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Job ID : 1566694 Date Updated : November 26th, 2025

No Japanese Language Required Security Specialist - Product

Hiring Company Enterprise-size Fintech Company
Location Tokyo - 23 Wards, Minato-ku
Job Type Permanent Full-time
Salary 8 million yen ~ 17 million yen

Work Style

Casual Clothing Side Business Ok Flex Time

Job Description

Responsibilities and Duties

This position leverages knowledge and experience in coding, infrastructure, etc., to collaborate with developers and information systems personnel to maintain and enhance the security of the digital bank. As a Product Security Specialist, you will promote the following tasks in collaboration with security specialists:

  • Establishing security guardrails for cloud environments
  • In-house security consulting: Providing technical advice on security to in-house developers, architecture reviews, etc.
  • Development of security-related tools and scripts
  • Implementation and deployment of frameworks such as NIST CSF, CIS Controls
  • Implementation of DevSecOps, including K8s, Docker, CI/CD

General Requirements

Minimum Experience Level Over 6 years
Career Level Mid Career
Minimum English Level Business Level (Amount Used: English Only)
Minimum Japanese Level None
Minimum Education Level Technical/Vocational College
Visa Status Permission to work in Japan required

Required Skills

Required Skills and Experience

  • Basic understanding of computer science, including networks, OS, data structures, cryptographic theory
  • Development experience in any programming language or practical experience in security-by-design
  • Knowledge or experience in any of the following
    • Vulnerability assessment
    • Cloud security
    • Experience in building and operating DevSecOps
    • Experience in building and operating security solutions such as WAF, IDS/IPS, SIEM

 

Preferred Skills and Experience

  • Experience in CTF
  • Experience in bug hunting, obtaining CVEs
  • Certifications such as CISSP, CISM, OSCP, GCIH
  • Deep understanding of authentication and authorization, OIDC, OAuth
  • Experience in security-related work in the financial or Fintech industry, such as FISC
  • Experience in AI development and/or experience in using AI tools to improve development processes.

 

Job Location

  • Tokyo - 23 Wards, Minato-ku

Work Conditions

Job Type Permanent Full-time
Salary 8 million yen ~ 17 million yen
Work Hours 9:30 - 18:30
Industry Internet, Web Services

Job Category

Company Details

Company Type Large Company (more than 300 employees)
Non-Japanese Ratio About half Japanese