Quality & Data Intern (m/f/d) – Mandatory Internship / Prácticas

What you'll do

Test our computer vision in the real world

• Test camera-based jaw tracking across devices, lighting, faces, glasses and beards
• Find the conditions where measurements break, and help the team fix them

Own app quality

• Own the release checklist for every iOS and Android build
• Test accessibility, German texts, performance, slow networks and offline use
• Write clear bug reports in Linear, with steps to reproduce and evidence
• Keep test evidence documented, as our product requires

Keep our data trustworthy

• Review the daily data-quality checks across Amplitude, AppsFlyer, RevenueCat and BigQuery, and investigate what they flag
• Find out why two tools disagree, and get it fixed
• Keep our tracking plan in sync with what the app actually sends

Automate with AI

• Use AI tools to write automated tests (Maestro), generate test cases and run checks
• Review what AI produces: you are the person who decides whether it is right

What you bring

• Enrolled at an EU university with a mandatory internship in your study regulations, or at a Spanish university that signs a convenio for prácticas
• Available 20 to 40 hours a week, remote, as your university allows
• Fluent in English (the app is in German; the team works in English)
• Solid SQL
• A structured, curious way of testing: you find the edge cases others miss
• You already use AI tools (Claude, ChatGPT, Cursor or similar) in your daily work

Nice to have

• Test automation (Maestro, Detox, Appium)
• Accessibility (WCAG, VoiceOver, TalkBack)
• Product analytics (Amplitude, Mixpanel, GA4) or attribution (AppsFlyer)
• dbt or Dataform, Git, Python
• Interest in computer vision, health tech or medical device quality

What we offer

• Compensation: €300 per month
• Real ownership: you own the release checklist, and when you say a build isn't ready, we listen
• Work with AI from day one: you learn how to run quality at scale with AI, a skill few people have yet
• Rare experience: computer vision, health data and quality in a health product, all in one role
• Mentorship: a weekly 1:1 with our CTO
• Hours that fit your studies: 20 to 40 hours a week, as your university requires

How we hire

• Send your CV and your university document (internship requirement, or confirmation that your university can sign a convenio).
• A 30-minute call with our team.
• A short trial task: we send you a test build of the app, and you spend about 2 hours finding and reporting what's wrong. Use any AI tools you like.
• A final conversation, and an offer within a week.

Details

• Type: mandatory internship (EU university) or prácticas (Spanish university)
• Hours: 20–40 per week, depending on your university
• Location: remote within the EU
• Compensation: €300 per month
• Start: as soon as possible; prácticas in Spain from December 2026

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Posted Nov 03, 2026

Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation