Jobs at Djinni

Dataforest are looking for a highly experienced Team Lead Data Science with a strong engineering and managerial background (10+ years in the domain). In this role, you will lead and scale our AI/Data Science practice, establish robust development processes, drive pre-sales and R&D activities, and effectively manage an engineering team of 8–10+ members.
 

 What you’ll do:

• Team Leadership & Management: Lead and grow the Data Science department (8–10+ people), perform 1-on-1s, technical assessments, and performance reviews.
• Architecture & Strategy: Define the AI/DS architecture and tech strategy, establish high-quality coding standards, and oversee code reviews.
• Business & Pre-sales: Collaborate closely with C-level executives (CEO/CTO) to shape development processes, lead pre-sale activities, and estimate complex AI projects for international clients.
• R&D & Solution Delivery: Drive complex AI projects from concept to production (High-Load systems, LLM/RAG solutions) and conduct R&D with cutting-edge technologies.
   

 You'll be a great fit if you have:

• 10+ years of total experience in Data Science, Machine Learning, Data Engineering, and Software Engineering.
• Management Experience: Proven track record of leading teams of 8+ engineers (Data Scientists, ML Engineers).
• AI & LLM Expertise: Deep practical knowledge of the modern AI stack: LLM, RAG, LangChain, LangGraph, and AI Agents.
• Core Tech Stack:
  • Mastery of Python, algorithms, and data structures.
  • Proven experience in building scalable ML/DS architectures and high-load production systems.
  • Solid understanding of MLOps, Docker, Kubernetes, and CI/CD pipelines.
• Business Analysis & Pre-sales: Demonstrated capability in project estimation, client communication, and translating complex business requirements into technical solutions.
• English: Upper-Intermediate (B2+) or higher for fluent communication with international clients.

We ensure your growth with:

• Great networking opportunities with international clients and challenging tasks;

• Building interesting projects from scratch using new technologies;

• Personal and professional development opportunities;

• Competitive salary fixed in USD;

• Paid vacation and sick leave;

• Flexible work schedule;

• Friendly working environment with minimal hierarchy;

• Team-building activities and corporate events.

We're looking for Customer Support Agent to join our team. As a Customer Support Agent, you will be the first point of contact for our clients, ensuring a smooth and efficient support experience through live chat and email. Your main focus will be resolving inquiries, escalating complex cases, and maintaining high standards of response time and quality.
 

HOW YOU WILL MAKE AN IMPACT

• Provide professional and timely support to users via live chat and email
• Handle player inquiries, complaints, and requests with empathy and accuracy
• Escalate complex or sensitive cases to the relevant departments
• Ensure compliance with internal quality standards and communication guidelines
• Maintain up-to-date knowledge of games, promotions, and internal procedures
• Follow the assigned schedule and meet individual performance KPIs (speed, CSAT, accuracy)
   

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• Previous experience in Customer Support and IGaming is a must
• Excellent written communication skills in English (B2+) / French (B2+)
• Ability to work flexible shifts, including not only evenings, weekends, and holidays, but also night shifts
• Strong multitasking skills and attention to details
• Ability to work both independently and as part of a team
• Passion for providing high-quality customer service in a fast-paced environment
   

WHY YOU’LL LOVE IT HERE:

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.

Who Are We?

Welltech is a global wellness technology company with Ukrainian roots. Our mission is to build and scale wellness apps globally through state-of-the-art, tech-driven performance marketing.

We are one of the most established players in the wellness app space, and we are accelerating. Over 25.5 million people across the world use our apps — Muscle Booster, Yoga-Go, and WalkFit — to build healthier habits, move more, and feel better every day. Every subscription represents a real person making a real change in their life, and we take that seriously.

With 500+ people across hubs in Cyprus, Ukraine, Poland, Spain, and the UK, we combine the scale of a market leader and the drive of a team that’s just getting started.

What We’re Looking For

We are looking for a proactive Senior Payment Partnerships Manager to lead the integration and management of various Payment Service Providers (PSPs) into our proprietary payment gateway. This role is crucial in ensuring optimal payment performance and building strong relationships with our payment partners.

