Lead React Native Developer (3rd Party Contractor)

The Lead React Native Developer will be responsible for building React.js or React Native iOS / Android applications for clients, implementing pixel perfect UI's, integrating with bespoke or third-party API's, and leading junior developers in the team.

Requirements

• Setup in-app purchases that integrate seamlessly with Android & iOS
• Familiarity with RESTful APIs, third-party libraries, and cloud services (e.g., Firebase, AWS)
• Knowledge of GraphQL, WebSockets, and real-time data
• Solid understanding of React hooks
• Understands React Native APIs (Alert, Animations, Dimensions, etc..)
• Solid understanding of React Native Styling using React Native StyleSheet
• Understands how Push Notification works
• Understands State management middleware (E.g. Redux Saga and Thunks)
• Understands Higher order components
• Comfortable with Debugging tools (Safari iOS Debugger, Chrome Android Debugger / Redux time travel debugging)
• Comfortable with writing and fixing failing end to end tests
• Solid understanding of Git (rebasing, merging, cherry picking)
• Capable of publishing both Android and IOS Apps to the App Store and Play Store
• Comfortable with tagging Git branches and releasing new software
• Able to build and integrate performance monitoring
• Deep understanding of HTTP concepts (GZIP compression, Cache-Control, Content-Security Policy, CORS, Pre-flight requests, XRSF, & XSS)
• Understanding of Password grant, Implicit Flow, Authorization Code
• Understands React Native Expo Tools/SDK
• Basic Understanding of Objective-C, Kotlin and Java
• Advanced CI/CD concepts, scaling systems
• Understands Networking Principles
• Good understanding of Automated Testing
• Understand Threading in React Native, JavaScript Thread vs Native Thread vs Bridge and ways to overcome its limitations
• Able to create custom React Native hooks
• Able to consider App Security
• Understanding of OAuth & OpenID
• Deep understanding of the JS event loop
• Application of design patterns in code
• Able to create different build environments (Development, staging, productions, etc..)
• Can build CI/CD pipelines from the ground up
• Comfortable with writing and fixing failing integration tests
• Comfortable with writing and fixing failing unit tests
• Understands TypeScript
• Understands React/React Native best practices
• Experience with Function Generators
• Solid understanding of React Native Styling using Styled Component
• Understands how React Navigation works and how it affects app performance
• Solid understanding of all React Native core components (Touchable buttons, Modal, ScrollView, etc..)
• Solutions design and implementation
• Improving the design of existing code
• Keep up to date with technology
• Ability to Multitask
• System design and analysis
• Ability to conceptualise and simplify complex problems
• Ability to implement and configure DevSecOps toolchains
• Leadership of junior developers in the team

Benefits

• Work as part of a team to build React.js or React Native iOS / Android applications for clients
• Implement pixel perfect UI's that match designs
• Integrate with bespoke or third-party API's
• Work with native modules when required
• Participate in all Agile ceremonies - Sprint Planning, Spring Retrospectives, Reviews and Daily Stand-ups
• Interface with clients via collaborative channels E.g. Slack, Zoom, and email
• Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
• Follow the complete Software Development Life Cycle
• Keep up to date with technology
• Leadership of junior developers in the team
• System design and analysis
• Improve the design of existing code
• Be part of a community of developers who share knowledge and help each other as problems arise
• Track your time throughout the day using Replicon
• Assist with building estimates
• Work as part of a development team
• Release applications to iOS and Google Play stores
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience
• Architect, build and maintain excellent React.js or React Native applications with clean code