Senior React Developer

About this role

We are looking for a senior external React Developer who can design and deliver modern, accessible and production-ready web applications, establish sound front-end engineering practices and coach other developers.
Role and engagement model

• Act as the senior React engineering specialist within a cross-functional Customer Platforms team.

• Own front-end solution components from technical design through implementation, testing, deployment and stabilization.

• Provide practical guidance on architecture, code quality, reusable patterns and integration with Microsoft cloud services.
Key responsibilities

• Design and build responsive React applications and reusable component libraries using TypeScript.

• Apply modern React patterns including functional components, hooks, state management and modular architecture.

• Integrate front ends with REST APIs and Microsoft services using secure authentication and authorization patterns.

• Implement automated unit, component and end-to-end tests and support quality gates in CI/CD pipelines.

• Optimize applications for accessibility, browser compatibility, performance, observability and maintainability.

• Conduct code reviews, identify technical debt and guide sustainable remediation.

• Collaborate with UX, architects, backend developers and business stakeholders.

• Create concise technical documentation and transfer knowledge to internal developers.
Requirements
Mandatory experience

• 7+ years of software development experience with substantial recent delivery experience in React and TypeScript.

• Proven ownership of production React applications and scalable front-end architecture.

• Strong knowledge of component design, state management, API integration and asynchronous programming.

• Hands-on experience with automated testing frameworks and front-end build tooling.

• Experience with Git, pull requests, code reviews, Azure DevOps and CI/CD pipelines.

• Strong understanding of accessibility, responsive design, performance and secure web development.

• Professional English and the ability to explain technical decisions clearly.
Preferred experience

• Experience with Microsoft Entra ID, Azure App Service, Azure Functions or API Management.

• Experience integrating React applications with Dataverse, Dynamics 365 or Power Platform solutions.

• Experience with design systems, UI libraries and application telemetry.

• Experience with Software Test