Software Engineer

Precept RecruitDerbyreedpublished 11/05/2026
Must-have:QA/TestSecuritySenior

Competitive Salary | Derby - Onsite | Permanent

We're recruiting for Senior Software Engineers and Software Engineers to join a growing and ambitious team at a pivotal stage in its journey.

Want to be part of a business that is disrupting the national security market? Our client is a fast-growing UK sovereign technology company delivering innovative encryption and secure communications solutions to some of the country's most demanding customers. Combining deep technical expertise with an agile, customer-focused approach, they are challenging the status quo and proving that world-class capability can come from a dynamic and ambitious SME.

We have opportunities for candidates at all levels, from recently qualified graduates looking to launch their careers to experienced Software Engineers seeking senior positions.

Security Requirements

Due to the sensitive nature of the role, applicants must:

  • Be British citizens.
  • Have resided in the UK for at least 7 of the last 10 years.
  • Be eligible to obtain and maintain unconditional Developed Vetting (DV) security clearance.

About You

You will be a motivated and enthusiastic engineer with a genuine passion for software development and engineering excellence.

You will have an excellent eye for detail, strong problem-solving abilities and the confidence to take ownership of tasks and responsibilities. You should be comfortable working under pressure, managing competing priorities and delivering work to agreed deadlines.

Above all, you will be committed to producing secure, reliable and maintainable software.

About the Opportunity

Are you a passionate Senior and Software Engineer looking to work on innovative, cutting-edge cyber security products and systems?

We are looking for talented Senior and Software Engineers to join an experienced and highly skilled engineering team developing and testing high-integrity software solutions within the cyber security sector.

This is an excellent opportunity to work on technically challenging projects where software quality, security and reliability are paramount. You will contribute to the development of high-integrity software, with a strong focus on functional correctness, formally defined specifications and industry-leading engineering standards.

Key Responsibilities

  • Analyse customer requirements and translate them into maintainable software designs.
  • Develop, test and maintain high-quality software applications and systems.
  • Undertake software unit testing and automated testing.
  • Develop software using embedded C/C++ and other relevant technologies.
  • Participate in code reviews and collaborative engineering activities.
  • Produce technical documentation and project deliverables.
  • Identify potential issues, investigate problems and recommend effective solutions.
  • Deliver high-quality engineering work within agreed project schedules.
  • Work collaboratively with colleagues while taking ownership of individual responsibilities.

Essential Skills & Experience

We are interested in candidates who can demonstrate:

  • A degree in Computer Science or an equivalent STEM subject.
  • Strong software design and coding skills.
  • Experience in software development (typically three or more years, although recent graduates will be considered for entry-level positions).
  • Embedded C/C++ development experience.
  • Knowledge of software unit testing, automation and associated tools such as LDRA or Parasoft.
  • Familiarity with MISRA or similar coding standards.
  • Understanding of static analysis tools and software quality assurance.
  • Excellent attention to detail and a commitment to delivering high-quality software.
  • Strong problem-solving, analytical and communication skills.
  • The ability to work effectively within a team and independently.

What's on offer:

  • 25 days annual leave
  • Company pension
  • 4x Death in service
  • EV car scheme
  • Benefit platform with high street discounts

If you have the experience we are looking for and you think you will succeed within this industry and role, apply today.