Senior Frontend/Mobile Engineering
Core
Build and scale the frontend for a social sports betting app used by thousands of daily users, covering both mobile and web surfaces.
Role type
Senior Frontend Engineer (React/React Native)
Builds
React Native mobile app and React web app for sports betting
Domain
Sports betting / Fintech
Deliverable
product features
Required skills
React, React Native, component design, page architecture, frontend performance optimization, analytics instrumentation, software engineering fundamentals
Preferred skills
Expo, Node.js, AWS, MongoDB, AI coding tools (Claude Code, Cursor), startup experience, sports interest
Technologies
React, React Native, Expo, Node, AWS, MongoDB
Responsibilities
Build and scale core features across mobile and web apps, own frontend architecture decisions, translate product/design vision into performant UIs, instrument builds with analytics, improve app performance, identify and remove shipping bottlenecks, set frontend quality standards
Seniority
Senior, hands-on IC