About this role
Senior React Developer / Senior Front End Developer
Join a focused application modernisation project, designing a secure, accessible React and TypeScript front end for an established enterprise platform while collaborating closely with an existing development team through delivery and handover.
If you’ve also worked in the following roles, we’d also like to hear from you: Senior Frontend Engineer, React Engineer, Senior React Engineer, Senior Software Developer, Senior Software Engineer, Senior Web Developer, Senior Application Developer, Front End Engineer
SALARY: Negotiable Depending on Experience
LOCATION: Remote working
JOB TYPE: Full-Time, Contract (3 to 6 Months)
WORKING HOURS: Flexible start and end times. Although you would need to be available for Online Meetings when required
JOB OVERVIEW
This is an opportunity to modernise an established enterprise application and create a contemporary browser-based experience as a Senior React Developer / Senior Front End Developer.
Working with technical architects, back-end developers and stakeholders, the Senior React Developer / Senior Front End Developer will shape a secure, performant and scalable solution integrating with an established HCL Domino back end, with delivery currently scheduled for April 2027.
The Senior React Developer / Senior Front End Developer will also help leave a lasting technical legacy through documentation, mentoring, knowledge sharing and structured handover, enabling the existing team to support and develop the solution after delivery.
DUTIES
Your duties as the Senior React Developer / Senior Front End Developer include:
Front-End Development: Design and develop responsive, high-quality web applications using React, TypeScript, JavaScript, HTML5, CSS and modern front-end technologiesAPI Integration: Build and maintain secure integrations with existing back-end services using REST APIs and modern integration patternsIdentity and Access: Implement authentication and authorisation using Microsoft Entra ID, OAuth2 and OpenID ConnectTechnical Collaboration: Work with technical architects, back-end developers, stakeholders and the existing technical team to deliver a user-focused solutionPerformance and Accessibility: Build for performance, accessibility and scalability for approximately 500–1,000 usersEngineering Delivery: Contribute to technical design, code reviews, testing, CI/CD and deployment activities in a cloud-hosted environmentTechnical Documentation: Document the solution, development approach and key technical decisionsKnowledge Transfer and Handover: Provide practical knowledge sharing, mentoring and structured handover so the existing team can confidently maintain and further develop the application
CANDIDATE REQUIREMENTS
ESSENTIAL
Strong commercial React, TypeScript, JavaScript, HTML5 and CSS application development experienceExperience building secure enterprise web applications and integrating REST APIsExperience working with cloud-hosted solutionsGood understanding of authentication and authorisation, particularly Microsoft Entra ID, OAuth2 and OpenID ConnectStrong software engineering practices covering testing, CI/CD and source controlAbility to communicate technical concepts clearly and transfer knowledge effectively to other developersExperience collaborating within an established development team
DESIRABLE
Experience integrating modern front-end applications with legacy or enterprise back-end platformsKnowledge of HCL Domino/Notes environmentsExperience delivering solutions within public-sector or regulated environmentsExperience providing technical mentoring, documentation and structured knowledge transferCurrent SC or NPPV3 clearance; candidates eligible and willing to undergo the required security clearance may also be considered
HOW TO APPLY
To be considered for this job vacancy, please submit your CV to our Recruitment Team who will review your details. CV’s of Job Applicants meeting this requirement will be submitted to our Client for consideration. By submitting your job application to us you are hereby giving us your express consent to submit your details to our Client for this purpose.
JOB REF: AWDO-C15239
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