Key Responsibilities:

• Leverage payments expertise and market insights to shape strategic partnerships that create value for Welltech and its users
• Establish new partnerships with 3rd party payment schemes and suppliers that are needed to expand the payment method portfolio and improve processing excellence worldwide
• Manage and develop relationships with existing partners and communicate with them about fluctuations in payment metrics performance, and collaborate to implement improvements
• Negotiate new terms and conditions related to commissions, volumes, etc.
• Ensure all partner agreements and activities meet applicable regulatory, AML, and compliance obligations
• Gather inputs from and coordinate with internal stakeholders (including payment ops, product, engineering, treasury, finance, legal, etc.) on the creation and execution of the partnerships to ensure seamless integration and operation of payment solutions
• Act as the primary contact for designated partners

• Responsible for the coordination and monitoring of the entire partner setup

   

Requirements:

• 5+ years of experience in business development or partnerships roles within the payments or fintech space.
• Solid understanding of payment ecosystems, including PSPs, card schemes, APMs (alternative payment methods), acquirers, and routing logic
• Knowledge of regulatory and compliance requirements (AML, PSD2, 3DS, card scheme rules)
• Strong interpersonal and partner-facing communication skills — comfortable leading discussions with internal and external stakeholders (banks, PSPs, vendors)
• Cooperating and working with multiple departments and cross-functional teams

• Advanced English level

   

Candidate journey

⭕️ Recruiter call —> ⭕️ Hiring Manager —> ⭕️ Chat Skills assessment—> ⭕️ Meet the Leadership team

We are looking for a Business Development Manager who will be responsible for acquiring new clients, developing business opportunities, and managing B2B deals from the first contact to contract signing.

For over 10 years, the company has been helping brands grow by creating branded YouTube channels, managing collaborations with influencers, and distributing content across various platforms, including Reddit.
 

Responsibilities:

• Identify and acquire new B2B clients.
• Conduct proactive client outreach and work with inbound leads.
• Work with cold leads — around 50% of leads are cold.
• Conduct meetings and present the company's services and case studies.
• Negotiate with marketers, CMOs, PR specialists, top management, and business owners.
• Manage the full sales cycle — from the initial contact and negotiations to documentation and contract signing.
• Work with both new and existing clients and maintain a high level of client service.
• Control and manage advertising project budgets.
• Prepare pitch presentations and reports together with the team.
• Attend relevant industry conferences and events.
   

Requirements:

• 3+ years of experience in Business Development / Sales.
• Mandatory experience in cold B2B sales: independent client acquisition, outbound communication, conducting initial meetings, and closing deals.
• Experience selling B2B services or solutions with a $5–10K deal size.
• Experience managing the full sales cycle — from initial contact and negotiations to documentation and contract signing.
• Experience communicating with clients at different levels, including marketers, CMOs, PR specialists, top management, and business owners.
• Knowledge of marketing fundamentals and AIDAS and SPIN sales approaches.
• Understanding of digital marketing, particularly PPC and influencer marketing.
• Experience working with Notion, ClickUp, Nethunt, and Google Docs.
• Fluent Ukrainian.
• English - B2.
• Entrepreneurial mindset and genuine interest in sales.
• Willingness to travel and attend relevant industry conferences and events.
   

We offer:

• $1,500–2,500 total income: ($1,000–1,400 +%)
• Remote work.
• Opportunity to work with major Ukrainian brands.
• Official YouTube partnership and direct collaboration with TikTok.
• Professional development opportunities with the possibility of moving into a management position.
• Training, courses, and access to a library of physical, audio, and e-books.
• Health insurance after the probation period.
   

Send us your CV!

We are looking for a CRM Manager to join our team and take ownership of CRM and retention activities for an assigned player portfolio.

