Java Developer

London
9 months ago
Applications closed

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Java Developer – London | Permanent | 4-day Flex Working
Defence, Cyber & Intelligence Programmes | Competitive Benefits

About 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

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