{"id":2016142,"url":"https://alion.io/job/voize-senior-fullstack-engineer-mfd-ai-health-tech","title":"Senior Fullstack Engineer (m/f/d) - AI Health tech","company":{"id":6593,"name":"voize","domain":"voize.com","url":"https://alion.io/company/voize","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":81,"open_postings":12,"ghost_share":0,"stale_share":0.667,"repost_share":0.167,"time_to_fill_p50_days":35,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Berlin, Germany","Dortmund, Germany","Frankfurt am Main, Germany","Göttingen, Germany","Karlsruhe, Germany","Munich, Germany","Cologne, Germany","Hamburg, Germany"],"countries":["DE"],"hiring_countries":["DE"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":67000,"max_usd":134000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":18},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"CI/CD","optional":false},{"name":"ETL/ELT","optional":false},{"name":"GDPR","optional":false},{"name":"HIPAA","optional":false},{"name":"Kotlin","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-07T12:47:41Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-15T07:55:34Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Why voize? Because we’re more than just a job!\nAt voize, we believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to busywork and complex systems that pull them away from what matters most: people.\nOur vision is to change that by building AI companions that seamlessly take over digital workflows. We don’t replace humans with technology - we amplify their impact.\nOur mission is backed with a $50M Series A funding led by Balderton Capital, with support from HV Capital, Y Combinator and other leading VCs. Today, 2,000+ facilities trust voize, and over 200,000 users rely on our AI companion to ease their daily workload.\nAs a dynamic team, we combine first-in-class technology with meaningful social impact. And now, we’re looking for you to join us on this mission!\nYour Mission\nAs a Senior Fullstack Engineer - Freelance at voize, you will be a co-owner of voize's ML App - the in-house platform for annotation, data exploration, ML training orchestration, model evaluation, and the HIPAA-bearing data flows that move PHI from customer to model. Make in-house tooling good enough that revisiting Labelbox/Encord-style vendors is permanently off the table, and unblock HIPAA-compliant training on US customer data.\nYour Daily Business - No two days are alike\nCo-own the ML App codebase (React/TS SPA + Kotlin services + Kotlin ETL on EKS)\n\nDesign and ship features for data labelling, data exploration, ML training orchestration, model evaluation, model playgrounds, and ML-issue triage\n\nDrive the next iteration of in-house annotation tooling - UX, throughput, task-type extensibility - to the bar where vendor revisits are unnecessary\n\nMaintain CI/CD, EKS deploys, and LGTM-stack observability for ML App; triage and fix defects\n\nPair with the Platform team on platform-side prerequisites (FGA proxy, OIDC) that the new training flows depend on\n\nYour Skillset - What you bring to the table\n5+ years building production fullstack web apps with React + TypeScript\n\nExcellent Kotlin (or JVM) backend experience - services, ETL/data pipelines, schema design\n\nDemonstrated ownership of a complex, production-critical system\n\nComfortable engineering with regulated / sensitive data (HIPAA, GDPR, BAA, PHI, or similar)\n\nStrong product / UX instincts (annotation, labeling, data exploration, ops UI)\n\nGrowing together - what you can expect at voize\nWe are a fast-growing startup, that means you will tackle challenges, grow quickly, and make a real impact, giving frontline workers more time for people\n\nWe foster an open, collaborative culture with regular team events, whether you work from our Berlin office or remotely across Germany\n\nBecome a co-creator of our success with stock options\n\nGenerous perks: 30 vacation days plus your birthday off, Germany Transport Ticket, Urban Sports Club, regular company off-sites, and access to learning platforms such as Blinkist and Audible, plus free language courses\n\nYou decide when you work best, that means flexible working hours and a good hybrid set-up.\n\nReady to talk? Apply now!\nWe look forward to your application and can’t wait to meet you - no matter who you are or what background you have!","description_format":"text","description_chars":3212,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Stock options"],"hiring_locations":[{"name":"Germany","iso":"DE","kind":"country"},{"name":"Berlin","iso":null,"kind":"city"},{"name":"Munich","iso":null,"kind":"city"},{"name":"Hamburg","iso":null,"kind":"city"},{"name":"Frankfurt am Main","iso":null,"kind":"city"},{"name":"Cologne","iso":null,"kind":"city"},{"name":"Karlsruhe","iso":null,"kind":"city"},{"name":"Dortmund","iso":null,"kind":"city"},{"name":"Göttingen","iso":null,"kind":"city"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Speech & Audio AI","Medical AI","EHR & Clinical Software"],"lifecycle":[{"event":"open","at":"2026-10-07T13:11:02Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":7,"expected_fill_days":35,"reasons":["conf:1","stale_co","velocity","win:early"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/voize-senior-fullstack-engineer-mfd-ai-health-tech","json_url":"https://alion.io/job/voize-senior-fullstack-engineer-mfd-ai-health-tech.json","meta":{"generated_at":"2026-10-15T10:49:51Z","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":16544,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":6593},"rest":"https://alion.io/mcp/rest/get_company?id=6593"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvoize-senior-fullstack-engineer-mfd-ai-health-tech"},{"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%2Fvoize-senior-fullstack-engineer-mfd-ai-health-tech"},{"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%2Fvoize-senior-fullstack-engineer-mfd-ai-health-tech"},{"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/voize-senior-fullstack-engineer-mfd-ai-health-tech\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvoize-senior-fullstack-engineer-mfd-ai-health-tech"}]}