Senior Staff Engineer React Native Mobile App Developer

Senior Staff Engineer React Native Mobile App Developer

Company Description

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18700+ experts across 39 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in!

Job Description

REQUIREMENTS:

• Total experience: 7.5+ years in Software UI/Frontend Engineering, preferably in Enterprise or Product companies.
• Hands-on experience developing React Native mobile applications using the Expo Framework.
• Strong hands-on experience in React Native and JavaScript ES6+.
• Strong understanding of React principles, React Hooks, Context API, and component lifecycles.
• Strong experience with state management libraries such as Redux/Redux Toolkit, Zustand, or MobX.
• Hands-on experience with Expo SDKs, Expo Router, and EAS workflows.
• Strong understanding of iOS and Android application development, deployment lifecycles, application signing, and App Store/Google Play Store guidelines.
• Strong knowledge of Git and GitHub, including continuous integration pipelines.
• Experience integrating mobile applications with backend APIs using REST and/or GraphQL.
• Good understanding of mobile application caching strategies and performance optimization.
• Experience with performance profiling and optimization of production-ready mobile applications.
• Strong understanding of Accessibility AA/WCAG standards and experience building accessible applications.
• Experience designing and implementing large-scale, reusable UI systems and working with component libraries.
• Experience with mobile application testing frameworks such as Jest, React Native Testing Library, Maestro, or Appium.
• Understanding of JavaScript Bridge/JSI and React Native architecture.
• Experience with Agentic AI, AI agents, specifications, and AI-assisted development, documentation, and testing.
• Knowledge of Flexbox and CSS Grid-based systems.
• Experience with packaging/build tools such as Babel or Webpack.
• Knowledge of Figma and ability to translate UI/UX designs into mobile experiences.
• Understanding of Deep Linking and SEO concepts.
• Good understanding of Agile methodologies, Scrum/Kanban, JIRA, and Confluence.
• Strong analytical, problem-solving, communication, ownership, and leadership skills.

RESPONSIBILITIES:

• Develop and maintain high-performance cross-platform mobile applications using React Native and Expo.
• Build scalable iOS and Android applications from a single codebase while following enterprise UI and design standards.
• Collaborate with Engineering Managers, Product Managers, UI/UX Designers, and Backend Engineers to deliver seamless mobile experiences.
• Leverage Agentic AI, specifications, skills, and AI agents to accelerate development, documentation, and testing activities.
• Design and implement clean, reusable, scalable, and maintainable React Native components.
• Integrate REST/GraphQL APIs and third-party libraries into mobile applications.
• Implement effective state management using Redux/Redux Toolkit or other suitable state management solutions.
• Optimize applications for performance, scalability, reliability, accessibility, and security.
• Perform performance profiling and troubleshoot production application issues.
• Implement caching strategies to improve application performance and user experience.
• Develop accessible applications aligned with Accessibility AA/WCAG standards.
• Manage mobile application build, signing, deployment, and release processes for iOS and Android.
• Work with Expo Router, EAS workflows, and modern Expo tooling.
• Write and maintain automated tests using Jest, React Native Testing Library, Maestro, Appium, or similar frameworks.
• Collaborate with backend teams to integrate APIs and troubleshoot end-to-end application issues.
• Translate Figma designs and product requirements into high-quality mobile UI experiences.
• Participate in Agile ceremonies, sprint planning, backlog refinement, and technical discussions.
• Work with JIRA and Confluence to manage requirements, EPICs, Stories, Tasks, and Acceptance Criteria.
• Take ownership of technical deliverables, lead initiatives, resolve complex problems, and mentor junior engineers.

Qualifications

Bachelor’s or master’s degree in computer science, Information Technology, or a related field

Experience Level

Senior Level