Jobs, fresher vacancy - Java Developer • UK

Company: Staffline

UK

Java Developer – London | Permanent | 4-day Flex WorkingDefence, Cyber & Intelligence Programmes | Competitive BenefitsAbout the Opportunity A leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national security, cyber defence, and intelligence sectors. You’ll play a key role in developing advanced DevSecOps solutions that protect critical digital infrastructure, while benefiting from a strong culture of flexibility, innovation, and continuous learning.Key Responsibilities Plan, conduct and coordinate software development activities through the full lifecycle Design, code, test, and debug high-quality software systems Collaborate with stakeholders to interpret and deliver customer requirements Analyse system capabilities to resolve queries related to program intent, output requirements, input data acquisition, and control techniques Develop operating instructions and maintain thorough documentation of programme development Support the implementation and maturation of CI/CD pipelines, particularly for cloud-based deployments Work within Agile Scrum teams and contribute to continuous improvement initiatives Mentor and support junior engineers where appropriate Essential Skills and Experience Proficient in Java (latest versions) and Python Strong development experience on Linux platforms Knowledge of unit testing and mocking frameworks, particularly JUnit 5.x (Jupiter) Familiar with Git version control and GitLab CI/CD pipelines Hands-on experience with Agile (Scrum) methodologies Database experience with Oracle and/or MongoDB Experience using the Atlassian suite: Bitbucket, Jira, and Confluence Desirable Skills Knowledge of Apache NiFi Front-end development with React (JavaScript/TypeScript) Working knowledge of Elasticsearch and Kibana Experience developing for cloud environments, particularly AWS (EC2, EKS, Fargate, IAM, S3, Lambda) Understanding of Hibernate ORM Experience building microservice or serverless architectures Knowledge of migrating on-premise applications to cloud environments Location and Work Style London 4-day flex working pattern to support excellent work-life balance. Security Clearance: Applicants must be eligible for DV/eDV clearance to be considered.If you're passionate about software innovation, cloud-native architectures, and making a real impact in national security, this is an outstanding opportunity to grow your career.Omega Resource Group is acting as an Employment Agency in relation to this vacancy.