Technical Project Manager
Summary
Technical Project Manager in Tokyo who owns enterprise wallet and payment-platform projects end to end — requirements definition, external vendor management, releases, and ongoing operations — reviewing specs, code, estimates, and acceptance tests while coordinating customers, business stakeholders, legal, and dev vendors. Requires a web/API development background and daily use of LLMs like Claude
You will take ownership of enterprise wallet and payment-platform projects from requirements definition through vendor management, release, and ongoing operations. You will review technical specifications, code, estimates, acceptance tests, and operational processes; coordinate customers, business stakeholders, legal, and external development vendors; and support technical presales.
Responsibilities
- Lead Wallet Core and Payment Core projects, managing scope, schedule, quality, and cost
- Manage external development vendors, including specification communication, estimate evaluation, progress tracking, issue management, deliverable review, and acceptance
- Review requirements, API specifications, and acceptance tests
- Coordinate integration specifications with customer systems
- Manage releases, including customer impact communication, procedures, rehearsals, production deployment, and post-release reporting
- Design monitoring, incident response, inquiry flows, and change management, and lead ongoing operations
- Translate legal and compliance considerations into system requirements
- Support technical presales by assessing feasibility, estimated effort, and risks
Requirements
- Have 3+ years of practical software-development experience with web systems or APIs
- Read code and API specifications and independently assess design issues and estimate validity
- Understand web-backend fundamentals including databases, authentication and authorization, external API integration, and asynchronous processing
- Have led at least one enterprise customer system-development project from specification definition through release with responsibility for quality and schedule
- Have experience aligning requirements and priorities among customers, sales, and development stakeholders
- Use coding agents or LLMs such as Claude Code daily for research, documentation, and code comprehension
- Have experience identifying and correcting errors in AI output
Benefits
- Social insurance
- Free office drinks
- Refresh leave every two years
- Internal recreation subsidy of JPY 8,000 per quarter
- Company social events once or twice per year
- Gym-use subsidy
- Influenza vaccination subsidy
- Marriage leave