Penetration Tester & Red Team Expert (Apps, APIs, Cloud)

CodeWall; Greater London; Híbrido; GBP 65.000 - 90.000; Jornada completa

Descripción de la vacante

CodeWall, based in London, is seeking a hands-on Penetration Tester / Red Teamer for testing in customer environments. The role focuses on practical offensive security work, validating findings, and contributing to product improvements.

Mid-level experience is valued; practical ability matters more than certifications. You’ll deliver tests across applications, APIs, and infrastructure, support red-team exercises, and turn discoveries into scripts and repeatable test cases while communicating

Formación

• Hands-on penetration testing experience, ideally in an internal team or bug bounty programs.
• Ability to identify vulnerabilities manually, including auth weaknesses and injections.
• Comfort with web apps and APIs, infra or cloud testing is a plus.

Responsabilidades

• Deliver penetration tests on customer applications, APIs and infrastructure with guidance.
• Support red-team exercises by analyzing attack paths and weaknesses.
• Validate agent-generated findings with manual testing to confirm reproducibility.
• Develop concise proofs of concept showing exploitability and impact.
• Write clear technical reports with evidence and remediation guidance.

Conocimientos

Penetration testing

Red team / adversary emulation

Python scripting

Technical reporting

Herramientas

Burp Suite

Nmap

Descripción del empleo

CodeWall, based in London, is seeking a hands-on Penetration Tester / Red Teamer for testing in customer environments. The role focuses on practical offensive security work, validating findings, and contributing to product improvements.

Mid-level experience is valued; practical ability matters more than certifications. You’ll deliver tests across applications, APIs, and infrastructure, support red-team exercises, and turn discoveries into scripts and repeatable test cases while communicating