Developer II

Overview

We are seeking an experienced React Native Developer II to join our mobile development team. In this mid\-level role, you will take ownership of features, mentor junior developers, and contribute to architectural decisions. You will design and build high\-performance cross\-platform mobile applications for iOS and Android while collaborating with product, design, and backend teams.

Responsibilities

• Design and implement scalable React Native components using React Core features (hooks, context, refs, and lifecycle management)
• Manage complex application state using Redux Toolkit (RTK) and implement Redux middleware for side effects
• Build efficient data fetching and caching solutions using RTK Query with normalized cache management
• Implement dynamic theming system supporting light/dark modes with theme provider patterns
• Optimize app performance for smooth 60\+ FPS animations and transitions with proper memoization
• Write unit and integration tests with 70%\+ code coverage using Jest and React Native Testing Library
• Conduct thorough testing across iOS and Android devices and debug production issues
• Mentor junior developers, conduct code reviews, and provide constructive feedback
• Collaborate with product managers, designers, and backend engineers on feature implementation
• Leverage AI coding tools (GitHub Copilot, Cursor, etc.) to improve development velocity and code quality
• Stay current with React Native ecosystem updates, libraries, and best practices
• Document architectural decisions, code patterns, and technical learnings

Qualifications

• 3\+ years of professional React Native development experience
• Strong proficiency in JavaScript/TypeScript with functional programming paradigms
• Expert\-level knowledge of React Core features: hooks (useState, useEffect, useCallback, useMemo, useContext, useReducer), lifecycle management, and performance optimization
• Production experience with Redux Toolkit (RTK) including: reducers, actions, slices, and middleware
• Hands\-on experience with RTK Query for data fetching, caching, and synchronization
• Experience implementing dynamic theming solutions with theme providers, context APIs, and CSS\-in\-JS libraries
• Experience with both iOS and Android development including native modules and platform\-specific APIs
• Proficiency with REST APIs and GraphQL integration patterns
• Experience with Git version control and collaborative workflows
• Familiarity with AI coding tools (GitHub Copilot, Cursor, Claude for Code) and leveraging them for development
• Testing frameworks: Jest, React Native Testing Library, or Detox
• CI/CD pipelines and app deployment processes

• *Soft Skills:**
• ---------------

• Strong problem\-solving and analytical abilities
• Clear written and verbal communication
• Ability to take full ownership of features from design to production
• Proactive attitude with willingness to mentor and support team growth
• Experience working in agile environments with sprint\-based development