Senior Software Engineer

Overview

We’re looking for Senior Software Engineers to join our growing team in Gloucester, working on high-impact Defence, Cyber and Intelligence programmes. If you want to build secure, innovative software that helps protect critical national capabilities—this is the opportunity.

You’ll work with modern Dev Sec Ops  practices, contribute to state-of-the-art applications, and have the flexibility of hybrid working and a 4-day flex schedule. Whether you specialise in one area or enjoy working across multiple domains, we’ll support your development and career growth.

If you’re passionate about building secure, modern software and want to work on projects that genuinely matter, we’d love to hear from you. Even if you don’t meet every requirement, please apply—your skills and perspective may be exactly what we need.

• Develop and maintain secure software under the guidance of a Software Engineering Lead
• Design and build tests for debugging and validation
• Translate complex requirements into effective, scalable solutions
• Investigate and resolve software defects
• Produce technical documentation and operating instructions
• Analyse system behaviour and performance
• Drive automation across IaC, CI/CD and testing

• Knowledge of unit testing frameworks such as JUnit 5
• Git and Agile/Scrum experience
• Experience with relational or document databases (Oracle, Mongo
  
  DB)
• Git Lab CI/CD, Apache NiFi, Bitbucket/Jira/Confluence
• Elasticsearch, Kibana and Hibernate
• Cloud-focused CI/CD pipelines

• Microservices or serverless architecture experience
• Knowledge of cloud migration challenges

Security Clearance: DV clearance is required to start.