I build reliable software and guide teams into shipping it.

Yusuke Hayashi

Software Engineer / Developer

I build reliable, user-focused products across web, cloud, and teams. I enjoy turning complex ideas into clear, maintainable software.

FocusAI / Web / Cloud
Experience10+ Years
MindsetPragmatic and practical
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About Me

Yusuke Hayashi

Software Engineer focused on shipping AI-enabled business applications that get adopted in production. At haya, I also run AI-adoption consulting: from workflow redesign to rollout and adoption support across teams.

Experiences

  1. Founder / AI Adoption Consultant @ haya Inc.

    Leading AI adoption consulting for teams and founders by planning, piloting, and scaling GenAI solutions.

  2. Contract Engineer @ GenerativeX

    Supported consulting initiatives by providing engineering execution support for AI adoption and practical rollout planning.

  3. Contract Engineer @ LayerX

    Delivered GenAI features with production-safe rollout practices and measurable quality metrics.

  4. Executive Dev Manager @ QuickWork

    Led feature prioritization, delivery quality, and cloud-native architecture alignment.

  5. Software Engineer @ Sony / SIE

    Designed and maintained scalable services with a strong emphasis on reliability and user value.

Education

  • The Open University of Japan (B.A.)
  • The University of Tokyo (Integrated Science)

Skills

AI

  • LLM integration
  • RAG pipelines
  • AI evaluation
  • Prompt design

Engineering

  • TypeScript / React / Next.js
  • Node.js / SQL / API design
  • Cloud infrastructure

Product Delivery

  • Workflow design
  • Team enablement
  • Production rollout

Contact

Whether you have a question or just want to say hi, I'll try my best to get back to you.