Back End Developer - Must have an Active DV Clearance - Hybrid Location: Bristol, London, Manchester or Cambridge Salary: 70,000 - 120,000 (depending on experience)We are seeking a skilled and motivated Back End Developer to support the digital transformation of Defence services. If you''re passionate about solving complex technical challenges and building scalable, secure platforms in mission-critical environments, this is an excellent opportunity to make a real impact.You''ll work with cross-functional teams including front-end developers, UX specialists, architects and stakeholders, building the infrastructure and services behind modern, cloud-native applications.What you''ll be doing:Developing end-to-end features as part of an agile, collaborative teamBuilding and deploying cloud-native, containerised applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDBContributing to DevSecOps delivery pipelines, using tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS servicesApplying Site Reliability Engineering principles to ensure solutions are resilient, reliable and cost-effectiveSupporting clients and end users in making technical product decisions by clearly explaining trade-offs and recommended approachesParticipating in a community of engineers who share knowledge, run workshops and contribute to the wider engineering cultureLooking beyond day-to-day responsibilities to identify small details, ..... full job details .....