HOW YOU WILL MAKE AN IMPACT

• Plan and execute CRM activities within the promotional calendar.
• Build and launch campaigns in Smartico and Customer.io, including segmentation, campaign mechanics, and trigger-based scenarios.
• Manage communications across email, push notifications, inbox, CMS, and pop-ups.
• Build and maintain customer lifecycle and retention journeys.
• Develop and optimize reactivation and anti-churn campaigns.
• Prepare campaign copy with the help of AI tools and adapt it manually to the target audience and communication channel.
• Analyze campaign performance and regularly report on results for your portfolio.
• Evaluate bonus mechanics not only by reach and engagement, but also by their impact on retention and cohort performance.
• Plan and analyze A/B tests for offers and copy.
• Review and validate segmentation logic before campaign launches.
• Regularly audit and optimize existing segments and database logic.
• Identify communication overlaps, outdated segments, and other database quality issues.
• Use both proactive and reactive retention approaches based on customer behavior and campaign results.
• Analyze affiliate traffic and develop dedicated communication and bonus flows for affiliate-acquired customers.
• Coordinate tasks with other teams when required.
• Handle operational CRM tasks in alignment with the Team Lead and current workload.
   

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• Hands-on experience with Smartico and Customer.io.
• Strong understanding of customer segmentation, lifecycle management, retention, and bonus mechanics.
• Experience with A/B testing and campaign performance analysis.
• Experience creating anti-churn and reactivation campaigns.
• Strong analytical skills, including cohort analysis and working with BI tools.
• High attention to detail and the ability to critically evaluate segmentation logic and campaign mechanics.
• English — Intermediate/Upper-Intermediate or higher, sufficient for copywriting and working with documentation.
• Ability to work independently, prioritize tasks, and take ownership of your CRM portfolio.
   

Would Be a Plus

• Experience working with affiliate traffic and building dedicated CRM flows.
• Understanding of customer psychology and behavioral patterns in the gambling industry.
• Experience with GlockApps, Folderly, or Google Postmaster Tools.
• Knowledge of HTML/CSS.
• Experience working with additional CRM/CDP or marketing automation platforms.
   

WHY YOU’LL LOVE IT HERE:

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

We are looking for an AI/ML Research Scientist.

Requirements:

• PhD with 1+ years of research experience in Electrical Engineering, Computer Science, Information Systems, or a STEM-related field
• 1+ years of experience with modern machine learning architectures including Transformers, Graph Neural Networks, and Diffusion models
• Strong coding skills in Python and C++
• Experience with machine learning frameworks like PyTorch
• At least 1 publication in top machine learning conferences (NeurIPS, ICML, ICLR, etc.)
• Experience with deep learning on graphs (general graphs, circuit graphs, molecular graphs, or trees)
• Familiarity with classical search and optimization techniques (Genetic Algorithms, Monte-Carlo Tree Search, Dijkstra's Algorithm, etc.)
• Experience with EDA tools, either commercial or open-source
• Publications in top-tier venues focusing on AI for chip design or AI for materials science. 

The Defense Procurement Agency (DOT) is a national agency responsible for procuring ammunition, UAVs, military equipment, fuel, food, clothing, and other critical supplies for the Armed Forces of Ukraine and the Defense Forces.

Our mission: Strengthening Ukraine by ensuring reliable support for the Defense Forces while fostering the development of the national defense industry.

Our vision: To become the driving force behind the transformation of Ukraine's defense procurement ecosystem—not only operating the system, but continuously improving it.
 

We are looking for a System Administrator / Infrastructure Engineer who will be responsible for administering, maintaining, and developing our Microsoft-based IT infrastructure, ensuring system stability and availability, and supporting network infrastructure and security solutions.

Responsibilities

• Administer and maintain Microsoft-based IT infrastructure.
• Install, configure, and maintain software, server systems, and hardware components.
• Configure and maintain backup procedures to ensure data integrity, availability, and recoverability.
• Implement and maintain security solutions, including firewalls, antivirus software, and Endpoint Detection and Response (EDR) tools.
• Monitor systems for potential vulnerabilities and security threats, investigate issues, and ensure timely remediation.
• Administer and maintain server infrastructure, cloud environments, and virtualization platforms.
• Configure and support network infrastructure, VPNs, firewalls, and DNS.
• Respond promptly to system alerts and incidents, troubleshoot technical issues, and minimize service downtime.
• Create and maintain up-to-date technical documentation.
• Develop, test, and maintain disaster recovery plans and procedures.
• Automate routine administrative tasks using scripts.

