{"id":3841,"url":"https://alion.io/job/qed-ai-data-platform-engineer","title":"Data Platform Engineer","company":{"id":1618,"name":"QED.ai","domain":"qed.ai","url":"https://alion.io/company/qed-ai","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":95,"open_postings":23,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":234,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":56000,"max_usd":99000,"period":"year","method":"role_country_seniority_unknown","sample_n":361},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ClickHouse","optional":true},{"name":"Dagster","optional":true},{"name":"Dimensional Modeling","optional":true},{"name":"Django","optional":true},{"name":"Docker","optional":true},{"name":"ETL/ELT","optional":true},{"name":"Kubernetes","optional":true},{"name":"Python","optional":true},{"name":"Terraform","optional":true},{"name":"Unix","optional":true}],"status":"live","first_seen_at":"2025-12-22T06:54:28Z","employer_posted_date":"2025-12-22","last_verified_at":"2026-10-17T11:03:04Z","board_verified":true,"closed_at":null,"days_open":299,"trust":{"level":"ok","repost_count":1,"flags":["company_stale"],"days_open":298},"description":"QED (https://qed.ai) is a tech company focused on public health andfood 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.\nWe are looking for a mid/senior Data Platform Engineer (backend) to join our team in Warsaw. Desired skills include:\nexperience 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\n\nunderstanding of data pipeline reliability concepts, including idempotency, backfills, and handling late or corrected data\n\nability to structure data systems into clear layers (e.g. raw, cleaned, curated) and reason about their different purposes and guarantees\n\nexperience deciding between batch, micro-batch, and streaming approaches based on latency, correctness, and operational complexity\n\nstrong background in software engineering, version control, writing readable code and tests, robust design, and basic data structures and algorithms\n\nability to conceive logical software architectures and express yourself clearly, both verbally and in writing\n\nwillingness to tackle a wide array of problems and technologies\n\nwillingness to participate in regular design sessions, code reviews, and working in teams\n\ndevelopment primarily on UNIX-based or OSX-Darwin platforms\n\nworking proficiency (≥C1) in speaking, reading, and typing English (≥45 words per minute)\n\nwillingness and interest in working with people from other cultures\n\nemotional resilience and social intelligence\n\nand you have to care about the work that you do\n\nand you have to be optimistic at least sometimes, although pessimism tends to be useful\n\nBelow are additional skills that are a bonus, but are not required:\nunderstanding of analytical data modeling concepts, including how to transform raw data into analytics-ready datasets and define clear data semantics for downstream consumers\n\nexperience with Python, Django, DBT, Dagster, Luigi or Clickhouse\n\nexperience with containerization (Docker), Terraform, Kubernetes or Nix\n\nknowledge and experience with data warehousing, online analytical processing, metadata management, dimensional modeling, and relational database theory\n\nexperience with programming and/or math competitions\n\nproduct-oriented mindset\n\nwillingness to go on an adventure\n\ndomain knowledge and/or interest in the sustainable development goals, particularly in public health, agriculture, and assisting developing countries\n\nWhat can you expect:\nunusual, socially conscious projects\n\nsignificant ownership\n\na mix of product, internal platform, and client integration work\n\nability and encouragement to explore technologies other than your main expertise\n\noptional travel to learn more about problems we're trying to solve\n\nRequires 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. 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