Hevy is looking for a Senior Product Engineer who cares deeply about craft — someone who obsesses over pixel-perfect UI, fluid animations, and the small details that turn a good product into a great one. In this role, you’ll be the bridge between design and engineering, helping us build experiences that feel as good as they function. We’re a small, fast-moving team supporting millions of users across mobile and wearables. You’ll have a direct hand in shaping how athletes and fitness enthusiasts interact with Hevy every day — on their phones, web, their Apple Watch, and their Wear OS devices.
We’re a small, fast-moving team supporting millions of users, so your work will have a massive impact on both our product and our users.
What You’ll Do:
Build polished, high quality UI across our React Native app, iOS wearable, and WearOS wearable, and web platforms.
Work super closely with the Product and Design team to build and design the best fitness app on the market
Own and elevate the visual and interactive quality bar — animations, transitions, micro-interactions, and responsive layouts.
Collaborate closely with designers to translate Figma designs into experiences that are delightful to use.
Identify and solve frontend challenges
Work across the full product lifecycle — from early explorations to shipped, production features.
What We’re Looking For:
Fluent English
4+ years of experience building mobile apps with React Native.
A strong eye for design — you notice when something is 2px off and it bothers you.
Fluency with animation libraries (Reanimated, Lottie, or similar) and a track record of shipping smooth, performant UIs.
Comfort working directly with designers and contributing to design decisions, not just implementing them.
Excellent written and verbal communication skills — you can articulate tradeoffs clearly and give and receive feedback well.
Experience with at least one wearable platform (watchOS or WearOS) is a big plus.
Bonus: A passion for weightlifting, calisthenics, or fitness!
What We Offer:
Hybrid work setup (2 days a week in our awesome office)
24 days of vacation per year
The opportunity to work on a high-impact product with millions of active users
Yearly offsite (previously: Mexico, Canada, Mallorca, Portugal)
Relocation Available to our Barcelona office for the right candidate