English summary for screening — check the original posting before applying.
TOKIUM is seeking a Senior Security Engineer to design and implement security assurance systems for AI-generated code and development environments. The role focuses on product and development security to support business growth, aiming to improve productivity by automating routine tasks.
Must-haves
- 3+ years of security engineering experience for web applications or cloud services
- Experience leading threat modeling, secure coding reviews, or vulnerability management
- Ability to design security as a mechanism to improve development productivity
- Openness to AI and automation
- Ability to communicate across development, SRE, and management teams
Nice-to-haves
- Experience as a security lead or team lead for SaaS/BtoB products
- Experience with SBOM and supply chain security
- Experience with countermeasures against AI agent/LLM threats
- Practical experience in identity and access management
- Practical experience in information security for BtoB domains (accounting, finance)
- Security certifications (CISSP, CSSLP, OSCP)
Tech stack
Ruby on RailsTypeScriptReactAWSAnsibleDatadog
Work style
Hybrid model with the possibility of remote work twice a week. Primarily Tokyo Head Office.
Other notes
Annual salary: ¥8,000,000 - ¥12,000,000