Senior React Developer / Senior Front End Developer (AWDO-C15239)

AWD online; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

AWD online is seeking a Senior React Developer to design a secure, high-performance front end using React and TypeScript for an enterprise platform. You will work with technical architects, back-end developers and stakeholders to deliver a scalable solution and handover knowledge.

Responsibilities include API integrations, authentication workflows with Entra ID, OAuth2 and OpenID Connect, and ensuring accessibility for 500–1,000 users. Remote collaboration with an established team is expected.

Qualifications

• Experience building secure enterprise web apps and integrating REST APIs.
• Experience working with cloud-hosted solutions.
• Strong understanding of authentication and authorization, particularly Microsoft Entra ID, OAuth2 and OpenID Connect.
• Solid software engineering practices including testing, CI/CD and source control.
• Ability to communicate technical concepts clearly and transfer knowledge to other developers.
• Experience collaborating within an established development team.

Responsibilities

• API Integration: Build and maintain secure integrations with existing back-end services using REST APIs.
• Identity and Access: Implement authentication and authorization using Microsoft Entra ID, OAuth2 and OpenID Connect.
• Technical Collaboration: Work with architects, back-end developers and stakeholders to deliver a user-focused solution.
• Performance and Accessibility: Build for performance, accessibility and scalability for 500–1,000 users.
• Engineering Delivery: Contribute to design, code reviews, testing, CI/CD and deployment in a cloud environment.
• Technical Documentation: Document the solution, development approach and key decisions.
• Knowledge Transfer and Handover: Provide mentoring and structured handover to enable ongoing maintenance.

Skills

React

TypeScript

REST APIs

CI/CD

Cloud hosting

Security

Tools

Microsoft Entra ID

OAuth2

OpenID Connect

Job description

Senior React Developer / Senior Front End Developer (AWDO-C15239)

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

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

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

• 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 approximately 500–1,000 users


• 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

CANDIDATE REQUIREMENTS

ESSENTIAL

• 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

DESIRABLE

• Experience integrating modern front-end applications with legacy or enterprise back-end platforms


• Knowledge of HCL Domino/Notes environments


• Experience delivering solutions within public-sector or regulated environments


• Experience providing technical mentoring, documentation and structured knowledge transfer


• Current SC or NPPV3 clearance; candidates eligible and willing to undergo the required security clearance may also be considered

JOB REF: AWDO-C15239