April 24, 2026

Senior Data Platform Engineer

Senior • Hybrid

17,000 - 23,000 PLN

Warsaw, Poland

QED (https://qed.ai) is a tech company focused on public health and food security in Sub-Saharan Africa. We build the digital infrastructure and AI used at the intersection of aid and scientific inquiry, including surveillance of HIV/malaria/TB, and nutrient analysis of crops and soils, working at national-scale in several African countries. Our funding comes from multiple philanthropic and governmental organizations, including the Global Fund, Gates Foundation, and the CDC.


We are looking for a senior Data Platform Engineer to join our team in Warsaw. Desired skills include:

  • experience designing and maintaining data pipelines using ETL and/or ELT approaches, with the ability to reason about trade-offs rather than defaulting to a single pattern

  • understanding of data pipeline reliability concepts, including idempotency, backfills, and handling late or corrected data

  • ability to structure data systems into clear layers (e.g. raw, cleaned, curated) and reason about their different purposes and guarantees

  • experience deciding between batch, micro-batch, and streaming approaches based on latency, correctness, and operational complexity

  • strong background in software engineering, version control, writing readable code and tests, robust design, and basic data structures and algorithms

  • ability to conceive logical software architectures and express yourself clearly, both verbally and in writing

  • willingness to tackle a wide array of problems and technologies

  • willingness to participate in regular design sessions, code reviews, and working in teams

  • development primarily on UNIX-based or OSX-Darwin platforms

  • working proficiency (≥C1) in speaking, reading, and typing English (≥45 words per minute)

  • willingness and interest in working with people from other cultures

  • emotional resilience and social intelligence

  • and you have to care about the work that you do

  • and you have to be optimistic at least sometimes, although pessimism tends to be useful


Below are additional skills that are a bonus, but are not required:

  • understanding of analytical data modeling concepts, including how to transform raw data into analytics-ready datasets and define clear data semantics for downstream consumers

  • experience with Python, Django, DBT, Dagster, Luigi or Clickhouse

  • experience with containerization (Docker), Terraform, Kubernetes or Nix

  • knowledge and experience with data warehousing, online analytical processing, metadata management, dimensional modeling, and relational database theory

  • experience with programming and/or math competitions

  • product-oriented mindset

  • willingness to go on an adventure

  • domain knowledge and/or interest in the sustainable development goals, particularly in public health, agriculture, and assisting developing countries


What can you expect:

  • unusual, socially conscious projects

  • significant ownership

  • a mix of product, internal platform, and client integration work

  • ability and encouragement to explore technologies other than your main expertise

  • optional travel to learn more about problems we're trying to solve


Requires a full-time commitment physically based in Warsaw, Poland, with a hybrid of remote and in-person work throughout the week. We expect at least 2-3 days per week in the office. The working hours are flexible, for example you do not need approval to take out a small chunk in the middle of the day to handle some personal business.

