Software Engineer C++

Third Nexus Group Limited

📍 Royston, Hertfordshire, United Kingdom

Full-time computer-and-mathematical Posted June 16, 2026

Job Description

Software Engineer - C++, Rust, Security Products

Perm

Royston / Cambridge area

Salary - £55,000 - £67,100pa

My client is looking for a Software Engineer with strong experience of C++, Rust and Security Products. This is working within the clients incubated cyber security scale-up.

They build high-security hardware and software products used by defence, security, energy and government organisations. This is genuine product engineering rather than consultancy delivery.

Candidates will work on secure network products, embedded systems and software that operates in highly sensitive environments.

What we're looking For

Candidates with approximately:

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2-5 years software engineering experience

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Relevant degree or equivalent commercial experience

Key skills include some combination of:

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Modern C++

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Rust

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Python

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