As a Principal Engineer, you won''t just be writing code-you will be shaping the technical DNA of one of the UK''s leading financial institutions. This is a high-visibility career move where you''ll champion modern engineering practices, steer large-scale system designs, and mentor high-performing teams to deliver robust, cloud-native platforms powered by Java, AWS, and Kafka.Great benefits work from London/Manchester 2 days a week. Plus bonus, pension and much moreWhat''s in it for you?True Technical Influence: Drive the definition of our overarching technical strategy, product roadmaps, and cloud-ready migration plans using modern architecture.Industry Recognition: Act as our engineering ambassador, leading participation in major internal and industry-wide tech conferences and events.Modern Tech Culture: Work within a highly collaborative microservices environment leveraging real-time event streaming and cutting-edge development tooling.Location Flexibility: Work from our state-of-the-art hubs in Edinburgh, London, or Manchester with a balanced hybrid setup.Your Mission (What you''ll do)In this role, you will balance high-level strategic architecture with hands-on technical leadership.Lead and Deliver: Manage the technical delivery of one or more software engineering teams, safeguarding code quality, scalability, and performance.System Architecture: Convert complex functional and non-functional requirements into elegant, high-performance, and resilient system designs ..... full job details .....