Building scalabledigital products withmodern AI &full-stack systems.
Lead engineer · US & Japan · SaaS, commerce & platforms
Genki Nakamura — Software Engineer. Building scalable products across the US & Japan. Dynamic and results-oriented software engineer with extensive experience developing innovative solutions across industries. Proven expertise leading cross-functional teams and shipping high-quality, scalable applications in Next.js, Node.js, Python, and Go—committed to continuous learning and staying ahead of industry trends.
- 10+
- Years shipping web products
- 6
- Roles across top teams
- 40+
- Completed projects
- 30+
- Tools & technologies
Featured expertise
Where I lean in on complex builds—platform work, AI-enabled products, and reliable delivery.
Scalable architectures
Services, data models, and delivery pipelines designed for growth—from first customers to enterprise load.
AI integrations
Practical LLM features with guardrails, observability, and cost-aware design—not demoware.
Web & app development
Responsive web apps and mobile-friendly experiences—React, Next.js, and native-feel UIs shipped with solid performance, accessibility, and maintainable code.
Automation & platforms
Internal tooling and integrations that remove toil and keep teams shipping with confidence.
Professional experience
Leadership and delivery across global teams—from betting platforms to education and cloud-scale software.
Lead Software Engineer
EastWest Developers
Jan 2025 – Present
United States
- Spearheaded development of innovative software that streamlined operations and elevated user experiences.
- Led cross-functional teams through design, implementation, and deployment of complex systems.
- Delivered maintainable, high-quality code that earned trust from peers and stakeholders.
- Contributed to a collaborative culture as the company grew its industry presence.
Lead Developer | Co-founder
TOTOCLUB BETTING
Nov 2024 – Present
Japan
- Built a cutting-edge betting platform that improved UX and operational efficiency.
- Architected scalable, high-performance services with Go and GraphQL.
- Coordinated cross-functional teams for mission-critical systems and ongoing maintenance.
Senior Frontend Developer
Vue School
Jun 2023 – Sep 2024
Japan
- Led frontend delivery with Vue.js and Laravel, prioritizing performance and usability.
- Partnered with design and product to ship features and refine interfaces.
- Established coding standards for consistency and long-term maintainability.
Software Developer
Microsoft
Mar 2021 – Dec 2023
Japan
- Shipped solutions that improved performance, scalability, and user experience.
- Collaborated with engineers, designers, and PMs to architect complex systems.
Web Developer
Rakuten
Aug 2018 – Feb 2020
Japan
- Developed responsive web applications with seamless experiences across devices.
- Translated business requirements into scalable implementations with cross-functional partners.
Selected projects
API platforms, commerce at scale, AI-assisted SaaS, and long-running product stewardship.
Education
Advanced CS foundations with a focus on systems, algorithms, and disciplined engineering practice.
Master’s Degree / MSCS
Fukuoka University of Education
Feb 2011 – Jul 2016 · Fukuoka, Japan
Advanced software engineering topics spanning algorithms, data structures, and system design—paired with hands-on projects that strengthened practical delivery skills.
Skills & tooling
End-to-end fluency—from polished interfaces to data layers, infrastructure, and applied AI.
Let's build something exceptional
Reach out for collaborations, leadership roles, or ambitious greenfield products.
Open to opportunities
Direct lines
Prefer email or call?
I typically reply within one business day. For PDFs, grab the CV from the header anytime.