React Native Mobile Design Engineer - Motion & UI

Kraken; Portugal; Remote; EUR 60,000 - 90,000; Full time

Job summary

Kraken is hiring for a mobile-focused role on a React Native codebase. You will own the motion and interaction layer, including easing, springs, gestures, and sound, while shaping the design system and bridging to native when needed.

You will collaborate with designers to elevate motion, profile rendering performance on lower-end devices, and influence UI responsiveness through architecture and data flow decisions.

Qualifications

• Strong React Native experience with a focus on UI/UX fidelity.
• Experience with animation systems and motion design in mobile apps.
• Ability to profile and optimize rendering performance on mobile devices.

Responsibilities

• Own the motion and interaction layer of the Kraken app, including easing, springs, gestures, transitions, haptics, and sound.
• Evolve the mobile design system by owning components and standards used by engineers.
• Partner with product designers to elevate motion and interaction design from concept to implementation.
• Profile and optimize rendering performance, especially on lower-end Android devices.
• Contribute to architectural decisions affecting UI responsiveness (state management, render cycles, data flow).
• Raise the bar for great mobile experiences by writing pattern guidelines.

Skills

React Native

Reanimated

Skia

Performance profiling

TypeScript

Tools

Git

Figma

Job description

Kraken is hiring for a mobile-focused role on a React Native codebase. You will own the motion and interaction layer, including easing, springs, gestures, and sound, while shaping the design system and bridging to native when needed.

You will collaborate with designers to elevate motion, profile rendering performance on lower-end devices, and influence UI responsiveness through architecture and data flow decisions.