Java Developers (SC)

You will be a hands-on engineer with strong experience in modern Java development, event-driven architectures, and microservices-based solutions. The role requires close collaboration with architects, product teams, DevOps engineers, and other delivery partners to accelerate service delivery whilst maintaining high engineering standards., * Build and enhance Java-based microservices within parallel delivery workstreams.

• Design and implement secure, scalable APIs and Back End services.
• Develop event-driven solutions leveraging Kafka-based architectures.
• Create cloud-native applications and integrations within AWS.
• Translate OpenAPI specifications into robust REST services using generated stubs and code generation approaches.
• Implement resilient patterns including idempotency and exactly-once-effect processing.
• Develop and maintain database schemas and migrations using PostgreSQL and Flyway/Liquibase.
• Contribute to CI/CD pipelines and DevOps practices.
• Write comprehensive automated tests including unit, integration and contract tests.
• Participate in technical design discussions, code reviews and architectural decision-making.
• Work effectively within Agile multidisciplinary teams delivering government services.

• Java & Backend Engineering
• 6+ years’ commercial Java development experience.

Strong expertise with:

• Java 17+
• Spring Boot 3
• Spring Kafka
• Proven experience building microservices and distributed systems.
• Strong understanding of event-driven architecture patterns.
• API Development
• Experience designing and implementing RESTful services from OpenAPI specifications.
• Experience using generated API stubs and code generation tooling.
• Strong understanding of API versioning, security and governance.
• Messaging & Integration
• Extensive experience with Apache Kafka.

Desirable Skills

• Experience delivering solutions within UK Central Government or wider public sector.
• Knowledge of Government Digital Service (GDS) standards and service assessments.
• Microsoft Dynamics 365 integration experience.
• .NET/C# development experience.
• Terraform or Infrastructure as Code tooling.
• Docker and Kubernetes.
• DevSecOps and Secure by Design practices.