FitXR is building a love of movement for everyone. We focus on fitness for the 96% of people who don’t go to the gym and are not yet building habits around fitness. Operated at the intersection of spatial and wearable AI, we create experiences that make exercise genuinely fun and inclusive.

With over 100,000 users, we have product-market fit, are profitable, and are scaling. This role is fully remote from the UK, East Coast US or Spain.

What you’ll be doing

• Research – Get to know users better than anyone. Build custom tools that pull signal from a wide range of sources – reviews, communities, behavioral data – synthesize it fast and use it to stay laser-focused on the changes that actually help people build a fitness habit and hit their goals.
• Prototype – Rapidly turn problems and opportunities from research into lo‑fi prototypes. Use the right AI tooling to go from insight to something testable incredibly quickly.
• Validate – En...