About this role
Principal Software Engineer at Appvia. Location: London, England, United Kingdom. Role: leading design, shaping architecture, driving improvements Requirements: Eligibility for UK SC clearance (British passport or ILR, 5 years UK residency, clean record); strong experience with DDD, microservices, React/full-stack, Java/Spring, testing automation, and technical leadership/mentoring. Category: Software Development Seniority: Senior Level Tools: Java, Spring, NoSQL, SQL, TypeScript, JavaScript, HTML, CSS, XML, Playwright, Docker, Kubernetes, Maven, GitLab, AWS, GovUK UI Framework, Azure, GCP, Microsoft .NET, React Commitment: Full Time Workplace: Hybrid Languages: English