardware circuits.
— Familiarity with version control systems (e.g., GIT) and debugging tools like JTAG.- Strong problem-solving skills and the ability to work in a collaborative team
environment.
— Good written and verbal communication skills in English language.

Preferred Skills (Nice to Have):
— Know-how and experience in DCDC power conversion systems.
— Experience with version control systems like GIT.
— Proficiency with JTAG debuggers and debugging firmware systems.
— Familiarity with bare-metal, RTOS environments, and device drivers.
— Programming experience with Python.
— Expertise in serial communication protocols such as I2C, PMBus, and UART.
— Experience with bug tracking systems like JIRA.

Sysadmin / SRE (L2 Support)
L2 operations role with strong interaction with DevOps and DevSecOps teams. Responsible for reliability and incident management of large-scale Azure and on-prem infrastructure (~1M). Operates and maintains monitoring and observability stack (Grafana, Prometheus, Azure Monitor, Application Insights, New Relic, Loki).

Key responsibilities include CMDB ownership, proactive and reactive infrastructure monitoring (capacity, availability, security), disaster recovery planning, and infrastructure incident management.

Salary depends on your professional level.

Responsibilities:

• Create, launch, and manage advertising campaigns on Facebook
• Analyze campaign performance and implement ongoing optimizations
• Maintain accurate campaign reporting and performance tracking
• Test new hypotheses and document results and insights
   

Requirements:

• 2+ years of hands-on experience running Facebook Ads campaigns
• Strong analytical skills: ability to work with large data sets, develop hypotheses, test them, and make data-driven decisions
• Experience navigating moderation for niche or restricted topics on Facebook
• Creative problem-solving skills and ability to think outside the box
   

We Offer:

• Competitive salary (tied to foreign currency)
• A team of top professionals and continuous development opportunities
• Flexible schedule (start your day between 8 AM and 11 AM, 8-hour workday)
• Medical insurance
• Paid vacation and sick leave
• L&D Center with training courses for employees and top managers
• Internal rotation program
• Self-learning library and access to paid courses
• Discount program
• Work remotely or from the office — your choice
• Group discussions and individual sessions with a psychologist

Project Description

Our Customer is one of the biggest companies on the market of home entertainment consumer electronics devices that strives to provide their clients with high-quality products and services.

Job Description

3+ years of developing and bolstering automated QA systems and associated test strategies
Experience in developing and supporting testing frameworks, and developing automated test scripts (would be a plus)
Understanding of Page Object pattern, knowledge of other automation patterns;
Good working knowledge of at least one Linux/Unix-based platform as well as Windows;
Experience in QA methodologies, a clear understanding of QA processes and artifacts;
Experience with Scrum/Agile;
Good communication and problem-solving skills;
Excellent written and verbal English communication skills, developed interpersonal skills;
Highly motivated, energetic, and able to easily switch between assignments. Ready for challenges!

Job Responsibilities

Responsibilities:

Working with the solid automation test framework and infrastructure;
Developing new and updating existing automation scripts;
Code review;
Debugging issues and creating bug reports;
Documentation creation;
Communication with international teams (US, UK)
Manual work: about 20%

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies. 

We are looking for a Media Buyer to join our team!

Requirements:

- User acquisition: 0.5+ years of proven track in building marketing retention campaigns for a consumer product through ad networks;
- Understanding of attribution models (post view vs click) and conversion deduplication;
- Work with creatives, experience with setting up tasks for video creatives;
- Ability to identify issues within campaigns and develop solutions quickly;
- Understanding user journey, user segmentation, engagement, and customer experience;
- Ability to analyze and understand such metrics as CTR, CR, CPA;
- Flexible and open to feedback, with a continuous improvement mindset;
- Comfortable working independently and managing large-scale ad budgets;
 

Responsibilities:

- Launch retargeting and performance campaigns;
- Manage the structure of retargeting campaigns;
- Technical setup: pixel integration, postback configuration;
- Inventory management: maintaining whitelists and blacklists of publishers and domains in DSP;
- Creative performance analysis and briefing for the design team based on CTR and conversion data;
- Regular reporting on campaign performance by GEO and placement;
- Close work with existing campaigns.

What are the conditions and bonuses?

