https://jobs.co.uk/job/principal-full-stack-software-engineer-profile-29--33eae919-66fd-4e59-b6c7-0ab2363a7f6e RSS feed for Principal Full Stack Software Engineer at Profile 29. en-gb Wed, 09 Sep 2026 14:59:26 GMT https://jobs.co.uk/job/principal-full-stack-software-engineer-profile-29--33eae919-66fd-4e59-b6c7-0ab2363a7f6e https://jobs.co.uk/job/principal-full-stack-software-engineer-profile-29--33eae919-66fd-4e59-b6c7-0ab2363a7f6e Wed, 09 Sep 2026 11:53:52 GMT Location: London | Salary: 80000.00-80000.00 Annual | Type: Permanent | Principal Software Engineer Salary to £80k, poss. higher for their ''Unicorn'' candidate Role can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid) - approx. once a month. NB: Please only apply if you are a UK National and UK passport holder, have resided in the UK for the past 5 years and are prepared to go through UK SC Security Clearance. Proof of ID will be required prior to interview. This role is with a growing is a technology consultancy. This is a hands-on principal engineering role: architecture ownership across multiple services, technical leadership across teams, and direct contribution to engineering standards and hiring. Their successful candidate will be writing code as well as setting direction - this is not a purely architectural or management position. Current delivery is a Java/Spring Boot microservices platform on AWS EKS, with a Next.js frontend and Camunda-based process orchestration. Essential Experience level: 10+ years minimum, principal or staff grade equivalent. Backend and cloud: Java 17 or 21, at expert level - modern language features Spring Boot in depth: security, transaction managemen... Permanent