Senior Backend Java Engineer

Senior Backend Java EngineerRate: £500 - £575 a day pay inside Location: Remote, with expectations to attend onsite meetings when required (1-2 a month)Duration: 6 months+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 experienceStrong hands-on commercial coding experience with modern Java (Java v17 min, v21 LTS or newer preferred)Strong experience with Spring BootExperience building REST APIs / microservices from scratchStrong testing skills using JUnit, Mockito, and ideally TDDExperience with PostgreSQL or another relational SQL databaseExperience with DockerExperience with CI/CD pipelines (e.g. Jenkins, GitHub Actions, GitLab CI, Azure DevOps)Comfortable working in agile, cross-functional teamsHas current SC clearance, or is willing and eligible to undergo SC clearanceDesirableOpenAPI / SwaggerLiquibase or FlywayGradleKafkaObservability / monitoring experienceExposure to KubernetesSome awareness of React / TypeScriptWhat we need from candidatesBuilt backend services or APIs themselvesWorked on microservice-based systemsWritten automated tests as part of deliveryUsed Docker and CI/CD in practiceStayed technically current with ..... full job details .....