Senior React Native Engineer for Scalable Fantasy Sports

Worky; San Francisco (CA); On-site; USD 180,000 - 235,000; Full time

Benefits offered by this job

Medical

Dental

PTO

401k

Job summary

Sleeper is seeking a senior mobile developer to own the mobile app for its fantasy sports platform, built with React Native and TypeScript. You will focus on scalability, reliability, and quality to support millions of users daily.

Join a fast-growing team, collaborating with designers and engineers to deliver new features, improve performance, and maintain a high-quality mobile experience in a dynamic environment.

Qualifications

• 4+ years of mobile application development experience, with React Native as the primary framework.
• Bachelor's degree in Computer Science or equivalent experience.

Responsibilities

• Collaborate with designers to translate user requirements into technical specs for the fantasy sports product.
• Write clean, maintainable code using React Native, TypeScript, and related libraries (React Query, Navigation, Reanimated).
• Troubleshoot performance, socket, data caching issues; develop reusable UI components and a well-structured component hierarchy.
• Integrate front-end components with back-end services via RESTful or GraphQL APIs.
• Stay up-to-date on React Native advances and accessibility guidelines.

Skills

Mobile development

Team collaboration

Problem solving

Software design

Education

Bachelor's degree in Computer Science

Tools

React Native

TypeScript

React Query

React Navigation

Reanimated

Job description

Sleeper is seeking a senior mobile developer to own the mobile app for its fantasy sports platform, built with React Native and TypeScript. You will focus on scalability, reliability, and quality to support millions of users daily.

Join a fast-growing team, collaborating with designers and engineers to deliver new features, improve performance, and maintain a high-quality mobile experience in a dynamic environment.