Senior React.js Developer

Essential Job Functions

Development & Delivery

• Rapid Feature Execution: Build and deliver production-ready web application features using React.js and TypeScript, working toward the project's agreed delivery milestones.
• Responsive User Interfaces: Develop accessible, mobile-friendly interfaces that work consistently across modern browsers and screen sizes, following approved design specifications.
• Component Development: Create reusable, maintainable UI components and front-end features using React best practices, including hooks and effective state management.
• API Integration: Integrate with RESTful APIs, handling requests, responses, loading states, errors, and data validation reliably.
• Authentication Integration: Implement authentication flows and token handling in accordance with approved security requirements and architecture.

Job Summary

We are looking for an experienced React.js developer to help deliver a high-quality, production-ready web application. This role requires strong expertise in React and modern JavaScript or TypeScript, with a track record of building maintainable, responsive user interfaces and scalable front-end solutions. The ideal candidate is comfortable making sound architectural decisions, writing reliable and well-tested code, and troubleshooting performance and usability issues. Working in a fast-paced Agile environment, they will collaborate closely with product, design, and engineering teams to turn requirements into polished, dependable features. This is a hands-on role for a developer who takes ownership, communicates clearly, and delivers to a high technical standard.

Minimum Qualifications and Job Requirements

Professional Experience

• Senior-Level Expertise: 7–8+ years of professional experience in front-end development, including substantial hands-on experience building production applications with React.js.
• Full-Lifecycle Delivery: Proven experience delivering at least 2–3 major web applications from initial requirements through production release and ongoing support.

Technical Core

• React.js Proficiency: Strong command of React.js, including component design, hooks, reusable patterns, and effective state management.
• JavaScript & TypeScript: Advanced experience with modern JavaScript and TypeScript, including writing clear, maintainable, and well-typed application code.
• Architectural Proficiency: Demonstrated ability to structure scalable, modular front-end applications using appropriate design patterns and separation of concerns.
• Responsive UI Development: Experience building accessible, responsive interfaces that work across common browsers, devices, and screen sizes.

Security & Integration

• Identity & Authentication: Experience implementing secure web authentication using OAuth 2.0 and OpenID Connect. Experience with Microsoft Entra ID and MSAL is an advantage for enterprise applications.
• API Integration: Strong experience integrating RESTful APIs, handling asynchronous requests and errors, and coordinating API contracts with backend teams.
• Data Handling: Understanding of browser-based data persistence and caching, including the security and privacy considerations of storing sensitive information in a web application.