Java Backend Engineer/Developer - SC Cleared

Senior Backend Java Engineer We are looking for a hands-on Senior Backend Java Engineer with recent experience building, testing, and deploying production-grade APIs and microservices. This is a coding-first backend role. We want someone actively engineering in their current or most recent role, not someone whose recent experience is mainly support, coordination, architecture-only, or line management.

Essential skills and experience Strong hands-on commercial coding experience with modern Java (Java v17 min, v21 LTS or newer preferred) Strong experience with Spring Boot Experience building REST APIs / microservices from scratch Strong testing skills using JUnit, Mockito, and ideally TDD Experience with PostgreSQL or another relational SQL database Experience with Docker Experience with CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Comfortable working in agile, cross-functional teams Has current SC clearance Desirable OpenAPI / Swagger Liquibase or Flyway Gradle Kafka Observability / monitoring experience Exposure to Kubernetes Some awareness of React / TypeScript What we need from candidates Built backend services or APIs themselves Worked on microservice-based systems Written automated tests as part of delivery Used Docker and CI/CD in practice Stayed technically current with modern Java and Spring Boot Non-negotiables Recent hands-on Java backend coding experience Built Spring Boot APIs/services from scratch Used Java 17/21+ in recent roles Written unit/integration tests Worked with SQL databases Used Docker and CI/CD Has SC clearance, or is willing and eligible to obtain it Ability to complete a practical coding assessment Profiles unlikely to be a fit Production support / L3 support Bug fixing only Release or process coordination Line management with limited coding Architecture / governance without recent delivery Legacy Java maintenance without clear modern backend engineering experience