Senior React Developer — Remote Frontend Modernization

AWD online; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

AWD Online is seeking a Senior React Developer / Senior Front End Developer to modernise an established enterprise application via a secure, accessible React/TypeScript front end. You will collaborate with architects, back-end developers and stakeholders to deliver a scalable solution with handover and documentation as key outcomes.

The role emphasizes delivering with CI/CD in a cloud-hosted environment and supporting a 500–1,000 user base, all in a remote setup.

Qualifications

• Strong commercial React, TypeScript, JavaScript, HTML5 and CSS application development experience.
• Experience building secure enterprise web applications and integrating REST APIs.
• Experience working with cloud-hosted solutions.
• Good understanding of authentication and authorisation, particularly Microsoft Entra ID, OAuth2 and OpenID Connect.
• Strong software engineering practices covering testing, CI/CD and source control.
• Ability to communicate technical concepts clearly and transfer knowledge effectively to other developers.
• Experience collaborating within an established development team.

Responsibilities

• Front-End Development: Design and develop responsive, high-quality web applications using React, TypeScript, JavaScript, HTML5, CSS and modern front-end technologies.
• API Integration: Build and maintain secure integrations with existing back-end services using REST APIs and modern integration patterns.
• Identity and Access: Implement authentication and authorisation using Microsoft Entra ID, OAuth2 and OpenID Connect.
• Technical Collaboration: Work with technical architects, back-end developers, stakeholders and the existing technical team to deliver a user-focused solution.
• Performance and Accessibility: Build for performance, accessibility and scalability for a large user base.
• Engineering Delivery: Contribute to technical design, code reviews, testing, CI/CD and deployment activities in a cloud-hosted environment.
• Technical Documentation: Document the solution, development approach and key technical decisions.
• Knowledge Transfer and Handover: Provide practical knowledge sharing, mentoring and structured handover so the existing team can confidently maintain and further develop the application.

Skills

React

TypeScript

JavaScript

HTML5

CSS

REST APIs

OAuth2

OpenID Connect

Microsoft Entra ID

CI/CD

Tools

REST APIs

OAuth2

OpenID Connect

Microsoft Entra ID

Git

Job description

AWD Online is seeking a Senior React Developer / Senior Front End Developer to modernise an established enterprise application via a secure, accessible React/TypeScript front end. You will collaborate with architects, back-end developers and stakeholders to deliver a scalable solution with handover and documentation as key outcomes.

The role emphasizes delivering with CI/CD in a cloud-hosted environment and supporting a 500–1,000 user base, all in a remote setup.