☘️An exciting and challenging job in a fast-growing product company, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and other;

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed;

📍Beautiful offices in Warsaw, Limassol work remotely or on-site with comfort and enjoy the opportunity to build a network of connections with professionals day by day;

🧑🏻‍💻Laptop & all necessary equipment for work according to the ecosystem standards;

🏖Paid vacations, personal events days, days off;

🫖Paid sick leave;

👨🏻‍⚕️Medical insurance;

💵Referral program enjoy cooperation with your colleagues and get the bonus;

📚Educational support by our L&D team: internal and external trainings and conferences, courses on Udemy;

🗣Free internal English courses;

🧘Sport benefit;

🦄Multiple internal activities: online platform for employees with quests, gamification and presents for collecting bonuses, RedCore talks club for movie and book lovers, board games cozy evenings, special office days dedicated to holidays;

🎳Company events, team buildings.

Cloudfresh ⛅️ is a Global Google Cloud Premier Partner, Zendesk Premier Partner, Asana Solutions Partner, GitLab Select Partner, Hubspot Platinum Partner, Miro Solutions Partner, Okta & Microsoft Partner.

Since 2017, we’ve been implementing, migrating, integrating, administering, and auditing cloud solutions everybody knows—all the way from PoC and training to ongoing support and GenAI guidance, always with the customer’s IT setup in mind.

Businesses get to capture the value of compelling products that span cloud computing, location and mapping, borderless collaboration, peerless customer service, and DevSecOps.

We’re currently looking for a Marketing Manager to join our team. In this role, you’ll help shape and manage marketing efforts across various channels—supporting key business goals, generating leads, strengthening our brand, and building meaningful connections. Your work will play an important role in how we communicate, grow, and deliver value. We’re excited to meet someone who’s ready to make a real impact 💚

Requirements

• Minimum of 3 years of experience in a marketing manager role, ideally within the B2B space.
• 2+ years of experience in the SaaS industry.
• Proven ability to plan and execute campaigns across various channels, and/or develop content and shape content strategies.
• Solid understanding of lead generation, brand awareness, content creation, event execution, and other key B2B marketing activities.
• Experience working with CRM systems such as HubSpot or similar platforms.
• Familiarity with advertising tools including Google Ads, Facebook, Instagram, LinkedIn, and a basic grasp of Google Analytics.
• Upper-intermediate to advanced English proficiency, both written and spoken.
• A proactive mindset with a collaborative, solution-oriented approach.
• Excellent communication skills and the ability to work effectively with cross-functional teams.

Responsibilities

• Collaborate with the team to plan and execute multi-channel marketing campaigns that drive pipeline growth and strengthen brand awareness.
• Develop and launch initiatives that promote the company’s products and services across key channels, including social media, email, digital media, paid search, SEO, and others.
• Monitor campaign performance, test new approaches, and continuously optimize to support business goals.
• Identify and explore new platforms and touchpoints to engage target audiences across the entire funnel—from awareness to conversion.
• Build and nurture strong relationships with partners and clients through joint marketing activities such as special projects, events, success stories, co-branded content, and other.

Would be a plus

• Proven writing skills with experience in the technology and software sectors, specifically within a B2B context.

Work conditions

• Advance with Top Cloud Brands: Build your cloud marketing expertise with Google Cloud, Asana, GitLab, Zendesk, HubSpot, Miro, Okta, and Microsoft.
• Expand Your Reach: Lead meaningful campaigns across EMEA, making an impact in diverse and dynamic markets.
• Make a Real Difference: Drive smart, results-focused strategies that truly resonate with our clients.
• Grow with a Supportive Team: Join a team that celebrates your wins and encourages your growth every step of the way.
• Experiment & Innovate Freely: Bring your ideas to life in a culture that values creativity and is open to new approaches.
• Earn What You Deserve: Enjoy a competitive salary and a transparent bonus system tied to your results.
• Flexible Remote Schedule: Work flexibly remote or join us for a coffee in Kyiv or Prague offices.
• Comprehensive Leave: 24 vacation days, bank holidays, and unlimited sick leave.
• Continuous Learning: Access sponsored educational opportunities such as courses, conferences, meet-ups, company-sponsored English learning groups to keep your skills sharp and relevant.
  
  When applying to this position, you consent to the processing of your personal data by CLOUDFRESH for the purposes necessary to conduct the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of April 27, 2016 (GDPR).
  Additionally, you agree that CLOUDFRESH may process your personal data for future recruitment processes. You can withdraw this consent at any time.

