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Let's build something great together. Whether you need a full-stack developer for your next project, cloud infrastructure consulting, or a technical partner for your startup, I'm always open to new opportunities and collaborations.
| Availability | Open for freelance — 1-2 concurrent projects |
|---|---|
| Response Time | Within 24 hours on business days |
| Languages | Japanese (native), English (business level) |
| Location | Saitama, Japan (remote-first, worldwide clients welcome) |
| Engagement | Short-term consulting (1-2 weeks) to long-term partnerships (3-6 months) |
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// Contact info
LOCATION Saitama, Japan
AVAILABILITY Open for freelance
// Services
- Full-stack web application development
- Cloud infrastructure design (AWS/GCP)
- CI/CD pipeline setup & automation
- Legacy system migration & modernization
- Technical architecture review
- Team leadership & mentoring
// FAQ
- What services do you offer?
- I provide full-stack web development, cloud infrastructure consulting, CI/CD pipeline setup, and technical team leadership. I specialize in TypeScript, React, Next.js, Node.js, and cloud-native solutions on AWS and GCP. Services include greenfield development, legacy system migration, performance optimization, and architecture review.
- What is your typical response time?
- I aim to respond to all inquiries within 24 hours on business days. For urgent project discussions, please mention it in your message subject. Initial consultations are free and typically last 30-60 minutes.
- Do you work with international clients?
- Yes, I work with both domestic (Japan) and international clients. I communicate fluently in both Japanese and English. I'm experienced with asynchronous communication across time zones and use tools like Slack, GitHub, and Notion for project collaboration.
- What is your availability?
- I am currently open for freelance projects. I typically work on 1-2 projects at a time to ensure quality and focus for each client. Engagements range from short-term consulting (1-2 weeks) to long-term development partnerships (3-6 months).
- What industries have you worked in?
- I have hands-on experience delivering production systems in healthcare (electronic medical records, patient management), finance (transaction systems), HR (management platforms), and IoT (real-time monitoring dashboards). This cross-domain experience helps me understand different compliance and scalability requirements.
- What is your development process?
- I follow an agile approach with iterative delivery. Projects typically start with a discovery phase to understand requirements, followed by architecture design, and then iterative development with regular demos and feedback cycles. I use GitHub for version control, CI/CD pipelines for automated testing and deployment, and maintain comprehensive documentation throughout.