{"id":1287452,"url":"https://alion.io/job/data4life-senior-full-stack-developer-fmx","title":"Senior Full-Stack Developer (f/m/x)","company":{"id":1935041,"name":"Data4Life","domain":"data4life.care","url":"https://alion.io/company/data4life","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-09-30T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berlin, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":77000,"max_usd":138000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":57},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Docker","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-03-24T12:05:45Z","employer_posted_date":"2026-03-24","last_verified_at":"2026-09-30T11:51:15Z","board_verified":true,"closed_at":null,"days_open":190,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":189},"description":"Hi there!\nAt Data4Life, we develop secure, standards-compliant digital health solutions that empower researchers and public health institutions to advance evidence-based medicine. As a nonprofit supported by the Hasso Plattner Foundation, we build scalable research infrastructures - supporting international standards such as FHIR and OMOP - and collaborate with some of the world's leading clinical institutions.\nAs a Senior Full-Stack Engineer, you will work on a medical image annotation application built in collaboration with Mount Sinai Health System in New York, one of the largest and most respected academic medical centers in the United States. Your code will support clinical researchers working with real patient data at scale.\nYour future role\nDesign, build, and ship high-quality frontend and backend features - writing accessible, performant, maintainable, and well-tested code.\n\nContribute to software design and architecture decisions, and take part in code reviews across the full stack.\n\nWork closely with designers, QA, and product management as part of an integrated team to deliver well-crafted, user-centered software.\nEngage directly with customers and users - joining feedback sessions and user research to build a deep, end-to-end understanding of the product and the problems it solves.\nDesign with security at the core - shaping authorization concepts and data protection architecture from the ground up, including the documentation that supports review and sign-off by our clinical partners.\n\nWhat you need to succeed\nA university degree in Computer Science, Software Engineering, or a related discipline.\n\n3+ years of professional experience as a software engineer or full-stack developer, or equivalent experience.\n\nStrong frontend skills: deep fluency in HTML, CSS, and JavaScript/TypeScript, with hands-on experience in React or equivalent.\nSolid backend experience: proficiency in Go (Golang), Kubernetes, and Docker, or equivalent.\nExperience with relational databases; we use PostgreSQL.\nProfessional written and spoken English, German language skills a plus.\n\nWhy you will love working with us\nHigh level of personal responsibility and creative freedom\nWork on socially impactful projects in the healthcare sector\nCollaboration with leading partners from research, technology, and healthcare\nA diverse, interdisciplinary, and international team working across three locations (Potsdam, Berlin, and Singapore)\nFlexible working models with the option to work from home\nPermanent employment contract with 30 days of vacation\nAttractive employee benefits, e.g. private supplementary health insurance, public transport ticket\nGood to know\nWe particularly welcome applications from members of the LGBTQI+ community, individuals with a migration background, people of color, and people with disabilities or chronic illnesses.If you require any accommodations or specific assistance during the application or interview process due to a disability, please let us know. We will do our best to support you.\nPlease include the relevant documents with your application (CV/résumé, certificates if applicable, earliest possible start date, and your current notice period).","description_format":"text","description_chars":3196,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"German","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Health Care","Professional Services","Nonprofits & Foundations"],"lifecycle":[{"event":"open","at":"2026-09-26T05:47:12Z"}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.188,"p_room":0.28,"age_days":189,"expected_fill_days":23,"reasons":["conf:8","win:tail","crowd:"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/data4life-senior-full-stack-developer-fmx","json_url":"https://alion.io/job/data4life-senior-full-stack-developer-fmx.json","meta":{"generated_at":"2026-10-01T01:20:07Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":890,"day_limit":5000,"remaining_today":4110,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}