{"id":3153563,"url":"https://alion.io/job/hartwig-medical-foundation-junior-software-developer","title":"Junior Software Developer","company":{"id":2066354,"name":"Hartwig Medical Foundation","domain":"hartwigmedicalfoundation.nl","url":"https://alion.io/company/hartwigmedicalfoundation","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Personio","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Amsterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":3500,"max":4500,"currency":"EUR","period":"month","gross":true,"usd_annual":60576},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Kotlin","optional":false}],"status":"live","first_seen_at":"2026-10-20T16:04:32Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-28T12:00:17Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Your mission\nHartwig is working to unlock the value of patient data for better care through interactive analytics and database services. One such product is CNXT, a platform that gives researchers and clinicians intuitive access to insights derived from the Hartwig Medical Database. As Junior Software Developer you combine hands-on software development and collaboration with our INFRA team with product ownership of Database services: translating the needs of researchers, clinicians and other stakeholders into a clear product roadmap towards a federated infrastructure.\nYou report to the Data Lead and work closely with colleagues from data, bioinformatics, governance and infrastructure, as well as with clinicians and pathology experts. You participate in relevant planning and discussion meetings.\nYour profile\n What you’ll doContribute directly to the design, development and maintenance of our Database products as a software developer.\nGrow into a Product Owner role for our Database products (like CNXT): define, prioritize and maintain the product backlog, translating research and clinical decision support needs into user stories, requirements and acceptance criteria.\nGather and incorporate feedback from researchers, clinicians and other stakeholders (biotech, federation partners) to continuously improve usability and analytical value.\nPlan and coordinate releases and improvements of CNXT, balancing feasibility, timelines and stakeholder priorities.\nCollaborate with colleagues across technical and data teams to ensure CNXT accurately, reliably and securely surfaces Hartwig Medical Database data, in line with Hartwig’s quality, security and data governance standards.\nDocument product decisions, functionality and known issues\nSupport the onboarding and training of CNXT users.\nWho you are\nYou hold an MSc or PhD in Data Science, Computer Science, Bioinformatics or another relevant computational discipline.\nYou have demonstrable experience in software development, preferably using Java and/or Kotlin.\nYou have affinity with, or are willing to grow into, a Product Owner role.\nYou work in an analytical and structured way and can translate complex data and stakeholder needs into a clear product vision.\nYou have strong communication skills and can bridge technical, scientific and clinical audiences.\nYou are proficient in English (spoken and written); Dutch is a plus.\nYou are curious, proactive and eager to learn.\nYou feel comfortable working in a small, fast-moving team with a high degree of ownership.\nExperience with genomics and/or (cancer) clinical data is preferred but not required.\nWhy us?\nA meaningful position (32-40 hours per week) within a mission-driven, non-profit organization. \nThe opportunity to work at the intersection of life sciences, data and technology in a rapidly evolving field. \nA collaborative, open and informal working environment where knowledge sharing and initiative are encouraged. \nA monthly salary between € 3,500 and € 4,500 gross, based on experience and skills. \n26 vacation days (based on full-time employment). \nA pension plan to which Hartwig Medical Foundation contributes two-thirds of the premium. \nComplimentary office lunches on Tuesdays and Thursdays, Friday afternoon drinks, and annual team events.","description_format":"text","description_chars":3279,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Bioinformatics","Genomics & Genetic Testing","Precision Medicine"],"lifecycle":[{"event":"open","at":"2026-10-23T13:36:20Z"}],"visa":[],"liveness":{"score":77,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.855,"p_room":0.9,"age_days":7,"expected_fill_days":21,"reasons":["conf:3","win:mid","comp:junior"],"computed_at":"2026-10-28T05:59:10Z"},"pay":{"stated_usd_annual":60576,"is_top_pay":false},"html_url":"https://alion.io/job/hartwig-medical-foundation-junior-software-developer","json_url":"https://alion.io/job/hartwig-medical-foundation-junior-software-developer.json","meta":{"generated_at":"2026-10-28T14:12:14Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":19365,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2066354},"rest":"https://alion.io/mcp/rest/get_company?id=2066354"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhartwig-medical-foundation-junior-software-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhartwig-medical-foundation-junior-software-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhartwig-medical-foundation-junior-software-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/hartwig-medical-foundation-junior-software-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhartwig-medical-foundation-junior-software-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3153563}},{"tool":"search_jobs","arguments":{"company":"hartwigmedicalfoundation.nl","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3153563},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); 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