Application Security Specialist: DevSecOps & AI Testing

Barclays

Knutsford

On-site

GBP 85,000 - 100,000

Full time

14 days+

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Job summary

Barclays in Knutsford seeks an Application Security Specialist to lead hands‑on analysis, delivery and enhancement of application security and DevSecOps capabilities across the software development lifecycle. You will champion secure coding and testing across Java/Spring, .NET, Go, Python or JS/TS, and collaborate with risk and governance to strengthen controls.

Key areas include SAST/SCA/DAST tooling, API security, and AI‑assisted security testing, with a focus on translating findings into

Qualifications

Experience in applying SAST, SCA or DAST tooling and tuning.
API security testing with authentication and authorization knowledge.
Secure coding practices in Java/Spring, .NET, Go, Python or JavaScript/TypeScript.
Ability to integrate testing into CI/CD pipelines and cloud-native environments (Kubernetes, containers).
Strong data analysis to identify trends and produce risk dashboards.

Responsibilities

Develop and execute application security assessments and threat models.
Translate findings into actionable remediation guidance for stakeholders.
Collaborate with engineering, risk and governance to improve control effectiveness.
Embed security controls across SDLC and DevSecOps.
Lead and challenge engineering teams on complex application security risks.