Areti Group | B Corp™
Senior Java Software Engineer
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Senior Java Developer
Up to £475 per day, Inside IR35
Initial 3-month contract
Max once per month onsite, Sheffield, Leeds or London
Active SC or SC eligibility required
UK government experience essential
We are looking for two experienced Senior Java Developers to support a major UK government digital programme. This role is suited to senior full-stack Java Developers with strong hands-on engineering experience across backend and frontend development. You will be working within an established agile delivery environment, building and maintaining scalable, secure, and high-quality digital services.
Previous experience working within a UK government organisation is essential for this role.
Key Responsibilities
- Design, build, and maintain Java-based digital services using Spring Boot, working closely with product, delivery, architecture, and engineering colleagues.
- Develop RESTful APIs, support front-end application development, and contribute to technical decisions across service design, data access, CI/CD, observability, and platform delivery.
- Help ensure applications are maintainable, scalable, and aligned with good engineering practices, including design principles, design patterns, structured logging, and monitoring.
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Essential Skills and Experience
- Strong Java development experience
- Senior full-stack development experience
- Previous experience working in a UK government organisation
- Strong Spring Boot experience
- Experience developing front-end applications
- Knowledge of Thymeleaf and the GOV.UK Design System
- Experience designing and developing RESTful APIs
- OpenAPI / Swagger experience
- API versioning experience
- SQL and relational database experience
- Spring Data JPA and Hibernate experience
- CI/CD pipeline experience, including GitHub Actions
- Helm charts experience
- AWS and Kubernetes experience
- Experience with observability, monitoring, and structured logging
- Experience using tools such as OpenSearch and Prometheus
- Strong understanding of software design principles and design patterns
- Excellent communication skills
- Ability to interview and start at short notice
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Desirable Experience
- Oracle database experience
- Active SC clearance
Contract Details
- Up to £475 per day
- Inside IR35
- Initial 3-month contract
- Active SC or SC eligible
- Max once per month onsite
- Location may vary between Sheffield, Leeds, or London
- ASAP start
This is a strong opportunity for experienced Senior Java Developers with UK government experience to contribute to meaningful public sector digital services.
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