Java Developer

About Scrumconnect Consulting is a multi-award-winning digital consultancy whose work has positively influenced the lives of over 40 million UK citizens. We deliver impactful technology solutions across UK government departments, working at the forefront of user-centred design, agile delivery, and scalable digital services that genuinely make a difference.

Location:

Swansea, South Wales – hybrid model, 3 days onsite per week.

We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams in delivering large‑scale digital solutions. As a technical leader, you will drive engineering best practices, mentor developers, contribute to strategic technology decisions and collaborate closely with cross‑functional stakeholders to ensure successful project delivery.

• Lead the design, development, and maintenance of enterprise‑grade Back End applications using Java (8/11/17+) and Spring Boot.
• Define and drive technical architecture, coding standards and development best practices.
• Provide technical guidance and mentorship to development teams.
• Conduct code reviews and ensure high‑quality, maintainable and secure code.
• Collaborate with Solution Architects and Engineering Managers on technology roadmaps and architectural decisions.

• Design and implement RESTful APIs and microservices‑based solutions.
• Develop scalable, resilient and high‑performing Back End services.
• Integrate with internal and external systems through APIs, messaging platforms and event‑driven architectures.
• Ensure compliance with security, performance and reliability requirements.

• Participate in system architecture, technical design discussions and solution planning.
• Drive cloud‑native development practices and modernization initiatives.
• Identify and mitigate technical risks and performance bottlenecks.
• Ensure scalability, maintainability and extensibility of software solutions.

• Support and enhance CI/CD pipelines and automated deployment processes.
• Collaborate with Dev Ops teams to implement containerised and cloud‑based solutions.
• Contribute to Infrastructure as Code (IaC) initiatives using tools such as Terraform.
• Participate in release planning, production deployments and incident management.

• Work closely with Product Owners, Business Analysts, Architects, QA and Dev Ops teams.
• Translate business requirements into technical solutions.
• Communicate technical concepts effectively to both technical and non‑technical stakeholders.

• 8+ years of hands‑on software development experience with Java.
• Strong expertise in Java and Spring Boot frameworks.
• Extensive experience designing and implementing microservices architectures.
• Strong knowledge of RESTful API design and integration.
• Experience with Hibernate, JPA and ORM frameworks.
• Hands‑on experience with messaging technologies such as Kafka or Rabbit
  
  MQ.
• Experience with cloud platforms including AWS, Azure or GCP.
• Strong experience with Docker and Kubernetes.
• Proficiency with relational and No
  
  SQL databases such as Postgre
  
  SQL, MySQL, Mongo
  
  DB or similar.
• Deep understanding of application security, authentication, authorisation and secure coding practices.
• Experience with performance tuning, monitoring and troubleshooting distributed systems.
• Strong knowledge of Git, branching strategies and Agile/Scrum methodologies.

• Proven experience leading development teams and delivering complex enterprise projects.
• Ability to mentor developers and foster technical excellence.
• Experience managing technical deliverables, estimations and development planning.

• Experience working within regulated, standards‑driven or public sector environments (eg, GDS‑aligned projects).
• Experience implementing cloud‑native architectures and event‑driven systems.
• Familiarity…