Masamichi Iimori
Hi, I’m Masamichi Iimori, a full-stack engineer with 3+ years of full-time experience in web application development and over 6 years including internships.
About
Hi, I’m Masamichi Iimori, a full-stack engineer with 3+ years of full-time experience in web application development and over 6 years including internships. I enjoy building robust, scalable applications and collaborating with cross-functional teams to deliver customer value.
Currently I lead a tech team as Tech Lead, defining requirements and making technical decisions, mentoring teammates, and driving code quality through reviews. I also contributed to AI-powered feature development and helped land new contracts with clients within days of release.
- Joined November 2025
Skills· 17
Languages
- JapaneseFluent
- EnglishFluent
Industry experience
- Software & Internet
- Media & Entertainment
- Professional Services
Work experience· 11 roles
Led 5 team members; defined technical specs for new features; validated requirements with Product Manager; promoted code quality via code reviews and mentoring; led development of an AI-powered feature that secured a new contract within ~3 days of release.
Lead a 5-member team, defining requirements and technical specifications for new features. Promoted code quality and knowledge sharing through code reviews and mentorship. Led development of an AI-powered feature and secured a new contract with a client within approximately 3 days of its release.
Led feature development using Ruby on Rails, TypeScript, React.js, Next.js; led Scrum adoption; reduced video publishing wait times by more than half; designed database schema for multi-asynchronous processes; redesigned core video editing interface and timeline-based editing features.
Education
Certifications and awards· 6
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