Senior Fullstack Engineer (m/f/d) - AI Health tech
Voize · 🌍 Berlin
Sponsorship verdict
No sponsorship evidence yet
No government record and no wording either way. Not a refusal — ask the recruiter.
- No government sponsor record hereThis employer posted directly and does not match a government sponsor register.
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- Can’t check pay against the visa rulesNo salary stated. Germany EU Blue Card needs at least €50,700 a year (shortage-occupation / recent-graduate: €45,934). Source: https://www.make-it-in-germany.com/en/visa-residence/types/eu-blue-card, rules effective 2026-01-01.
- Confirmed live todayWhen a source last listed this job as open.
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No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.
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Sponsor Radar — Voize
This employer posted directly and does not match a government sponsor register.
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About the role
🎤 Why voize? Because we’re more than just a job! At 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 . Our 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. Our 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. As 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! 💡 Your Mission As a Senior Fullstack Engineer 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. 🚀 Your Daily Business - No two days are alike • Co-own the ML App codebase (React/TS SPA + Kotlin services + Kotlin ETL on EKS) • Design and ship features for data labelling, data exploration, ML training orchestration , model evaluation, model playgrounds, and ML-issue triage • Drive the next iteration of in-house annotation tooling - UX, throughput, task-type extensibility - to the bar where vendor revisits are unnecessary • Maintain CI/CD, EKS deploys, and LGTM-stack observability for ML App ; triage and fix defects • Pair with the Platform team on platform-side prerequisites (FGA proxy, OIDC) that the new training flows depend on 🤝 Your Skillset - What you bring to the table • 5+ years building production fullstack web apps with React + TypeScript • Excellent Kotlin (or JVM) backend experience - services, ETL/data pipelines, schema design • Demonstrated ownership of a complex, production-critical system • Comfortable engineering with regulated / sensitive data (HIPAA, GDPR, BAA, PHI, or similar) • Strong product / UX instincts (annotation, labeling, data exploration, ops UI) 🌱 Growing together - what you can expect at voize • We 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 • We foster an open, collaborative culture with regular team events, whether you work from our Berlin office or remotely across Germany • Become a co-creator of our success with stock options • Generous 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 • You decide when you work best, that means flexible working hours and a good hybrid set-up. ✨ Ready to talk? Apply now! 🚀 We look forward to your application and can’t wait to meet you – no matter who you are or what background you have! Find more English Speaking Jobs in Germany on Arbeitnow