Full Stack Engineer

Full Stack Contract Developer | 3 Months | Remote

Outside IR35 · Day Rate: £450 pd · Start: ASAP

A fast-moving tech business is looking for an experienced contract developer to join a small engineering team for a focused 3-month engagement. The work spans front-end development and a legacy database migration — a good mix of hands-on building and behind-the-scenes groundwork.

The Project

You'll be working on a platform rebuild and data migration, helping to modernise a legacy system and deliver a clean, well-engineered result ahead of a hard go-live deadline.

What You'll Be Doing

• Building and improving front-end features using React


• Supporting the migration of a legacy database to PostgreSQL


• Integrating Clerk for authentication within the new architecture


• Transforming and validating data to ensure a clean cutover


• Collaborating closely with a small internal engineering team


• Supporting testing and QA ahead of launch

• Strong React experiences


• Solid PostgreSQL skills; some SQL Server exposure is useful but not essential


• Familiarity with Clerk or similar modern auth solutions ideal


• Experience working on or around database migrations


• Self-sufficient, pragmatic, and comfortable in a fast-paced environment

• 3-month contract (extension possible depending on project needs)


• Fully remote


• Outside IR35


• £450 per day

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