Contract Spy
Leeds, England, United Kingdom
Type: Full-time, Contract (outside IR35) Location: UK-based (flexible home, office, or hybrid working) Office locations: Newcastle and Leeds Hub locations: Edinburgh, Manchester, London We’re growing our Engineering team to strengthen our ability to deliver world-class digital products for our clients. As a Principal Full Stack JavaScript Engineer, you’ll join a small, highly technical group tackling a complex transformation: breaking down a monolithic JavaScript platform into clearer, modern components. This is an individual contributor role for someone who thrives on problem-solving, can ramp up quickly, and can collaborate confidently with other very strong engineers. You’ll be hands-on from day one, helping modernise architecture, improve maintainability, and set the foundations for future technology decisions, all while staying pragmatic and delivery-focused. What you'll do
Lead (hands-on) full-stack engineering across a JavaScript...