2 of 2 Permanent SQL Jobs in Upminster

verification, e-signature and submission. As a Junior Full-Stack JavaScript Developer, you'll contribute across a React front end, Node.js services and Microsoft SQL Server. You'll work on real customer-facing features while developing your skills through practical support, code review and clear engineering standards. This role would … across multiple branded sites. Contribute to Node.js APIs and backend-for-frontend services using established patterns in Fastify and Express. Write and update parameterised SQL queries, and support database changes through reviewed migrations. Help integrate third-party services such as identity-verification and lead-management providers behind clear interfaces. Write ...

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 … single codebase. Develop back-end features in Node.js, including a Fastify API, an Express backend-for-frontend and durable background jobs processed through a SQL-backed outbox queue. Design and evolve the SQL Server schema through forward-only migrations, using parameterised queries and transactional business logic. Integrate and mock third ...