Salary: £37,000 - 68,500 per year Requirements: Professional C++ development, including modern standards and performance-focused design Developing and debugging within Linux environments Working on complex, long-lived systems where stability and quality matter Agile ways of working and collaborative engineering practices Diagnosing and resolving issues in production or operational systems Must be SC eligible (typically 5 years UK residency) Additional experience with networking concepts, concurrency, or scripting (Python/Bash) is beneficial but not required Responsibilities: Build and evolve performance-critical software using modern C++, with a strong focus on reliability and scalability Develop and debug software on Linux platforms, working across the full build and runtime lifecycle Play a key role in strengthening and extending secure, mission-critical platforms Work closely with other engineers in agile teams, influencing technical decisions and improving quality through collaboration Investigate and resolve complex technical issues, including supporting systems deployed in live environments Technologies: Bash Linux Python Security C++ More: We are a leading UK tech and security innovator offering a Senior C++ Developer role based in Manchester. In our trusted engineering environment, you will work on projects that genuinely make a national impact. We provide a competitive salary of £60,000-£75,000, 25 days of holiday plus bank holidays, a strong pension, and optional health benefits. Join us for long-term career development within a high-impact, secure environment that supports growth, collaboration, and ownership. last updated 18 week of 2026