Cloudfresh ⛅️ is a Global Google Cloud Premier Partner, Zendesk Premier Partner, Asana Solutions Partner, GitLab Select Partner, Hubspot Platinum Partner, Okta Activate Partner, and Microsoft Partner.

Since 2017, we’ve been specializing in the implementation, migration, integration, audit, administration, support, and training for top-tier cloud solutions. Our products focus on cutting-edge cloud computing, advanced location and mapping, seamless collaboration from anywhere, unparalleled customer service, and innovative DevSecOps.

We’re currently looking for a Data Engineer/Analyst (GCP) to join our team. In this role, you’ll design, implement, and deliver robust data platforms and analytics solutions on Google Cloud - ensuring technical excellence and client success across the full project lifecycle, from pre-sales discovery to enterprise delivery and internal projects. We’re excited to meet someone who’s ready to make a real impact.

Requirements

- Fluency in Ukrainian
- At least B2 level in English
- GCP Native Data Stack: Deep practical knowledge of BigQuery, Cloud Storage, Cloud Functions, and BigQuery ML.
- 3+ years of experience in Data Engineering
- Strong experience with Dataflow, Dataproc, Pub/Sub, Cloud Composer, or Dataform for building and maintaining optimized ETL/ELT processes in GCP.
- Proficiency in Looker / Looker Studio.
- Advanced SQL (focus on optimization and performance tuning) and Python (for API integrations and pipeline scripting).
- Comfortable in client-facing and pre-sales scenarios (live demos, requirements gathering) with the ability to translate business needs into scalable technical designs.
- A proactive, self-driven approach with high responsibility for data platform reliability and accuracy.
- Familiarity with integrating data from APIs, relational databases, NoSQL systems, and SaaS platforms.
- Ability to work seamlessly with architects, DevOps, and ML engineers to deliver end-to-end cloud solutions.

Responsibilities

- Design and build modern data platforms for enterprise clients, working with both structured and unstructured datasets at scale.
- Lead the implementation of analytics solutions ensuring strict data quality, security, and rigorous performance optimization.
- Run workshops and deliver technical presentations to stakeholders to define and refine data architectures.
- Continuously monitor and tune BigQuery cost/scalability models and ETL performance.
- Collaborate with the team during discovery phases to provide technical expertise, live demos, and solution scoping.
- Identify and explore new GCP features and agentic AI tools to automate operations and improve process analytics.

Work conditions

- Flexible Work Format: Work remotely with flexible hours, allowing you to balance your professional and personal life efficiently.
- Training with Leading Cloud Products: Access in-depth training on cutting-edge cloud solutions, enhancing your expertise and equipping you with the tools to succeed in an ever-evolving industry.
- International Collaboration: Work alongside A-players and seasoned professionals in the cloud industry.
- Expand your expertise by engaging with international markets across the EMEA and CEE regions.
- Vibrant Team Environment: Be part of an innovative, dynamic team that fosters both personal and professional growth, creating opportunities for you to advance in your career.

When applying to this position, you consent to the processing of your personal data by CLOUDFRESH for the purposes necessary to conduct the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of April 27, 2016 (GDPR).
Additionally, you agree that CLOUDFRESH may process your personal data for future recruitment processes. You can withdraw this consent at any time.

Cloudfresh ⛅️ is a Global Google Cloud Premier Partner, Zendesk Premier Partner, Asana Solutions Partner, GitLab Select Partner, Hubspot Platinum Partner, Okta Activate Partner, and Microsoft Partner.

Since 2017, we’ve been specializing in the implementation, migration, integration, audit, administration, support, and training for top-tier cloud solutions. Our products focus on cutting-edge cloud computing, advanced location and mapping, seamless collaboration from anywhere, unparalleled customer service, and innovative DevSecOps.

We’re looking for a Google Cloud Security Engineer to harden client environments across GCP. You’ll implement and help design security controls, automate guardrails, improve detection & response, and guide stakeholders through pragmatic, risk-based decisions across EMEA.

Requirements:

• 3+ years proven, hands-on experience in a Security Engineer, SecOps (or similar) role.
• Strong knowledge of building and operating Security Porture, Edge protection, WAF, Endpoint security.
• Technical certifications related to CyberSecurity Google Cloud Solutions, Cloudflare and JumpCloud are an advantage.
• Experience of presentation, documentation.
• Excellent communication and strategic planning abilities, able to explain trade-offs, influence remediation, and drive adoption of guardrails.
• Basic scripting experience (e.g., Python, Bash, or gcloud CLI).
• Fluency in English.

