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Webセキュリティエンジニア/ Web Security Engineer

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A multinational eCommerce company is looking for a Web Security Engineer / Penetration Testing Engineer. The selected candidate will conduct security testing, manage vulnerability findings, and support remediation across web, API, mobile, infrastructure, and GenAI systems. This is a contract role.

Responsibilities:

  • Perform security audits and penetration testing across network, infrastructure, web/API, mobile, and GenAI systems
  • Analyse source code and software components using industry-standard tools and OWASP-based practices
  • Create and manage vulnerability tickets with clear findings, risks, and remediation details
  • Coordinate kick-off meetings and connection checks before security testing begins
  • Communicate vulnerabilities and risk levels clearly to technical and non-technical stakeholders
  • Verify remediation actions, review evidence, and improve security testing processes

Requirements:

  • More than 3 years of experience in security auditing and testing
  • Experience in web application and network security testing
  • Prior experience with security tooling (DAST, SAST, SCA, CSPM, mobile application security, network/vulnerability scanner tools)
  • Knowledge of application vulnerabilities (e.g., OWASP Top 10) and remediation techniques
  • Knowledge of JIRA or other ticketing systems

Preferred requirements:

  • Experience in a DevSecOps environment and integration of security tools (e.g., SAST, DAST, SCA) into the development pipeline
  • Prior experience in team/project lead or management
  • Knowledge of public cloud security
  • Understanding of mobile application security testing
  • Familiarity with GenAI security
  • Possess valid security certifications (e.g., CISSP, OSCP, HTP CPTS, PNPT)

About the Company:

A multinational eCommerce company that has attracted consumers worldwide. With a long history of success in offering a wide range of retail services, this is an excellent organisation to work for.

Keywords:

ソフトウェア, プログラミング, IT, 技術職, 求人, 外資系

Job Ref: 31BLJL

Contract Type: Contract / Haken

Specialism: Information Technology

Focus: IT Management

Industry: New Media and Internet

Salary: Negotiable based on experience

Workplace Type: On-site

Experience Level: Associate

Location: Tokyo

Job Reference: 31BLJL-7FA16F1C

Date posted: 6 July 2026

Consultant: Jade Li