Lead Application Security Tester

6 days ago


london, United Kingdom LT Harper - Cyber Security Recruitment Full time

Senior Application Security Tester/Source Code Reviewer


A highly innovative security provider who are rapidly expanding their offensive security function, are currently looking for an experienced Application Security Tester to join their NEW UK based team.


The successful Lead will have the opportunity to work within a number of different industry sectors, conducting a wide variety of exploitations whilst collaborating with the wider team. Extended support structure focused towards attaining further accreditations.


Due to the high level nature of the work, this is an On-Site position based in London


Senior Application Security Tester Responsibilities:

  • Leadership and Mentorship

Lead and mentor a team of penetration testers, providing guidance and support to ensure high-quality security assessments and continuous development of the team.

  • Security Testing of Developer Workflows and Mobile Applications:

Perform comprehensive security assessments on developer processes and mobile applications across iOS and Android platforms, identifying vulnerabilities and potential security threats.

  • Source Code Review:

Conduct detailed source code analysis to detect security flaws or weaknesses that could be exploited in software systems.

  • Execution of Security Assessments and Reporting:

Similar to Red Team operations, carry out thorough security assessments and compile detailed reports summarizing findings for review and remediation.


Senior Application Security Tester Requirements:

Location: Onsite at a Secure Facility, during standard business hours.

  • Relevant professional certifications such as GWAPT (GIAC Web Application Penetration Tester), OSCP (Offensive Security Certified Professional) or CCT APP or equivalent
  • 5+ years of experience in application security testing and source code review along with 2 years experience in a leadership role
  • Proficiency in multiple programming languages with a strong understanding of secure coding practices.
  • Excellent analytical skills and a keen attention to detail for identifying and addressing security vulnerabilities.
  • Experience with BurpSuite, Corellium, Checkmarx, Vercode, Plextrac, Cobaltstrike & more


If interested in the position, please reach out to Matthew Dobree-Carey on LinkedIn, forward your resume to or APPLY BELOW



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