Responsibilities:

• Design, implement, and operate security controls for internal needs and clients across.
• Perform cybersecurity audits.
• Configure and monitor Security Command Center, audit logs, and threat protection.
• Establish logging, detection and incident response.
• Assist clients with implementation of Cybersecurity products (Google Cloud Security Center, Google Workspace Security, Cloudflare, JumpCloud) and compliance controls.
• Generate security assessment reports and provide actionable recommendations.
• Continuously assess the landscape: track new Vendors features and update baselines to improve posture, reliability, and cost efficiency.

Work conditions:

• Competitive Salary & Transparent Motivation: Receive a competitive base salary with performance-based bonuses, providing clear financial rewards for your success.
• Flexible Work Format: Work remotely with flexible hours, allowing you to balance your professional and personal life efficiently.
• Training with Leading Cloud Products: Access in-depth training on cutting-edge cloud solutions, enhancing your expertise and equipping you with the tools to succeed in an ever-evolving industry.
• International Collaboration: Work alongside A-players and seasoned professionals in the cloud industry. Expand your expertise by engaging with international markets across the EMEA and CEE regions.
• Vibrant Team Environment: Be part of an innovative, dynamic team that fosters both personal and professional growth, creating opportunities for you to advance in your career.

When applying to this position, you consent to the processing of your personal data by CLOUDFRESH for the purposes necessary to conduct the recruitment process, in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of April 27, 2016 (GDPR).
Additionally, you agree that CLOUDFRESH may process your personal data for future recruitment processes. You can withdraw this consetn at any time.

We are looking for a Technical Team Lead (ATE) to lead the development of automated test systems and drive the technical strategy of product testing in a manufacturing environment.

This role combines deep technical expertise with leadership responsibility. You will define the architecture of test solutions, make key engineering decisions, and grow a team of engineers. Your scope will cover the full testing lifecycle — from design analysis to manufacturing support and process optimization.

The ideal candidate has hands-on experience with ATE in production, understands DFT principles, and can build scalable and efficient test solutions.
 

Responsibilities:

1. Technical Strategy & Architecture

• Define test strategy (ICT / FCT / EOL) and ATE architecture
• Establish approaches for test coverage, fault isolation, and DFT
• Define engineering standards and best practices

2. Leadership & Team

• Lead and develop a team of test engineers
• Provide mentoring, design reviews, and technical guidance
• Make engineering decisions and trade-offs

3. Test Development

• Oversee development of test systems (fixtures, software, data infrastructure)
• Conduct DFT reviews with hardware teams
• Ensure production readiness of test solutions

4. Manufacturing & Optimization

• Support NPI → mass production transition
• Collaborate with manufacturing and contract manufacturers
• Optimize test time, yield, and line efficiency
• Lead root cause analysis

5. Data & Performance

• Analyze test data (yield, failure trends)
• Define KPIs and drive continuous improvement

Requirements:

1. Experience

• 5+ years in test engineering (PCBA / manufacturing / product)
• 2+ years of technical leadership experience
• Hands-on experience with ATE in production

2. ATE & Test Systems

• ICT / FCT / EOL testing
• Test fixtures and test infrastructure
• Test coverage, fault isolation, DFT

3. Manufacturing

• NPI → mass production
• Yield management, test optimization, line balancing
• Experience working with contract manufacturers

4. Embedded Systems

• Interfaces: UART, SPI, I2C, CAN, Ethernet
• Firmware flashing (secure flashing is a plus)
• Understanding of bootloaders and production firmware flows

5. Data & Metrics

• Yield analysis, failure Pareto
• KPI definition, SPC, GR&R

We offer:

• Competitive compensation and transparent conditions
• Military reservation (booking)
• Paid vacation and sick leave
• Health insurance
• Opportunity to influence technical decisions and product architecture
• Work with modern manufacturing environments and test systems
• Professional growth and development support
• Open culture and a strong engineering team

If you have relevant experience and are excited to contribute to a meaningful and impactful domain, we’d love to hear from you.

Send us your CV — we’ll be happy to review your application!

