Lead architecture and delivery of mobile applications, ensure performance optimization, mentor engineers, and collaborate with cross-functional teams.
We are looking for a Senior React Native Engineer to lead the architecture and delivery of high-quality, performant mobile applications. You will be responsible for defining technical foundations, enforcing engineering standards, and ensuring the mobile stack scales reliably as the product and team grow.
This role requires deep expertise in React Native internals, performance optimization, and mobile platform fundamentals, along with strong ownership and mentorship capabilities.
At Proximity, you won’t just build screens - you’ll shape the mobile architecture, set engineering standards, and mentor teams building products used at meaningful scale.
Responsibilities -- Define and own application architecture, including navigation, state management, data flow, module boundaries, and error handling strategies.
- Establish and enforce engineering standards, including TypeScript usage, linting, formatting, testing practices, and commit conventions.
- Own the native module strategy, including Bridges, TurboModules, and JSI, while minimizing native code where possible.
- Set, monitor, and enforce performance budgets, covering 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 using tools like CodePush.
- Establish strong observability practices, including crash reporting, structured logging, analytics, feature flags, and A/B experimentation.
- Lead architecture design reviews and RFCs, providing technical direction and long-term scalability guidance.
- Mentor engineers, conduct code reviews, and drive knowledge-sharing across the mobile engineering team.
- Collaborate closely with product, design, backend, and QA teams to deliver high-quality mobile experiences.
Requirements
- 5–6 years of professional experience in mobile application development, with strong expertise in React Native.
- Deep understanding of React Native architecture, rendering pipeline, and performance characteristics.
- Strong proficiency in TypeScript, modern JavaScript, and React fundamentals.
- Hands-on experience with state management solutions, navigation libraries, and modular application design.
- Proven experience working with native modules, including Bridges, TurboModules, and JSI.
- 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.
- Solid understanding of app distribution, code signing, build variants, and OTA update mechanisms.
- 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.
- Experience contributing to or maintaining internal mobile libraries or design systems.
- Understanding of Agile development methodologies and iterative delivery.
Benefits
- Best in class compensation: We hire only the best, and we pay accordingly.
- Proximity Talks: Learn from experienced engineers, designers, and product leaders across the organization.
- Work with a world-class team: Build scalable mobile products, push technical boundaries, and learn something new every day.
We are Proximity — a global team of coders, designers, product managers, geeks, and experts. We solve complex problems and build cutting-edge technology at scale.
Our team of Proxonauts is growing quickly, which means your impact on the company’s success will be significant. You’ll work with experienced leaders who have built and led high-performing tech, product, and design teams.
Here’s a quick guide to getting to know us better:
- Watch our CEO, Hardik Jagda, tell you all about Proximity.
- Read about Proximity’s values and meet some of our Proxonauts.
- Explore our website, blog, and design wing — Studio Proximity.
- Get behind the scenes with us on Instagram — follow @ProxWrks and @H.Jagda.
Top Skills
Ci/Cd
Codepush
JavaScript
React Native
Typescript
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