Principal Software Engineer

We're hiring for one of the UK's fastest growing fintech scaleups, where reliability is a competitive advantage not a luxury. As a Principal Software Engineer you will be providing deep technical leadership alongside being extremely hands on as part of a platform team. Principal Engineers will set technical directions, drive engineering standards and strategy while remaining deeply embedded in implementation and operational excellence.

Responsibilities

• Architect and implement highly available, multi-region infrastructure services
• Lead large-scale refactoring or reliability improvement initiatives
• Establish best practices in incident response, observability, and SLO management
• Drive adoption of modern cloud-native and GitOps practices
• Mentor senior engineers and influence engineering culture at scale

Skills Required

• Strong backend engineering ability (Go, Java or .NET)
• Extensi...