Location
braga, braga, Portugal
Posted
July 23, 2026
Job Description
Overview
We build an AI movement analysis platform that extracts real performance data from smartphone video in real time. Our dataset spans 82,000 users across 190 countries, trained on real-world conditions, not labs. We are launching three product tracks in August 2026 and need a back-end engineer who can hold infrastructure together under real delivery pressure.
Responsibilities
- The shared back-end infrastructure supporting our mobile app (B2C), our B2B solution, and the AI/ML layer
- Database design and performance as we scale across product tracks
- Authentication, API architecture, and the connections between front end, back end, and ML systems
- Reliability and maintainability: you will be one of two back-end engineers, so your work has direct impact
Qualifications
- 3–6 years back-end experience, with at least 2 years on mobile app back ends
- Strong foundations in API design, database mo...