Security Engineer (Software) - Banking & Finance
Role Description & Technical Scope
Ready to take the next step in your career?
Join a leading algorithmic trading firm using state-of-the-art machine learning to produce price forecasts across more than 53,000 financial instruments spanning equities, fixed income, currencies, commodities, and crypto.
The organization is currently on the lookout for a Software Security Engineer to join its Information Security team, building tools and controls that protect a complex, large-scale technology environment. The ideal candidate will approach security challenges as a software engineer, bringing strong computer science fundamentals and hands on coding ability rather than a traditional analyst or penetration testing background.
Responsibilities:- Design and develop internal security tools and infrastructure
- Work with engineering teams to identify security weaknesses and build practical solutions
- Improve threat detection and security monitoring capabilities
- Develop defence-in-depth controls
- Contribute across requirements gathering, architecture, prototyping and development
- Support a broad range of security and compliance related projects
- Help improve authentication, authorisation and other core security systems
- 2-5 years of professional software engineering experience
- Strong computer science and software development fundamentals
- Proficiency in at least one statically typed programming language
- A clear interest in security or experience solving security focused engineering problems
- A good understanding of systems, infrastructure and how technology is built
- The ability to write clean, reliable and maintainable code
- Strong communication skills and the ability to work effectively with other engineers
- Someone who learns quickly, pays close attention to detail and can work autonomously
- Development is primarily in Golang, although previous Go experience is not required. Python is also used for scripting.
- Security focused personal projects
- Blogs, research or open source contributions
- Experience participating in CTFs
- Practical security certifications such as OSCP
- Experience building security tooling or secure infrastructure
- £200,000-£250,000 total compensation, with flexibility for exceptional candidates
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Key Details
- Date Posted: 21 Oct 2026
- Location: London
- Employment: Permanent
- Workplace: Hybrid
- Domain: IT, Software & Web Development
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Hamilton Barnes Associates Limited
Verified Tech EmployerEnterprise technology firm or security consultancy operating across the UK digital defense ecosystem.
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