Lead Software Engineer

Requirements:

• Strong commercial experience with Golang.
• Expertise in building microservices and distributed systems.
• Proven technical leadership experience.
• Strong architecture and systems design skills.
• Experience with Docker, PostgreSQL, MongoDB, and secure CI/CD.
• A security‑first mindset.
• Confidence mentoring engineers and influencing technical direction.
• Experience using AI to accelerate software delivery.
• Bonus: cyber security or regulated industry experience.
• Bonus: Kubernetes and cloud‑native technologies.
• Bonus: OWASP, ISO 27001, or IEC 62443.
• Bonus: open‑source contributions.

Responsibilities:

• Define technical solutions alongside the Head of Development.
• Own detailed system design and technical specifications.
• Lead backend development using Golang and modern microservices.
• Mentor engineers and raise technical standards.
• Champion secure software engineering and DevSecOps.
• Drive AI‑assisted development, from rapid prototyping through to code review.
• Build secure, scalable APIs and distributed systems.
• Improve performance, reliability, and engineering quality.

Technologies:

• AI
• Backend
• CI/CD
• Cloud
• DevSecOps
• Docker
• Golang
• Kubernetes
• MongoDB
• OWASP
• PostgreSQL
• Security
• microservices

More:

We are an innovative cyber security company scaling rapidly and protecting critical infrastructure around the world. This is a Lead Engineer role based in South West London, working office‑based five days per week, with a salary of £70,000 to £90,000 plus bonus. You will work closely with our Head of Development as a technical right hand, shaping architecture, influencing engineering standards, and driving AI‑assisted development while remaining hands‑on with the code. This is a strong opportunity for someone who wants genuine technical ownership, clear impact, and the chance to help build more than software.

last updated 27 week of 2026

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