Senior Software Engineer - React / React Native
Core
Senior Software Engineer enhancing the foundational React Native platform, shared codebase, and tooling for FanDuel's Sportsbook mobile applications to improve performance, scalability, and developer experience.
Role type
Senior IC mobile platform engineer (React Native)
Builds
Production React Native mobile applications and shared engineering frameworks for the Sportsbook
Domain
Mobile gaming / Sports betting / React Native ecosystem
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
React Native, TypeScript, React architecture, performance profiling, native module bridging, CI/CD pipelines, Agile methodologies
Preferred skills
Native Android (Kotlin/Java) or iOS (Swift) development, mentoring, technical design leadership
Technologies
React Native, TypeScript, React, Kotlin, Java, Swift, CI/CD
Responsibilities
Enhancing core React Native codebase for performance and maintainability; Profiling and optimizing app startup and runtime performance; Building and maintaining shared frameworks and tooling; Improving developer experience via tooling and documentation; Contributing to technical design discussions; Participating in on-call incident response
Seniority
Senior, hands-on IC with mentorship responsibilities
