Senior React Developer

Senior React Developer

Contract Length: 3 months Rate: (Apply online only) p/d Inside IR35



Overview

We are seeking a highly skilled engineer with deep expertise in React and Single Sign-On (SSO) implementations, particularly Okta. The successful candidate will combine strong front-end development skills with proven experience in authentication and identity management.



Key Responsibilities

  • Modernize and refactor an existing Fix UI application:

    • Update outdated codebase to current React standards.

    • Improve maintainability and performance.

  • Implement multi-tenant architecture within the UI.

  • Integrate the application with SSO solutions, ensuring flexibility to connect with:

    • OAuth / OpenID Connect

    • SAML

    • Okta (primary client requirement).

  • Deliver clean, scalable, and secure code aligned with best practices.

  • Collaborate with internal teams to ensure smooth integration and deployment.



Essential Skills & Experience

  • Expert-level React development (hooks, state management, modern patterns).

  • Strong background in SSO implementation and identity protocols.

  • Hands-on experience with Okta integration.

  • Knowledge of OAuth 2.0, OpenID Connect, and SAML.

  • Experience building multi-tenant applications.

  • Ability to refactor and modernize legacy codebases.



Nice-to-Have

  • Familiarity with other identity providers (Azure AD, Auth0, Ping Identity).

  • Experience in secure coding practices and compliance frameworks.

  • Strong problem-solving and communication skills.

Job Details

Company
TXP
Location
London, United Kingdom
Employment Type
Contract
Salary
£500 - £550/day
Posted