Copello
Backend Software Developer
Job Description
Salary: £63,000 - 103,000 per year
Requirements:- Python
- Linux
- Bash scripting
- Git
- Docker
- Messaging or streaming technologies (e.g. Kafka or Apache Pulsar)
- Experience working in Agile/Scrum teams
- Tooling such as Atlassian or GitLab
- Exposure to CI/CD pipelines
- Valid DV clearance
- Write clean, secure and maintainable backend code
- Translate designs into working software, from concept to production
- Contribute to code reviews and shared technical decisions
- Design, build, test and document robust backend services
- Apply appropriate patterns using proven and emerging technologies
- Atlassian
- Backend
- Bash
- CI/CD
- Docker
- Git
- GitLab
- Kafka
- Linux
- Python
- Security
More:
We are a leading technology and engineering company supporting customers across defence and security, delivering systems that operate in the most demanding and sensitive environments. This Backend Software Engineer role is Romsey based and focused on delivering mission-critical software to help keep the UK safe, secure and prosperous. We are working on the feature development and maintenance of critical systems, solving complex, real-world problems.
last updated 37 week of 2026
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About Copello
Copello
Romsey
IT
Skills & Technologies
Inferred from job description
Salary Insight
£83,000
This role
£55,000
UK median
This salary is 51% above the UK median for Developers (£55,000/yr).
Based on 2024–2025 UK technology sector benchmarks