TL;DR

Contract React Native Engineer (Mobile): Developing and shipping features for a generative fitness workout project with an accent on React Native, Expo, and TypeScript integration. Focus on implementing high-fidelity mobile UIs and collaborating on cross-platform systems for iOS and Android.

Location: Must be based in the UK

Company

FitXR is a fitness technology startup building immersive fitness experiences for VR and MR devices.

What you will do

  • Build and ship features in React Native with Expo for iOS and Android.
  • Implement high-fidelity mobile UI based on design specifications.
  • Collaborate with engineers on integration points between mobile and VR systems.
  • Contribute to planning and technical discussions for upcoming product features.

Requirements

  • Strong experience in React Native development is required.
  • Proficiency in Expo and TypeScript.
  • Proven ability to implement UI from design specifications.
  • Experience working within existing production codebases.
  • Effective communication and ability to work cross-functionally in a remote environment.

Nice to have

  • Experience with fitness, health, or consumer mobile applications.
  • Native mobile development experience with Swift or Kotlin.
  • Broader frontend experience across web and mobile platforms.
  • Experience working with synchronized audio and video in mobile applications.

Culture & Benefits

  • Contract duration: 8 weeks (outside IR35).
  • Remote work environment.
  • Focus on a learner’s mindset and team-first success.
  • Opportunity to work on a high-growth fitness product with global impact.