> Markdown version of [/jobs/ext/3032337-cyber-security-engineer](https://www.wearedevelopers.com/jobs/ext/3032337-cyber-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Cyber Security Engineer

- **Company:** RemoteJobsOne
- **Location:** London, UK (Remote available)
- **Salary:** £62,400.0 - £208,000.0
- **Contract:** Contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Software System Penetration Testing, Application Performance Management, Software Bug Management, C++ (Programming Language), Cyber Security, Software Debugging, Python (Programming Language), Information Technology Security Auditing, Software Engineering, TypeScript, Rust (Programming Language), Cyber Threat Analysis, Backend, Data Analytics, Codebase, Code Restructuring, Vulnerability Analysis, Golang
- **Published:** September 23, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5894631602

## About the Role

1. Expertise in one or more languages: Python3, Java, Rust, Go, C++, or TypeScript.
 2. Proven experience in debugging, bug fixing, and backend development for complex systems.
 3. Strong background in cybersecurity practices, including pentesting, security audit, and vulnerability assessment.
 4. Proficiency in algorithms, codebase refactoring, and optimizing software for performance and security.
 5. Ability to communicate complex technical findings clearly and concisely.
 6. Familiarity with secure software development lifecycles and modern threat landscapes.
 7. Experience contributing to AI-related or data-driven projects is a plus, but not required.

## Description

the company is selecting Cyber Security Engineers to contribute technical expertise to a dynamic customer project. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required - your domain knowledge is what matters.

What we're looking for:

 1. Analyze, debug, and resolve software bugs and vulnerabilities across diverse codebases.
 2. Implement new features and enhance existing functionality in projects using Python3, Java, Rust, Go, C++, or TypeScript.
 3. Refactor legacy code to improve maintainability, security, and performance.
 4. Perform codebase audits, penetration testing, and other security assessments to identify and mitigate risks.
 5. Contribute to backend development and optimize application performance for scalability and security.
 6. Document findings, suggest improvements, and provide real-world insights to improve AI training datasets.


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology)
- [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see)
- [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)
- [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)