Senior React Native Engineer

As a Senior React Native Engineer at Proximity Works, you will play a crucial role in leading the architecture and delivery of high-quality, performant mobile applications. Your responsibilities will include defining technical foundations, enforcing engineering standards, and ensuring the scalability of the mobile stack as the product and team expand. Responsibilities: - Define and own application architecture, covering navigation, state management, data flow, module boundaries, and error handling strategies - Establish and enforce engineering standards, such as TypeScript usage, linting, formatting, testing practices, and commit conventions - Own the native module strategy, including Bridges, TurboModules, and JSI, while minimizing native code usage - Set, monitor, and enforce performance budgets, encompassing TTI, bundle size, memory usage, and UI jank; conduct regular profiling and optimization - Design and operate CI/CD pipelines for mobile apps, including code signing, build flavors, and over-the-air updates - Establish observability practices, including crash reporting, structured logging, analytics, feature flags, and A/B experimentation - Lead architecture design reviews, provide technical direction, and mentor engineers to drive knowledge-sharing across the mobile engineering team Requirements: - 5-6 years of professional experience in mobile application development, with expertise in React Native - Deep understanding of React Native architecture, rendering pipeline, and performance characteristics - Proficiency in TypeScript, modern JavaScript, and React fundamentals - Hands-on experience with state management solutions, navigation libraries, and modular application design - Strong understanding of mobile performance optimization, profiling tools, and debugging techniques on iOS and Android - Experience setting up and maintaining mobile CI/CD pipelines, including build automation and release workflows - Ability to take ownership of features and systems from design through production - Strong communication skills and experience working in cross-functional teams Desired Skills: - Experience with CodePush or similar OTA update solutions - Familiarity with mobile analytics, experimentation frameworks, and feature flag systems - Exposure to monorepo setups and shared codebases across web and mobile - Understanding of Agile development methodologies and iterative delivery At Proximity, you will have access to best-in-class compensation, opportunities to learn from experienced professionals, and work with a world-class team dedicated to building cutting-edge technology at scale. Proximity Works, headquartered in San Francisco, is an AI engineering company that builds production AI systems for global sports, media, and entertainment platforms. Join our team of Proxonauts and make a significant impact on the company's success. [Please note that the Company Description provided in the Job Description was omitted as it contained redundant information about Proximity Works being an AI engineering company headquartered in San Francisco.] As a Senior React Native Engineer at Proximity Works, you will play a crucial role in leading the architecture and delivery of high-quality, performant mobile applications. Your responsibilities will include defining technical foundations, enforcing engineering standards, and ensuring the scalability of the mobile stack as the product and team expand. Responsibilities: - Define and own application architecture, covering navigation, state management, data flow, module boundaries, and error handling strategies - Establish and enforce engineering standards, such as TypeScript usage, linting, formatting, testing practices, and commit conventions - Own the native module strategy, including Bridges, TurboModules, and JSI, while minimizing native code usage - Set, monitor, and enforce performance budgets, encompassing TTI, bundle size, memory usage, and UI jank; conduct regular profiling and optimization - Design and operate CI/CD pipelines for mobile apps, including code signing, build flavors, and over-the-air updates - Establish observability practices, including crash reporting, structured logging, analytics, feature flags, and A/B experimentation - Lead architecture design reviews, provide technical direction, and mentor engineers to drive knowledge-sharing across the mobile engineering team Requirements: - 5-6 years of professional experience in mobile application development, with expertise in React Native - Deep understanding of React Native architecture, rendering pipeline, and performance characteristics - Proficiency in TypeScript, modern JavaScript, and React fundamentals - Hands-on experience with state management solutions, navigation libraries, and modular application design - Strong understanding of mobile performance optimization, profiling tools, and debugging techniques on iOS and Android - Experience setting up and maintaining mobile CI