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Application Security Engineer Software Financial Services Greater London

Freelancehybrid5+ yrs📍 Greater London, 🇬🇧 United Kingdom🗣 English

Application Security Engineer for investment bank, securing software and managing security tools.

Work with a Tier 1 investment bank to design and maintain security tools and services, collaborating with development teams on secure code practices. You'll handle SAST/DAST tools, software composition analysis, threat modelling, and cloud security across AWS and Azure. Requires deep application security expertise, coding ability, and ideally prior financial services experience; CISSP or similar certification valued.

Tech stack
PythonJavaScriptC#PowerShellGitHubAWSAzureSAST
Rate
£500-700/day
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Found at a specialist agency · listed 24 October 2026 · InsideJobs links you to the original posting.