AI Engineer in Healthcare Startup in Zürich; remote

We are a team of entrepreneurs, psychologists, and engineers bringing joy back to therapy. At Playn Voice, we are reshaping mental health care by combining AI with clinical expertise to make documentation a breeze. In under 2 years, our AI scribe has gone from concept to reality, gaining 500+ users in Switzerland and Germany. We are generating over 20,000 patient notes monthly.

We are looking for entrepreneurs; fast, ambitious, and smart individuals who want to take care of the people who take care of our mental health.

• Prompt Engineering & Pipeline Management: Design, iterate, and maintain prompt systems that reliably generate high-quality clinical documentation across a growing number of templates. Build scalable prompt architectures that let us add new output formats without fragmentation.
• Evaluate & Integrate AI Models: Benchmark and select the best LLM solutions for clinical documentation. Stay on top of the rapidly evolving model landscape and assess new options.
• Build Evaluation Pipelines: Design practical evaluation processes across our data pipeline from audio and transcription to LLM-generated output. The goal isn't perfection but knowing when output is good enough.
• Ensure Clinical Output Quality: Work closely with our psychologists and product team to define what "good" looks like, ensuring features meet the real-world expectations of users.
• Experiment, Ship, Iterate: Design experiments and data labeling strategies, push them to production, measure real-world performance, and use the insights to drive the next iteration.

• Prompt Engineering & LLM Expertise: 2+ years of deep experience in systematic prompt engineering, building structured prompt systems that produce reliable outputs at scale.
• Software Engineering Foundation: Solid engineering skills in Python and cloud infrastructure (we run on Azure). You build reliable, production-grade systems, not just notebooks.
• German Language
  
  Skills:
  
  You need to understand Swiss German to sanity check AI-generated notes against the original audio. Strong High German for evaluating written clinical output.
• Pragmatic Startup Mindset: You know that good enough is good enough. You ship fast, iterate based on real-world feedback, and resist over‑engineering. Ideally you've worked in an early‑stage SaaS company.
• Clear Communicator: Our team works in English day‑to‑day. You can articulate technical decisions and collaborate effectively across functions.

• Real Impact, Fast: 500+ therapists use our product daily, your work improves their lives within days, not quarters.
• Unique Problem Domain:
  Clinical AI at the intersection of Swiss German speech, mental health, and regulatory requirements.
• Massive Ownership: A team of ~10 means your decisions shape the product directly.
• Flexibility:
  Remote‑first with flexible hours and a coworking space in Zürich when you want it.
• Equity:
  Meaningful stake in a high‑growth healthtech company.

Please send your CV and 5-10 sentences about why Playn Voice, generic applications won't be considered.