Full-time

Senior Software Engineer

Posted by Copello • , , United Kingdom, , , United Kingdom, United-Kingdom

📍 , , United Kingdom, , , United Kingdom 🕒 February 28, 2026

About the Role

Senior Software Engineer - Cyber | Location: Onsite, Hampshire | Employment Type: Permanent | Salary: Competitive salary commensurate with experience, plus benefits | Security: Candidates must be eligible to obtain DV clearance due to the nature of the work.

Our client is seeking a highly skilled Senior/Principal Software Engineer to join a leading organisation specialising in advanced cryptographic and key management solutions that ensure secure information exchange worldwide. This role offers the opportunity to develop innovative security technologies in a dynamic, high-security environment.

What You Will Be Doing

  • Designing, implementing, and testing secure software solutions across various platforms and technologies.
  • Developing applications for embedded Linux, signal processing, data analytics, and web interfaces.
  • Writing clean, efficient code in languages such as C/C++ or Rust.
  • Collaborating with multidisci...

Ready to Apply?

Submit your application today and take the next step in your career journey with Copello.

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