Senior Software Engineer

Company: Copello Global
Apply for the Senior Software Engineer
Location: Portsmouth
Job Description:

Senior Software Engineer

Location – Southampton, Hampshire, 2 days a week.

Salary – Up to £80k plus bonus.

Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application.

Security – Due to the nature of this position, you must be eligible to achieve a minimum of SC clearance, be a British Citizen and have resided in the UK for the last 5 years.

Overview:

Copello are working with a leading defence business who are looking for a skilled Senior Software Engineer to join a dynamic team working on RF communication and sensor systems.

Key Responsibilities:

  • Design and develop software components
  • Implement and test software within an agile team
  • Collaborate with stakeholders to ensure technical excellence
  • Evaluate trade-offs and support technical decisions
  • Contribute to system understanding and future development
  • Support and guide junior team members, if in a leadership role

Required Skills:

  • Degree in engineering, computer science, or related field
  • Knowledge of sensor and communication systems
  • Experience across full product lifecycle
  • Proficiency in multiple programming languages (C++, C#, Python)
  • Experience xwzovoh with Agile and modern development tools (Git, GitLab, VS Code)
  • Ability to work effectively in technical environments

Nice to Have Skills:

  • UI design and development
  • Embedded systems development
  • Linux, kernel drivers, DevOps (CI/CD, Docker)
  • Team leadership or management experience

To apply, please send your CV to

Posted: April 4th, 2026