https://jobs.co.uk/job/full-stack-developer-devonshire-hayes--9e455bf1-9fed-4fbf-95df-aff3fc5843e1 RSS feed for Full Stack Developer at Devonshire Hayes. en-gb Thu, 27 Aug 2026 18:11:14 GMT https://jobs.co.uk/job/full-stack-developer-devonshire-hayes--9e455bf1-9fed-4fbf-95df-aff3fc5843e1 https://jobs.co.uk/job/full-stack-developer-devonshire-hayes--9e455bf1-9fed-4fbf-95df-aff3fc5843e1 Thu, 27 Aug 2026 11:52:58 GMT Location: Upminster | Salary: 40000.00-40000.00 Annual | Type: Permanent | If you are a Full Stack JavaScript Developer with a proven track record of developing single-page applications, we have a new role we would like to discuss with you. Please note this role requires onsite attendance four days a week in Upminster, Essex. The client is building a platform that guides consumers through the complete online customer journey, from their first visit through identity verification, e-signature and submission. As a Mid-Level Full-Stack JavaScript Developer, you''ll work across the platform: a React single-page application on the Front End, Node.js APIs and background workers on the Back End, and Microsoft SQL Server as the system of record. This is a hands-on product engineering role where you''ll ship customer-facing journey steps, build and consume REST APIs, write database migrations and integrate third-party services behind clean, maintainable interfaces. What you''ll do Build and maintain customer-journey screens and shared components in React 19, using React Router 7, Vite and Sass/SCSS across multiple branded sites from a single codebase. Develop Back End features in Node.js, including a Fastify API, an Express Back End-for-Front End and durable backg... Permanent