# Senior React Native Engineer

**Company:** [Sleeper](https://hotfix.jobs/companies/sleeper)
**Location:** San Francisco, CA
**Role:** Mobile Engineering
**Salary:** $180k – $235k/yr
**Experience:** 5+ years
**Skills:** React Native, TypeScript, React Query, React Navigation, Reanimated, REST APIs, GraphQL, Mobile Development, Ui Components, Data Caching, WebSockets, Accessibility
**Posted:** 2026-09-05

> Develop and improve a high-scale fantasy sports mobile application using React Native and TypeScript. The role requires at least four years of mobile development experience, strong software engineering skills, and the ability to build performant, reliable features.

## Job Description

## Responsibilities
- Collaborate with designers to understand user requirements and translate them into technical specifications for a fantasy sports product.
- Write clean, maintainable, and efficient code using React Native, TypeScript, and related libraries.
- Troubleshoot and debug complex performance, socket, data-caching, and other application issues.
- Develop reusable UI components and implement a well-structured component hierarchy.
- Integrate front-end components with back-end services using RESTful or GraphQL APIs.
- Stay current with React Native advancements, mobile development best practices, and accessibility guidelines.

## Requirements
- 4+ years of mobile application development experience, with React Native as the primary framework.
- Proven ability to develop and implement algorithms or systems in a professional setting.
- Strong coding skills and knowledge of software development best practices.
- Experience working in fast-paced, ambiguous environments within a large, established codebase.
- Bachelor's degree in Computer Science or equivalent experience.
- Active fantasy sports player.

## Compensation and Benefits
- Salary range: $180,000–$235,000 USD, based on experience.
- Medical, dental, paid time off, and 401(k) benefits.

## Similar jobs

- [Senior Mobile Engineer, Kotlin and Cross-Platform](https://hotfix.jobs/jobs/2de017c6-9201-47e4-80ab-c33c31493dfd) - Hiya - Seattle, WA - $170k – $228k/yr
- [Senior Mobile Product Engineer, Ambient AI](https://hotfix.jobs/jobs/c800d5d6-eb88-4009-8a4b-faf065c561e2) - Commure - Mountain View, CA - $170k – $230k/yr
- [Senior Mobile App Engineer](https://hotfix.jobs/jobs/b4f88e74-11fc-4339-aca9-299797e9e4b0) - Beacon Biosignals - Remote - $170k – $190k/yr
- [Senior Mobile Engineer](https://hotfix.jobs/jobs/f334d7da-6892-447b-a36c-c6630c66b073) - Rula - Remote - $166k – $203k/yr
- [Lead Mobile Engineer, Performance](https://hotfix.jobs/jobs/de05be4f-741c-4df1-8fb2-59529e687cd0) - Polymarket - New York, NY

**Apply:** https://hotfix.jobs/jobs/c582c49c-f735-4d75-b068-674fdfc6d9d1
**Canonical:** https://hotfix.jobs/jobs/c582c49c-f735-4d75-b068-674fdfc6d9d1