Senior Application Security Engineer

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

This is an exciting opportunity for an experienced Senior Application Security Engineer to join a truly world-class business, which will give you access to incredible learning and development opportunities, and work on assignment with an equally exciting customer. If you are a Senior Application Security Engineer, or similar, with the skill set listed above, then get in touch right away to find out more!

If you are interested in this position or would like to discuss further, please send your CV for immediate review.