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Warsaw, Poland

27,000 - 35,000 PLN

🏢 Summary: The offer is for an experienced QA Engineer to ensure high software quality across complex, data-intensive applications by designing and executing comprehensive testing strategies. The role combines manual and automated testing, close collaboration with developers and stakeholders, and active contribution to CI/CD and agile processes. It also involves mentoring team members and optimizing internal testing frameworks. 🗂️ Requirements: Minimum 3 years of commercial experience in Software QA/Testing, Solid coding skills in Python, Java, or C#, Ability to read code and write scripts for testing purposes, Active daily use of AI coding tools (e.g., GitHub Copilot, Claude, Codex), Practical knowledge of test automation frameworks, Experience integrating automated tests into CI/CD pipelines, Proficiency with Git version control, Availability to work hybrid in Warsaw (minimum 3 days per week in office) 📃 Skills: Python, Java, C#, Git, CI/CD, Automation, Testing, AI, Copilot, Claude, Codex 🏢 Description: On behalf of our client, a global, technology-driven enterprise, we are currently looking for an experienced QA Engineer. In this role, you will work closely with developers, product managers, and end-users to ensure the highest standards of software quality across the entire development lifecycle. The company builds highly complex, data-intensive applications where QA is treated as a core engineering discipline, rather than an afterthought. What you will be doing: Designing and executing comprehensive testing strategies, including functional, integration, regression, UI, and data validation testing. Actively identifying software defects and providing actionable feedback on product usability. Creating and maintaining test automation scripts, as well as participating in peer code reviews. Collaborating directly with business stakeholders to gather, understand, and refine requirements. Taking part in agile ceremonies and technical brainstorming sessions. Identifying potential technical risks early in the development pipeline. Mentoring the team on QA best practices and optimizing internal developer testing frameworks. Assisting with the creation of internal documentation and helping train end-users on new application features. What is expected of you: At least 3 years of commercial experience in a Software QA / Testing role. Solid coding skills in Python, Java, or C# . You should be comfortable reading code, writing scripts, and getting your hands dirty to effectively "break" applications. Actively using AI tools (such as GitHub Copilot, Claude, Codex, etc.) on a daily basis to accelerate your coding, write better tests, and quickly learn new platforms. Practical knowledge of test automation frameworks and integrating tests into CI/CD pipelines. Proficiency with version control systems (e.g., Git ). Strong analytical mindset, great time management, and a highly adaptable, problem-solving attitude. Eagerness to learn new platforms and technologies quickly. What our client offers: Hybrid work model in Warsaw (minimum 3 days a week in the office - strictly non-negotiable). Contract of Employment (UoP) with increased tax-deductible costs ( KUP ). Annual performance bonus . Private medical care (including full dental care). Lunch card to cover your daily meals. Multisport card .

Technology

Yard Corporate

QA Engineer

Mid

Hybrid

Warsaw, Poland

27,000 - 35,000 PLN

🏢 Summary: The offer is for an experienced QA Engineer responsible for ensuring high software quality in complex, data-intensive applications across the full development lifecycle. The role combines manual and automated testing, close collaboration with developers and stakeholders, and active contribution to CI/CD and internal testing frameworks. It requires strong coding abilities and daily use of AI tools to enhance testing efficiency and code quality. 🗂️ Requirements: Minimum 3 years commercial experience in Software QA/Testing, Strong coding skills in Python, Java, or C#, Experience designing and executing functional, integration, regression, UI, and data validation tests, Practical experience with test automation frameworks, Experience integrating automated tests into CI/CD pipelines, Proficiency with Git, Ability to read and analyze application code, Experience using AI coding tools (e.g. Copilot, Claude, Codex) 📃 Skills: Python, Java, C#, Git, CI/CD, AI, Copilot, Claude, Codex, Automation, Testing 🏢 Description: On behalf of our client, a global, technology-driven enterprise, we are currently looking for an experienced QA Engineer. In this role, you will work closely with developers, product managers, and end-users to ensure the highest standards of software quality across the entire development lifecycle. The company builds highly complex, data-intensive applications where QA is treated as a core engineering discipline, rather than an afterthought. What you will be doing: Designing and executing comprehensive testing strategies, including functional, integration, regression, UI, and data validation testing. Actively identifying software defects and providing actionable feedback on product usability. Creating and maintaining test automation scripts, as well as participating in peer code reviews. Collaborating directly with business stakeholders to gather, understand, and refine requirements. Taking part in agile ceremonies and technical brainstorming sessions. Identifying potential technical risks early in the development pipeline. Mentoring the team on QA best practices and optimizing internal developer testing frameworks. Assisting with the creation of internal documentation and helping train end-users on new application features. What is expected of you: At least 3 years of commercial experience in a Software QA / Testing role. Solid coding skills in Python, Java, or C# . You should be comfortable reading code, writing scripts, and getting your hands dirty to effectively "break" applications. Actively using AI tools (such as GitHub Copilot, Claude, Codex, etc.) on a daily basis to accelerate your coding, write better tests, and quickly learn new platforms. Practical knowledge of test automation frameworks and integrating tests into CI/CD pipelines. Proficiency with version control systems (e.g., Git ). Strong analytical mindset, great time management, and a highly adaptable, problem-solving attitude. Eagerness to learn new platforms and technologies quickly. What our client offers: Hybrid work model in Warsaw (minimum 3 days a week in the office - strictly non-negotiable). Contract of Employment (UoP) with increased tax-deductible costs ( KUP ). Annual performance bonus . Private medical care (including full dental care). Lunch card to cover your daily meals. Multisport card .

