Hybrid App Sec Engineer – PenTesting & DevSecOps

Company: Barclay Simpson
Apply for the Hybrid App Sec Engineer – PenTesting & DevSecOps
Location: Shoreditch
Job Description:

Barclay Simpson is seeking an experienced Application Security Engineer to join its security function in a hybrid role across the UK. The position focuses on secure code reviews, SAST/DAST, vulnerability assessments and embedding security throughout the CI/CD lifecycle.

You will perform pre-release manual PenTesting and threat modelling, with strong emphasis on OWASP Top 10, Veracode tooling, and cloud security in Azure or AWS. Kali Linux experience is also valued.

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Posted: October 6th, 2026