Salary: £25,000 - 60,000 per year Requirements:

British citizenship
Residence in the UK for at least 7 of the last 10 years
Eligibility to obtain and maintain unconditional Developed Vetting (DV) security clearance
A degree in Computer Science or an equivalent STEM subject
Strong software design and coding skills
Software development experience, typically three or more years; recent graduates are also considered for entry-level positions
Embedded C/C++ development experience
Knowledge of software unit testing, automation, and 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 commitment to producing high-quality software
Strong problem-solving, analytical, and communication skills
Ability to work effectively both independently and as part of a team
Motivation, enthusiasm, and a genuine passion for software development and engineering excellence
Confidence taking ownership of tasks, managing competing priorities, working under pressure, and delivering to agreed deadlines

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
Collaborate with colleagues while taking ownership of individual responsibilities

Technologies:

Embedded
Security
C++

More:

We are a fast-growing UK sovereign technology company delivering innovative encryption and secure communications solutions to demanding customers in the national security market. We are growing an ambitious engineering team and offer opportunities for Software Engineers and Senior Software Engineers, including recent graduates and experienced candidates. You will join an experienced team developing and testing technically challenging, high-integrity cybersecurity software, with a focus on quality, security, reliability, functional correctness, formally defined specifications, and high engineering standards. The role is permanent and onsite in Derby. We offer 25 days of annual leave, a company pension, four-times salary death-in-service cover, an electric vehicle car scheme, and a benefits platform with high-street discounts.

last updated 45 week of 2026

Software Engineer

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