Senior Frontend Engineer – React.js & React Native

Key Responsibilities

• Develop and maintain web applications using React.js and TypeScript.
• Build cross-platform mobile applications for iOS and Android using React Native and Expo.
• Create reusable, scalable, and maintainable UI components.
• Convert Figma designs into responsive and pixel-perfect web and mobile interfaces.
• Design and implement scalable frontend architectures.
• Integrate REST APIs, GraphQL APIs, WebSockets, and third-party services.
• Collaborate with backend engineers on API design, integrations, and system architecture.
• Contribute to backend services and integrations using Node.js or Python when required.
• Optimize applications for performance, accessibility, scalability, and maintainability.
• Write clean, testable, and well-documented code.
• Conduct code reviews and follow engineering best practices.
• Troubleshoot and resolve production issues across web, mobile, and backend systems.
• Manage application build and deployment pipelines using CI/CD practices.
• Collaborate with product managers, designers, QA engineers, and backend teams.
• Track tasks, bugs, and sprint deliverables using JIRA.
• Use AI-assisted development tools for code generation, debugging, refactoring, documentation, testing, and architectural discussions.

Required Skills

• 4–7 years of experience in frontend development.
• Strong proficiency in JavaScript (ES6+) and TypeScript.
• Strong hands-on experience with React.js.
• Strong hands-on experience with React Native and Expo.
• Experience building and publishing applications on Apple App Store and Google Play Store.
• Experience with responsive web applications and mobile-first interfaces.
• Experience with Tailwind CSS and NativeWind.
• Strong understanding of React Hooks, Context API, component lifecycle, and state management.
• Experience with Redux Toolkit, Zustand, React Query, or TanStack Query.
• Strong understanding of reusable and component-driven UI architecture.
• Knowledge of SOLID principles, feature-based architecture, container/presentational patterns, repository patterns, dependency injection, and modular architecture.
• Strong understanding of frontend performance optimization.
• Working knowledge of Node.js and Python.
• Familiarity with Express.js, NestJS, FastAPI, or Flask.
• Understanding of API design, authentication, and authorization using JWT and OAuth.
• Experience with WebSockets, Server-Sent Events (SSE), or similar real-time technologies.
• Understanding of mobile application lifecycle, push notifications, deep linking, and background services.
• Experience with Git, CI/CD pipelines, JIRA, and Agile/Scrum environments.
• Strong experience with AI-assisted development tools and prompt engineering.
• Familiarity with Claude, GPT, GitHub Copilot, Cursor, Windsurf, and Claude Code.

Preferred Skills

• Experience with Next.js.
• Experience with GraphQL and Apollo Client.
• Experience with Firebase Authentication, Analytics, Crashlytics, and Push Notifications.
• Experience with Sentry or similar monitoring tools.
• Experience with EAS Build, EAS Submit, and Fastlane.
• Familiarity with AWS, Azure, or GCP.
• Experience with real-time communication, WebSocket, or audio/video streaming platforms.
• Experience with Jest and React Testing Library.
• Experience working in startup or product engineering environments.

Technical Skills

• React.js
• React Native
• Expo
• Next.js
• JavaScript
• TypeScript
• Tailwind CSS
• NativeWind
• Redux Toolkit
• Zustand
• React Query / TanStack Query
• GraphQL
• REST APIs
• WebSockets
• Server-Sent Events (SSE)
• Node.js
• Express.js / NestJS
• Python
• FastAPI / Flask
• Git
• CI/CD
• Docker
• JIRA
• Firebase
• EAS Build
• Fastlane
• Claude
• GPT
• GitHub Copilot
• Cursor
• Windsurf
• Prompt Engineering