• Provide technical support to users and help resolve IT-related issues.

   

Requirements

• Hands-on experience administering and supporting Microsoft 365, Exchange, Active Directory / Microsoft Entra ID, Intune, and IIS.
• Experience working with cloud infrastructure based on Microsoft Azure and the VMware virtualization platform.
• Experience administering Windows Server. Linux administration skills will be an advantage.
• Practical experience writing PowerShell scripts to automate routine administrative tasks.
• Understanding of networking fundamentals and the OSI model.
• Experience configuring and managing network equipment from vendors such as MikroTik, Cisco, or Aruba.
• Experience configuring and maintaining VPNs, firewalls, and DNS.
• Understanding of backup, recovery, and system restoration procedures.
• Ability to independently troubleshoot technical issues, analyze root causes, and implement effective solutions.

• Strong sense of responsibility, attention to detail, and readiness to respond to incidents promptly.

   

Will be a plus:

• Experience working with Docker and containerized environments.
• Experience administering and supporting security solutions such as DLP, NGFW, EDR/XDR, PAM, and SIEM.
• Experience working with relational databases, including Microsoft SQL Server and MySQL.
• Experience with infrastructure automation and Infrastructure as Code (IaC) tools such as Ansible and Terraform.
• Experience developing, testing, and improving IT infrastructure disaster recovery procedures.

What We Offer

• Meaningful work that directly contributes to strengthening Ukraine's defense capabilities.
• Official employment with competitive salary and full social benefits.
• Professional development, learning opportunities, and career growth.
• Structured onboarding and dedicated mentorship.
• A collaborative, supportive, and mission-driven team.
• Modern office near the metro with reliable internet and equipped shelter.

By joining our team, you will contribute to one of Ukraine's largest digital transformation initiatives in the defense sector and help build the future of defense procurement.

Ready to make a real impact? We'd love to hear from you. Apply today!

* By submitting your CV, you consent to the processing of your personal data in accordance with applicable legislation.

** Due to the high volume of applications, only candidates whose qualifications best match the position will be contacted.

Dataforest is looking for a proactive, organized, and detail-oriented Delivery Manager. Your task will include coordinating key functions within a project and ensuring their effective interaction. We are seeking a professional with strong experience in project management and account management who can maintain high project margins and delivery quality.
 

You'll be a great fit if you have:
- 5+ years of experience as a Delivery Manager.
- Strong leadership and organizational skills with the ability to effectively manage a team.
- Experience working with project budgets and understanding financial metrics.
- Deep understanding of the project delivery process.
- Experience in IT outsourcing
- Understanding in Python, API, and SQL.
- Possession of project management tools.
- Experience in account management and building long-term relationships with clients.
- English language proficiency at the Advanced or Fluent level.

What you'll do:
- Manage and coordinate project teams, including PMs, developers, and resource functions.
- Ensure timely and high-quality delivery of projects.
- Maintain and develop long-term relationships with clients, striving to increase their satisfaction.
- Manage project budgets and ensure the achievement of set financial indicators.
- Oversee all aspects of project execution—from planning to delivery.
- Participate in identifying client needs and generating additional business opportunities.

We ensure your growth with:

- Working in a fast-growing company;
- Great networking opportunities with international clients, challenging tasks;

- Personal and professional development opportunities;

- Competitive salary fixed in USD;

- Paid vacation and sick leaves;

- Flexible work schedule;

- Friendly working environment with minimal hierarchy;

- Team building activities, corporate events.

Dataforest is looking for a DevOps Engineer eager to grow professionally and work on international projects. You will support and improve infrastructure, set up CI/CD processes, and collaborate closely with the client team.

