Intelligence jobs in United Kingdom

Java Developer

Location - London

Clearance Required: UK*C DV / EDV

About the Role:

We are seeking a skilled Java Developer to join our growing team supporting projects in the Defence and National Security sector. You will work on mission-critical systems that support national safety, intelligence, and operational capabilities. This role demands a combination of strong technical skills and an understanding of working within secure, regulated environments.

Key Responsibilities:

• Design, develop, and maintain Java-based applications for secure systems. Participate in the full software development lifecycle: requirements gathering, analysis, design, development, testing, and deployment.
• Collaborate with cross-functional teams including system architects, cybersecurity specialists, and data analysts.
• Ensure code quality, security compliance, and performance through rigorous testing and review processes.
• Support integration with existing defence systems and third-party tools.
• Write and maintain documentation in line with secure software engineering practices.

Required Qualifications and Skills:

• Proven experience in Java (SE/EE) development (typically 3+ years).
• Strong understanding of object-oriented programming and design patterns.
• Familiarity with agile methodologies
• Proficiency in tools such as Maven, Jenkins, Git, and JIRA.
• Good understanding of databases (e.g., PostgreSQL, Oracle, MySQL).
• Ability to work in high-assurance environments with strict compliance standards.

Desirable:

• Active security clearance (UK*C / EDV).
• Experience in defence, intelligence, or national security projects.
• Knowledge of messaging systems (Kafka, JMS), microservices architecture, or container technologies (Docker, Kubernetes).
• Familiarity with cloud platforms used in secure environments (e.g., AWS GovCloud, Azure Government).

What We Offer:

• Competitive salary with performance-based bonuses.
• Opportunities to work on cutting-edge defence technologies.
• Continuous professional development, training, and certification support.
• A collaborative, purpose-driven work environment where security and mission impact matter.