Technology

Vecten

Backend Engineer (Python & Django)

Mid

Remote

Warsaw, Poland

18,000 - 24,000 PLN

🏢 Summary: Development and maintenance of dynamic web applications using Python and Django for a leading German telecommunications and IT distributor. The role focuses on building server-side rendered applications with modern frontend styling and seamless UX, while ensuring high quality through CI/CD and monitoring practices. You will collaborate closely with design and backend to deliver scalable, production-ready solutions. 🗂️ Requirements: Proficiency in Python, Strong knowledge of Django framework internals, Experience with HTMX, Proficiency in HTML, Proficiency in CSS, Experience with SSR, Good knowledge of Tailwind CSS, Experience with PostgreSQL or other relational databases, Experience with CI/CD pipelines, Experience with CircleCI, Knowledge of Sentry, Ability to develop and maintain dynamic web applications using Django 📃 Skills: Python, Django, HTMX, HTML, CSS, Tailwind, PostgreSQL, CircleCI, Sentry, SSR, CICD 🏢 Description: We are an AI-native data and technology partner for private capital and healthcare. Founded in 2010 and headquartered in Warsaw, we work with leading PE firms, VC funds, and healthcare organizations to build proprietary data infrastructure, deploy AI solutions, and drive AI-native transformation. Our clients manage a cumulative $210B+ in assets. Our average engagement runs five years. Our NPS sits above 80. We don't need to claim credibility — we can show it. We've also done to ourselves what we now do for clients. We've restructured our own company around AI — tools, policies, roles, delivery models. This isn't a pitch. It's a playbook we've already run, and we're hiring the engineers who will run it for others. The Project: Our client is one of the leading players in the German telecommunications and IT distribution market. With a broad portfolio of products and strong partnerships with major network operators, the company has built a reputation for reliability, innovation, and outstanding service. Recognized multiple times by industry leaders, they continue to grow by embracing new technologies and delivering top-tier solutions to a wide range of business partners. The ideal candidate will be well-organized, eager to learn and adapt, and driven to tackle complex challenges. Most importantly, you’ll thrive in a collaborative, team-oriented environment! Your Responsibilities: Co-develop and co-maintain web applications using Python and Django Crafting beautiful UI and styling the web application using Tailwind CSS Develop and maintain dynamic web applications using HTMX with the Django framework Implementing and integrating more compound web components Ensure consistent application of UX best practices to deliver intuitive and user-centered interfaces Close collaboration with the team (Designer and Backend Engineer) to make sure implementation meets requirements Implement CI/CD pipelines using CircleCI Monitor and debug issues using Sentry Attention to detail and sense of aesthetics, from clean code to beautiful UI Required Skills & Experience: Proficiency in HTML, and CSS and SSR Good knowledge of Tailwind CSS Good understanding of Django framework internals Proficiency in Python Experience with HTMX Experience with PostgreSQL or other relational databases Experience working with CI/CD pipelines (CircleCI) Knowledge of Sentry for monitoring and debugging Problem-solving mindset, ability to work both independently and within a team Excellent command in spoken and written English, at least C1 Nice to Have: Advanced knowledge of Docker and daily hands-on experience SQL proficiency for debugging and performance optimization Basic knowledge of Agile/Scrum methodology What We Offer: Work with a talented team redefining the global perception of Poland Flexible working hours and remote work options Comfortable office in central Warsaw with all essential tools (MacBook, external monitor, ergonomic chairs) Fully equipped kitchen with fresh fruit, hot & cold beverages Multisport card & private medical care A culture of feedback – evaluation meetings, mentoring, and career growth opportunities Support for continuous learning – we encourage and invest in the professional development of our engineers Sounds like a perfect place for you? Don’t hesitate to click apply and submit your application today!