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

What We're Looking For

• 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

The Det...