You'll be a great fit if you have:

- 2+ years of experience as a DevOps;

- Experience with SQL and database configuration;

- Solid understanding of Linux/Unix;

- Hands-on experience with Python (deployments, scripting, automation);

- Experience with version control systems (Git, Bitbucket);

- Basic knowledge of AWS Cloud;

- Familiarity with CI/CD processes (Github Actions, Jenkins or similar);

- Understanding of containerization (Docker, Kubernetes);

- Basic knowledge of Nginx;

- English — Intermediate or higher.

Would be a plus:

- Experience with Airflow;

- Experience with ETL pipelines.

What you'll do:

- Cover the DevOps needs of a dev team;

- Support existing environments in both on-prem and cloud;

- Detect existing product infrastructure issues and vulnerabilities;

- Build ETL procedures;

- Implement best practices and standards for development.

We ensure your growth with:

- Great networking opportunities with international clients, challenging tasks;

- Building interesting projects from scratch using new technologies;

- Personal and professional development opportunities;

- Competitive salary fixed in USD;

- Paid vacation and sick leaves;

- Flexible work schedule;

- Friendly working environment with minimal hierarchy;

- Comfortable, spacious, and well-equipped office in the city center;

- Team building activities, corporate events.

Our partner is an innovative technology company specializing in the development and implementation of cutting-edge solutions in embedded systems and radio frequency (RF) engineering.

We are currently seeking an experienced Firmware Engineer to join our team.

Key Qualifications:
BA or Master’s degree in computer science
Strong level of C/Embedded programming (FW, drivers)
5+ years of experience in industrial or embedded software development
Excellent debugging skills
Familiarity with embedded firmware design
Expertise in hardware components and design
Programming under Linux environment
Advanced experience with Git tools and workflows

Responsibilities:
Developing and implementing software for industry specific hardware
Designing firmware solutions based on company or project needs
Designing detailed firmware plans
Ensuring that firmware is always functional and up-to-date
Troubleshooting and optimising firmware

We are looking for a Senior Full-Stack Engineer with a strong backend core to join the team behind a flagship visual AI testing platform, built by a global leader in AI-powered test automation and used by engineering teams at some of the world’s largest companies.

This role involves designing, building, and operating backend services in C# / .NET for a large-scale, multi-tenant system running in the cloud, with hands-on work across Kubernetes, cloud networking, databases, and Redis. You’ll own features end to end, contribute to the frontend where needed, and collaborate daily with the client’s engineering group in Israel as an integrated member of a hybrid team.

About the product:
The team develops the company’s flagship product: a visual AI testing platform that helps engineering teams ship high-quality applications on any browser or device. Instead of relying on fragile, hand-written assertions, the platform uses Visual AI that works like a human eye: it compares new screenshots against a baseline and automatically detects meaningful visual and functional regressions, while ignoring dynamic content such as ads, dates, or transaction IDs.

What you’ll do:
- Design, build, and operate backend services in C# / .NET that power the platform at scale.
- Contribute to backend architecture: service design, data access, performance, and scalability.
- Work hands-on with cloud infrastructure, including Kubernetes, VMs, cloud networking, databases, and Redis.
- Own features end to end, from design through deployment and production, and contribute to the frontend where needed.
- Use AI-assisted development tools to speed up development, debugging, and code reviews.
- Collaborate closely with the team through design discussions, code reviews, and shared ownership of delivery.

Requirements:
- 5+ years of hands-on industry experience as a software engineer in a product environment. 
- 5+ years of experience with .NET (C#).
- 3+ years of experience building large-scale backend systems, with a solid grasp of backend architectures and design patterns.
- 1+ years of experience in a full-stack or frontend role, or with frontend technologies.
- Hands-on experience with cloud infrastructure: Kubernetes, VMs, cloud networking, databases, Redis, or similar.
- Proven experience working in hybrid or extended teams, collaborating day to day with engineers in another country.
- Hands-on experience using AI-assisted development tools in your daily workflow to accelerate development.
- Excellent written and spoken English, with clear, confident verbal communication.
- A true team player who communicates openly and takes shared ownership of results.
- Based in Warsaw and able to work from the office 3 days per week.

