Java Software Engineer – Real-Time Defense (SC, IR35)

Avanti Recruitment; East Knighton; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A recruitment agency in the UK is seeking Contract Java Software Engineers for long-term defence projects involving secure and mission-critical systems. Preferred candidates will have experience in sonar, submarine, or maritime combat systems. Responsibilities include software development in a Java-led environment focusing on system design and operational visualisation. Candidates should be eligible for SC clearance, and a mix of onsite work is expected for this six-month contract with potential extensions.

Qualifications

• Previous defence experience preferred, especially with sonar or submarine systems.
• Experience in Java-led development environments.
• Familiarity with system design and operational visualisation.

Responsibilities

• Develop software for secure, real-time and mission-critical systems.
• Work on system design and integration tasks.
• Engage in complex data handling and visualisation.

Skills

Java (core + enterprise)

UML / software modelling

Service-oriented or open architectures

Microservices

TCP/IP and comms middleware

Windows / Linux environments

Virtualisation / containerisation

APIs (design & integration)

Databases / SQL

Real-time data, visualisation or HMI experience

Job description

A recruitment agency in the UK is seeking Contract Java Software Engineers for long-term defence projects involving secure and mission-critical systems. Preferred candidates will have experience in sonar, submarine, or maritime combat systems. Responsibilities include software development in a Java-led environment focusing on system design and operational visualisation. Candidates should be eligible for SC clearance, and a mix of onsite work is expected for this six-month contract with potential extensions.