J
Quality & Data Intern (m/f/d) – Mandatory Internship / Prácticas
Contract type
One-time
Work mode
Remote · EU
Experience
Junior / entry level · Not stated
Level inferred from job title
Job description
A quality-focused internship at a health-tech app company, testing computer vision jaw tracking and app quality, keeping analytics data trustworthy, and using AI to automate checks. It is offered as a mandatory EU university internship or a Spanish university prácticas.
At a glance
- Employment
- Internship
- Work mode
- Remote · EU
- Languages
- English – fluent
- Pay
- EUR 300 / month
What you'll do
- 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 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
- 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
- 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 we're looking for
- 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
Benefits
- 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 to get hired
- 1Send your CV and your university document (internship requirement, or confirmation that your university can sign a convenio)
- 2A 30-minute call with our team
- 3A 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
- 4A final conversation, and an offer within a week
Apply
About JawBuddy
Guided exercise app for jaw pain, teeth grinding and TMJ problems
JawBuddy helps people with jaw pain, teeth grinding and TMJ problems through a guided exercise app. Our app measures jaw movement through the phone camera using computer vision and AR, so users see their progress in real numbers. We are a small, funded health-tech team with paying customers in Germany. Next up: a B2B platform release in early 2027.
Key facts
- health-tech
- Small, funded health-tech team
- Paying customers in Germany
- B2B platform release planned for early 2027