Nice to have:
- DevOps experience (CI/CD, infrastructure as code, monitoring).
Hands-on experience with AI-assisted development tools.

What we offer:
- A friendly environment where you can reach your full potential and grow your career.
- A long-term, full-time B2B contract with a Polish company.
- Paid vacation days, paid sick leave, and paid days off on all Polish public holidays.
- Hybrid work in Warsaw: 3 days per week in the office, the rest of the time remotely.

Location: Bielsko-Biała, Poland

Work model: 100% on-site

Employment: Full-time 

About the company

We are developing the production of high-tech components for unmanned aerial systems (UAVs), including electric motors, electronics, and servo systems.

Our goal is to develop and manufacture advanced engineering solutions with maximum development speed and efficiency. That is why AI is an integral part of our engineering process — every engineer is expected to use modern AI tools to accelerate analysis, simulation, optimization, research, and development.

We are currently looking for a Motor R&D Engineer / Electromagnetics Engineer who will be responsible for the design and optimization of electromagnetic systems for electric motors.

Your responsibilities

• Design and development of electromagnetic systems for electric motors.
• Calculation and optimization of electromagnetic motor parameters.
• Electromagnetic simulation and analysis.
• Working with Ansys Maxwell, JMAG, or similar CAE/FEM tools.
• Optimization of motor designs considering efficiency, torque, power, thermal performance, and other key parameters.
• Analysis of simulation results and preparation of technical recommendations.
• Cooperation with mechanical, electronics, and manufacturing engineers during product development.
• Participation in prototype testing and further design optimization.
• Using AI/ML tools to accelerate engineering calculations and design optimization.
• Using LLMs and AI-powered search tools to analyze scientific publications, technical documentation, and identify potential engineering solutions.
• Continuously identifying opportunities to automate and accelerate R&D processes using AI.

AI-first engineering

For us, AI is not an optional skill — it is part of the everyday engineering workflow.

You will be expected to actively use AI for:

• analysis and optimization of simulation results;
• applying ML modules in Ansys/JMAG and other simulation tools;
• automating routine engineering calculations;
• analyzing technical data;
• researching and structuring information from scientific publications;
• generating and evaluating engineering hypotheses with LLMs;
• accelerating the idea → simulation → optimization → prototype → testing cycle.

Requirements

• Professional experience in electromagnetic design of electric motors.
• Strong understanding of electric machines and electromagnetic systems.
• Practical experience with FEM/CAE simulation tools.
• Experience with Ansys Maxwell, JMAG, or similar software.
• Understanding of electromagnetic modeling and motor parameter optimization.
• Experience with permanent magnets, windings, and magnetic materials.
• Ability to analyze simulation results and translate them into practical engineering solutions.
• Strong engineering and analytical mindset.
• Willingness to actively use AI/ML and LLM tools in everyday engineering work.
• English sufficient to work with technical documentation and scientific publications.

Nice to have

• Experience designing BLDC / PMSM / IPM / SRM motors.
• Experience with motors for UAVs, drones, robotics, or aerospace.
• Python or other programming skills for calculation and optimization automation.
• Experience with ML-based surrogate modeling, parameter optimization, or design optimization.
• Experience with experimental test benches and validation of simulation results.
• Publications, patents, or personal R&D projects related to electromagnetics or electric machines.

What we offer

• The opportunity to work on high-tech components for UAV systems.
• Real R&D work, from concept and simulation to prototypes and serial production.
• An AI-first engineering environment, where AI tools are part of the daily workflow.
• The opportunity to influence the architecture and performance of new motor designs.
• An international engineering environment.
• Modern production facilities and exposure to the full development cycle.
• Professional growth in electromagnetic design and AI-assisted engineering

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.

Powering Growth from the Core — this is the key mission laid under RedCore’s strong foundation. This is how we consistently stay ahead: by evolving and creating scalable solutions, while remaining committed to open and transparent communication with our partners.

We’re looking for a sharp and driven Senior Product Manager (Fintech/Payment card industry) to join our team!

Requirements:

• 5+ years of experience in a bank (Payment card industry), third-party processor, or Fintech companies in a role related to Fintech Products development.

