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Senior Mobile Developer - React Native

New York, NY, US

22 days ago
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Summary

Senior React Native Developer

Who We Are

We are a small disruptive GenAI startup with agentic AI capabilities. At our core, we are dedicated to crafting science-based solutions prioritizing social impact.

We are seeking a highly skilled and experienced React Native Developer to join our mobile engineering team. The ideal candidate is passionate about building high-quality mobile applications and has a strong understanding of modern mobile development practices across both iOS and Android platforms. You’ll play a key role in designing and developing scalable, user-centric features while collaborating across teams in a fast-paced, startup-style environment.

Responsibilities

  • Architect, develop and maintain scalable features using React Native
  • Create reusable, responsive UI components aligned with modern UX standards
  • Implement seamless navigation flows using React Navigation
  • Manage app state effectively with Redux and Context API
  • Integrate front-end components with RESTful APIs and GraphQL endpoints
  • Handle in-app purchases and payment workflows using Stripe SDK and IAP libraries
  • Develop and maintain native modules on both iOS and Android platforms (including TurboModules)
  • Continuously optimize performance across diverse devices and OS versions
  • Identify, debug, and resolve bugs and performance issues
  • Write clean, testable code supported by unit and integration tests
  • Collaborate closely with design, backend, and product teams in an Agile development environment
  • Manage mobile app releases to the App Store and Google Play

Qualifications

  • Minimum 5 years of professional experience in mobile application development
  • At least 3 years of hands-on experience building production-grade apps with React Native
  • Strong understanding of both iOS and Android ecosystems, including deployment and publishing workflows
  • Proven ability to build high-performance, scalable, and user-focused mobile applications
  • Deep knowledge of mobile UI/UX best practices and design principles
  • Demonstrated ability to lead technical initiatives and mentor mid-level engineers
  • Bachelor’s degree in Computer Science or equivalent experience
  • Proficient in JavaScript (ES6+), TypeScript, HTML, and CSS
  • Strong experience with React Native, including Hooks, Context API, and React Navigation
  • Familiarity with Redux, RESTful APIs, and GraphQL for efficient data handling
  • Experience integrating third-party services, including Stripe SDK, In-App Purchases, and Firebase
  • Comfortable working with native modules using Swift, Kotlin, and Java
  • Understanding of architecture patterns such as MVI and MVVM
  • Proficient with development tools like Git, VS Code, npm, Expo, and Flipper
  • Experience with push notifications and performance optimization across various devices
  • Knowledge of CI/CD tools such as Fastlane and Bitrise is a plus
  • Familiarity with automated testing frameworks such as Detox and Jest
  • Open-source contributions or public repositories are a strong advantage
  • Excellent communication skills and a proactive, collaborative mindset
  • Comfortable in Agile development environments and startup-style workflows

Salary: $170k - $200k/yr plus bonus and equity.

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