IT & Software

JavaScript Developer – React / TypeScript

Ncounter

London · Greater London · United Kingdom

Overview

In this frontend-focused consultancy role you design and build modern web apps using React, TypeScript and JavaScript to support complex, user-centric public-sector workloads. You’ll work with engineers, architects and non-technical stakeholders from discovery through delivery, delivering secure, production-ready interfaces. Expect diverse, mission-critical projects where accessibility and security matter, with opportunities to influence solutions and engineering standards.

Responsibilities
  • Design and develop web applications with React, TypeScript and JavaScript
  • Create dashboards and data-rich interfaces for complex operations
  • Collaborate with stakeholders to translate requirements into practical solutions
  • Integrate frontend with REST APIs, authentication and enterprise platforms
  • Build prototypes and proofs-of-concept for consultancy engagements
  • Contribute to testing, code reviews, CI/CD and engineering standards across teams
Key requirements
  • Strong commercial experience with React and TypeScript
  • Excellent JavaScript, HTML and CSS fundamentals (responsive, accessible design)
  • Experience building secure applications and API integration
  • Strong testing experience (Jest and React Testing Library)
  • Git-based development, CI/CD and modern engineering practices
  • Experience in consultancy, government, or complex environments (valuable)
  • Stakeholder communication
  • Collaborative mindset
  • Problem-solving under complex requirements
  • Redux
  • React Router
  • Tailwind CSS

Reference: WJ-747_31171368

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