Will be plus

• Experience of the work in the banking card division/payment card processing division or in a third-party processor.

Soft Skills

• Systems Thinking;
• Creative approaches to resolving complex and non-standard tasks;
• Strong communication skills and the ability to resolve conflict situations;
• Advanced organizational skills;

• High stress tolerance.

   

Responsibilities:

Stakeholder and Cross-Team Communication:
– Act as the main liaison between business stakeholders and development teams to translate business needs into actionable requirements;
– Build clear communications with Operational team to launch new features with required operational processes;
– Actively contribute to the long-term strategic planning and development of the Card Issuing Product;
– Initiatives. Own and manage the jira backlog, ensuring it is well-groomed and prepared at least one sprint ahead to facilitate smooth sprint planning;
– Facilitate effective communication across teams to ensure alignment on business goals, technical implementation and operational processes;
– Represent business requirements and progress in leadership meetings, ensuring alignment on priorities and objectives.

Requirements Gathering and Analysis:
– Collaborate with stakeholders to identify and clarify business needs and translate them into detailed functional and non-functional requirements (in collaboration with Business Analyst);
– Analyze and model current and future state processes and financial models to identify opportunities for improvement and efficiency;
– Ensure requirements are prioritized, structured, and aligned with business objectives.

Implementation Planning Support and Backlog Management:
– Collaborate with Product Owner, Sales/Account Management team and development teams to refine and manage the product backlog, ensuring items are ready for development;
– Assist in planning sessions by ensuring clear requirements and priorities for the sprint;
– Continuously review and refine backlog items to ensure alignment with evolving business needs;
– Actively support sprint ceremonies, including daily stand-ups, backlog grooming, and retrospectives, providing clarification on requirements when needed.

Product Documentation and Knowledge Management
-Maintain up-to-date documentation in Confluence, ensuring all product-related information is easily accessible and current.

Collaboration with Operational Teams:
– Work closely with Treasury teams to ensure requirements are fully understood and gathered correctly;
– Provide ongoing support during the launch of new features, answering questions, and helping with issues related to new features usage;
– Validate developed features against business needs and requirements to ensure they meet acceptance criteria.

Risk Management and Issue Resolution:
– Proactively identify potential risks or issues that could impact requirement fulfillment or project timelines;
– Act as a problem solver on all steps from the Features designing to Features exploitation.

Our benefits to you:

- Modern corporate equipment based on macOS or Windows and additional equipment are provided;

- Paid vacations, sick leave, personal events days, days off;

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

- Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences;

- Rewards program for mentoring and coaching colleagues;

- In-house Travel Service;

- Multiple internal activities;

- Other benefits could be added based on your location.

We are looking for a Mid Data Engineer in Kraków, Poland who will own the company data lake — the system of record for millions of financial events a day (bets, wallet movements, live odds) across 12M+ active users. You decide how that data lands, is stored, retained, and governed on S3 + Snowflake/Databricks, so analytics, finance, and regulators all see accurate, reconciled data with zero drift from source.

Domain: Regulated iGaming / wallet & ledger data. Audit-heavy: regulators, finance and analytics all consume the same tables. Millions of financial events per day, terabyte-plus scale.
 

What you'll be doing:

• Own the lakehouse architecture: bronze/silver/gold layers, Iceberg/Delta tables, schema evolution.
• Land operational data via CDC streaming (Kafka, Debezium), handling late and duplicate events.
• Design data layout for speed and cost: partitioning, compaction, file sizing, query performance on Trino/Athena/Snowflake.
• Own retention and archival: storage tiering, regulatory retention, immutability, GDPR deletion.
• Guarantee correctness: freshness SLAs, drift detection, reconciliation against the source wallet and ledger systems.
• Own governance: catalog and lineage, row/column access control, PII masking, encryption, audit trails.
• Monitor ingestion health, data anomalies, and cloud storage/compute spend.
  
