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Job ID : 1534928 Date Updated : April 24th, 2025
【Eng-Only】 App Security Tester

【Eng-Only】 App Security Tester

Location Tokyo - 23 Wards
Job Type Contract
Salary 6 million yen ~ 7 million yen

Job Description

You will be part of a global cybersecurity team dedicated to protecting the digital infrastructure.
Your primary focus will be on conducting in-depth security testing of web applications and APIs to uncover vulnerabilities before they become threats.
This role also involves end-to-end security assessment processes-from planning and execution to reporting and retesting-ensuring the services remain secure for millions of users worldwide.

Client Details

Join a global tech innovator known for its expansive suite of online services and commitment to digital security.
With a strong international presence and a vibrant work culture, this company leads in secure software development and cutting-edge cybersecurity practices.

Description

  • Perform web application and API penetration testing
  • Follow OWASP and industry-standard testing methodologies
  • Conduct network scans using tools like Nmap and Nessus
  • Report and document findings via detailed vulnerability tickets
  • Lead pre-test meetings and ensure all conditions are met
  • Support vulnerability remediation and conduct re-testing

Job Offer

  • Tokyo-based hybrid role at a modern accessible office
  • International and English-speaking work environment
  • Opportunity to advance your career in a highly skilled international security team

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Taishi Oyamada on +813 6832 8665.

General Requirements

Minimum Experience Level No experience
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level None
Minimum Education Level Bachelor's Degree
Visa Status No permission to work in Japan required

Required Skills

  • Experienced in web application penetration testing
  • Skilled in network scanning and vulnerability assessments
  • Strong attention to detail with analytical mindset
  • Business-level English (Japanese proficiency is optional)
  • Bonus: Knowledge of cloud security and/or mobile app security

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary 6 million yen ~ 7 million yen
Industry Internet, Web Services

Job Category

  • IT, Web and Communication > Security Engineer, Architect
  • IT, Web and Communication > Network Engineer