About AppsFlyer:

AppsFlyer provides a SaaS marketing analytics platform that measures and optimizes marketing activities across mobile, web, CTV, PC, and console applications. AppsFlyer is known for its massive backend production. At any given moment, thousands of servers are consuming 150+ billion mobile app events, crunching our users’ data, serving requests, and communicating on a massive scale.

To maintain the universe we call AppsFlyer, we practice modern production operations with a complete self-serve CI/CD platform, a highly integrated observability stack for our microservices, backends, and infrastructure, and a culture of ownership and eagerness for quality.

The Analytics group is responsible for showing our clients the stories their data is telling. Through complex aggregation, mission-tailored analytical databases, and carefully crafted APIs, we are able to provide slice-and-dice analysis in our beautiful dashboards and through the use of external integrations.

About the Role:

As a Data Engineer(Big Data) within the Analytics group at AppsFlyer, you will own the end-to-end journey of event data - from ingestion and processing to storage, modeling, and API delivery. 

You will design and implement data pipelines using Apache Airflow and Spark, choose and optimize analytical databases, and integrate new components in our hybrid microservices environment. You will collaborate with product managers and cross-functional teams, troubleshoot production incidents, and influence our migration toward Google Cloud and BigQuery. This role offers autonomy over feature design, real impact on a platform handling billions of events daily, and the chance to contribute to open-source projects or speak at industry forums.

Key Responsibilities:

• Develop and maintain data processing pipelines using Apache Airflow, Scala Spark or PySpark.
• Select, model and optimize analytical databases for high-throughput, low-latency queries.
• Design and implement backend services and APIs for data ingestion, aggregation and client consumption.
• Monitor system performance and stability; diagnose and resolve production issues.
• Collaborate with product managers and engineers to plan and deliver complex features.
• Drive migration efforts to Google Cloud Platform, BigQuery and modern data tooling.
• Participate in on-call rotations, alerting via PagerDuty and incident response procedures.
• Document system architecture and data flows; maintain code quality and tests.

Required Competence and Skills:

• 3+ years of hands-on experience building and operating production Big Data systems
• 2+ years of proven experience designing, developing, and maintaining large-scale distributed data processing pipelines
• Strong practical experience with distributed data processing technologies such as Apache Spark or equivalent Big Data frameworks.
• Experience with workflow orchestration tools such as Apache Airflow or similar.
• Strong SQL skills and experience designing data models for analytical workloads.
• Familiarity with JVM languages (Scala, Java, Clojure) or Python for backend development.
• Experience working with cloud platforms and modern data warehouses like Google Cloud Platform and BigQuery or similar.
• Experience owning production systems, including monitoring, troubleshooting, and responding to production incidents.
• Strong communication skills and ability to collaborate effectively within distributed engineering teams.
• B.Sc. in Computer Science or equivalent practical experience.

Nice to Have:

• Production experience with Google BigQuery, including ETL pipelines and analytical workloads.
• Experience developing backend services in Go or Clojure.
• Experience contributing to open-source projects or presenting at technical conferences or meetups.
• An AI mindset, including practical use of tools such as GitHub Copilot, Cursor, ChatGPT, or similar AI-assisted development workflows.

Benefits Package includes:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice-cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

We are looking for a AQA to join our international team. The role focuses on testing Salesforce CRM functionality and integrations with other applications and services. The position includes approximately 70% manual testing and 30% test automation. You will also become part of an experienced QA team responsible for ensuring the overall quality of testing activities and maintaining automated test coverage across the entire product. The team is international, mainly based in Ukraine, Belgium, Spain, Columbia, etc.
 

Must-have

3+ years of experience in QA;

Excellent understanding of the QA lifecycle, testing methodologies, documentation, and testing processes;

Strong experience in test automation using C# (Playwright and API testing);

Understanding of REST API principles and testing;

Experience with Git;

Good communication and collaboration skills;

Upper-Intermediate English or higher.

Nice-to-have

Familiarity with Salesforce, MS Finance & Operations applications
Experience with Postman or similar API tools;

ISTQB certification.

Responsibilities

Plan and execute testing activities based on requirements and acceptance criteria (functional, integration, regression, E2E, and acceptance testing);

Create and maintain test documentation;

Develop and maintain automated tests (API/UI);

Support testing activities in CI/CD pipelines;

Contribute to QA process improvements and test coverage enhancement.