  Must-have:
• 3 years' experience in hands-on delivery within that architecture — pipelines, ingestion, models, monitoring
• Lakehouse architecture — bronze/silver/gold layering, an open table format (Iceberg, Delta, or Hudi), schema evolution.
• Data layout & query optimization at TB+ scale — partitioning, compaction, file sizing, query performance on Trino/Athena/Snowflake.
• Cloud lakehouse/DWH in production — Snowflake, Databricks, or BigQuery.
• CDC & streaming ingestion — Kafka + Debezium or equivalent; late, duplicate and out-of-order events.
• Strong SQL and data modeling — enough relational grounding to reason about the OLTP systems you capture from. Critical for financial ledgers.
• Correctness — freshness SLAs, drift detection, reconciliation against source wallet/ledger systems.
• Governance — catalogs, lineage, row/column access control, PII masking, retention, GDPR deletion.
• Cloud object storage — S3 or GCS, plus storage tiering and archival.

• Python and an orchestrator — Airflow or Dagster, as tools.

   

  Location & work model:

• Kraków, Poland. Hybrid — 2 days per week from the office.

The Defense Procurement Agency (DOT) is a national agency responsible for procuring ammunition, UAVs, military equipment, fuel, food, clothing, and other critical supplies for the Armed Forces of Ukraine and the Defense Forces.

Our mission: Strengthening Ukraine by ensuring reliable support for the Defense Forces while fostering the development of the national defense industry.

Our vision: To become the driving force behind the transformation of Ukraine's defense procurement ecosystem—not only operating the system, but continuously improving it.
 

We are looking for a BI Analyst / BI Developer to help turn data into actionable insights, develop BI solutions, and provide teams with reliable analytics to support informed business decisions.

Responsibilities

• Build and maintain BI solutions, from data sources to dashboards and reports.
• Analyze business needs, explore data, and translate stakeholder requests into effective analytical solutions.
• Develop and optimize data models, Power BI reports, and SQL queries.
• Improve and evolve our analytics infrastructure using modern data tools and approaches.
• Work with dbt and Airflow to build and maintain analytical workflows.
• Ensure data quality and contribute to monitoring processes and early detection of data issues.
• Review existing BI solutions, identify weaknesses, and propose improvements.

• Collaborate with business and technical teams to ensure that analytical solutions meet users’ needs and support decision-making.

   

Requirements

• At least 1 year of experience in BI, business analytics, or data analytics.
• Hands-on experience with Power BI and SQL, including report and query optimization.
• Understanding of data modeling principles and how to build high-quality data models.
• Experience building end-to-end BI solutions, from data sources to dashboards.
• Understanding of modern approaches to analytics infrastructure and data workflows.
• Experience working with dbt and Airflow.
• Understanding of data quality assurance and monitoring principles.

• Strong analytical thinking, attention to detail, and the ability to investigate problems independently and find solutions.

   

We’d also love to work with someone who:

• Enjoys exploring new challenges and learning about unfamiliar business domains.
• Is comfortable tackling problems where not everything is clear from the start.
• Is curious, asks questions, and enjoys investigating data and testing hypotheses.
• Communicates effectively with people without a technical background.
• Can propose multiple approaches to a problem and explain why one solution is better in a given context.
• Takes ownership of outcomes, not just individual tasks.
• Wants to understand how the business works and how data can improve decision-making.
• Is eager to improve existing solutions, identify gaps, and suggest meaningful enhancements.

What We Offer

• Meaningful work that directly contributes to strengthening Ukraine's defense capabilities.
• Official employment with competitive salary and full social benefits.
• Professional development, learning opportunities, and career growth.
• Structured onboarding and dedicated mentorship.
• A collaborative, supportive, and mission-driven team.
• Modern office near the metro with reliable internet and equipped shelter.

By joining our team, you will contribute to one of Ukraine's largest digital transformation initiatives in the defense sector and help build the future of defense procurement.

Ready to make a real impact? We'd love to hear from you. Apply today!

* By submitting your CV, you consent to the processing of your personal data in accordance with applicable legislation.

** Due to the high volume of applications, only candidates whose qualifications best match the position will be contacted.