Job Summary

Job Type:: Contract

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Job Description

Job Title

Senior Application Security Engineer

Location

London, UK

Rate

£575 per day, Inside IR35 (dependent on experience)

Duration

6 months

Tec Partners are working with a leading technology client, who are currently looking for an experienced Senior Application Security Engineer to work on a customer assignment, providing subject matter expertise across code review, penetration testing, and secure development lifecycle initiatives.

As a Senior Application Security Engineer, you will combine hands-on technical delivery with cross-team guidance, serving as the go-to expert on application security for internal development teams.

Key Responsibilities

Be an application security subject matter expert, guiding internal development teams
Perform code reviews, penetration tests, and architectural reviews on existing and new applications
Develop, implement, and communicate vulnerability mitigation strategies
Handle externally reported vulnerabilities
Drive the static and dynamic application security testing (SAST/DAST) programme
Advise development teams on secure SDLC best practices

What we are looking for

5+ years' experience as an Information Security Researcher or Engineer
3+ years' experience manually auditing source code, or strong programming skills in Java, .NET, Python, or JavaScript frameworks
Strong understanding of OWASP Top 10, API security risks, and cloud-native application architecture
Proven experience in application penetration testing and security code review
Experience with SAST, DAST, IAST, and SCA tools and processes
Solid understanding of CI/CD pipelines and DevSecOps principles

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