Mobile UI/Design Engineer

Job Description Roles & Responsibilities The team The Consumer Mobile team builds the Kraken app the interface millions of people use to interact with their money. We work in React Native and care deeply about how the product feels, not just whether it functions. A trade confirmation should feel instantaneous. A portfolio should feel alive. Navigation should feel effortless. These details directly impact trust, and trust is everything in crypto. The opportunity Own the craft layer of our React Native mobile experience fluid, gesture-driven interactions and transitions that feel native, not web-in-a-wrapper Push React Native beyond its defaults Reanimated, Skia, native module bridges when the abstraction isn't enough Partner closely with product designers, challenging and elevating motion and interaction design from concept through implementation Establish animation primitives and interaction patterns within our design system that other engineers build on your work becomes the quality floor for the team Profile and optimise rendering performance, especially on lower-end Android devices where frame drops are unforgivable Contribute to architectural decisions that affect UI responsiveness: state management, render cycles, and data flow into the view layer Mentor engineers on interaction quality and raise the standard for what "done" looks like across the mobile org Skills you should HODL Deep, demonstrable experience building polished mobile interfaces in React Native you know Reanimated well, you've fought with gesture handlers, and you've profiled JS thread vs UI thread performance and won A trained eye for interaction design you notice when an easing curve is wrong, you have opinions about spring physics, and you understand that 60fps isn't a target, it's a constraint Experience with modern AI development tooling (Cursor, Copilot, or similar) as a natural part of how you build not as a novelty, but as a multiplier Strong written and verbal communication skills in English Desired Candidate Profile Deep, demonstrable experience building polished mobile interfaces in React Native you know Reanimated well, you've fought with gesture handlers, and you've profiled JS thread vs UI thread performance and won A trained eye for interaction design you notice when an easing curve is wrong, you have opinions about spring physics, and you understand that 60fps isn't a target, it's a constraint A portfolio or demo reel of shipped work is a hard requirement a personal site, video walkthrough, GitHub interaction demos, or screen captures of work you're proud of. If we can't see your craft, we can't evaluate it Experience with modern AI development tooling (Cursor, Copilot, or similar) as a natural part of how you build not as a novelty, but as a multiplier Strong written and verbal communication skills in English Company Industry MediaPublishingTVRadioOutdoorDigital Department / Functional Area IT Software Keywords Mobile UI/Design Engineer Get real-time job updates only on our App