Application Penetration Tester

3 weeks ago


London, United Kingdom Acumin Full time
Job Description

About the Role:


We are seeking an experienced Application Penetration Tester with a strong background in cybersecurity and application security to join our dynamic security team. In this role, you will be responsible for identifying and addressing vulnerabilities in web, mobile , and cloud-native applications while collaborating with global development teams to ensure continuous security improvements. You will play a crucial role in protecting applications from evolving threats by performing security assessments, code reviews, and threat modeling.


Key Responsibilities:


  • Conduct comprehensive security testing of web and mobile applications (iOS and Android), as well as developer workflows.
  • Perform static and dynamic code reviews to detect vulnerabilities using tools like SAST , DAST , and SCA .
  • Execute detailed security assessments for cloud-based architectures and produce comprehensive reports with actionable recommendations.
  • Collaborate with global development teams to ensure secure coding practices and continuous improvement of application security.
  • Engage in threat modeling and adversary emulation to simulate attack scenarios and enhance application defenses.
  • Stay updated on the latest application security threats, vulnerabilities, and mitigation strategies.


Required Skills and Experience:


Bachelor’s degree in Computer Science, Software Engineering , or equivalent work experience.

  • 3-5+ years of hands-on experience in application security testing and code reviews .
  • Proficiency in multiple programming languages (e.g., Java, Python, JavaScript, etc.) for security analysis.
  • Expertise with security testing tools, including Burp Suite , Checkmarx , SAST & DAST tools .
  • Experience with cloud platforms such as AWS , Azure , and knowledge of their security models.
  • Certifications such as GWAPT , OSCP , CEH , or other relevant security certifications.
  • Strong analytical and problem-solving skills with a focus on security impact and risk mitigation.


Preferred Qualifications:


  • Hands-on experience with mobile application security (iOS and Android).
  • Experience with CI/CD pipeline security and integrating security tools into developer workflows.
  • Knowledge of adversary emulation frameworks and threat intelligence .


Why Join Us:


Work with a passionate, global team on cutting-edge security challenges.

  • Opportunities for continuous professional growth, including certifications and training.
  • Flexible working hours and remote options.
  • Competitive salary and benefits package.


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