Hybrid Java Developer – Security, Intelligence

Posted 2 days ago

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About the role

  • Java Engineer responsible for secure software services within classified government environments, collaborating with cross-functional agile teams on high-performance backend systems.

Responsibilities

  • Design, develop and maintain secure Java-based backend services supporting mission-critical and operational systems.
  • Build scalable microservices architectures and robust RESTful APIs to support data-driven and intelligence platforms.
  • Engineer high-performance, distributed applications capable of processing large volumes of data with low latency and high reliability.
  • Integrate Java applications with data platforms, streaming services and analytics pipelines, including AI/ML-enabled systems.
  • Apply secure coding practices and ensure solutions meet stringent performance, reliability and security requirements.
  • Contribute to architectural design, code reviews, automated testing and continuous improvement activities.
  • Implement logging, monitoring and observability to support the operation of production systems.
  • Collaborate closely with multi-disciplinary teams including engineers, data specialists and operational stakeholders.

Requirements

  • Strong experience developing Java-based backend applications (Java 11+) using modern frameworks such as Spring Boot / Spring Framework.
  • Solid understanding of object-oriented design, software architecture and building RESTful APIs.
  • Experience designing and developing distributed systems and microservices architectures, including service-to-service communication and API integration patterns.
  • Proven ability to build high-performance, scalable backend systems for data-intensive or mission-critical applications.
  • Experience working in DevSecOps environments, including Docker, Kubernetes, CI/CD pipelines, automated testing and observability tooling.
  • Ability to work directly with stakeholders to understand requirements and translate them into robust, secure and scalable software solutions.
  • Comfortable working in secure or regulated environments, delivering software within complex operational constraints.

Benefits

  • 25 days of annual leave plus your birthday off
  • Private Medical Insurance
  • Security Clearance Bonus: Up to £5,000 a year
  • Ongoing training and development
  • Fitness reimbursement scheme
  • Life Assurance
  • Smarter Retirement Planning
  • Perkbox membership
  • Paid volunteering days

Job title

Java Developer – Security, Intelligence

Job type

Experience level

Mid levelSenior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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