NOINDEX

Ryuhei Yokokawa

Tech Lead, Engineer, & More

High-output Staff Engineer specializing in frontend architecture, state management, and AI-assisted development workflows. Founder experience with a focus on building products that matter.

Experience

Staff Engineer - Tech Lead

Nov 2022 — Present
Brightwheel

3 years

  • Provide technical leadership to cross-functional teams at early childhood education platform serving tens of thousands of schools nationwide
  • Lead R&D for OCR/Multi-modal LLM parser from concept to production, conducting evals and prompt engineering
  • Led development of Onboarding and Learning Platform systems, at times leading a team of 7 engineers for rapid parallelization
  • Lead project planning and introduced better ticket/work organization for improved team output/efficiency

Technical Lead & Sr. Engineer

June 2020 — Nov 2022
Glowforge Inc

2.5 years

  • Led UK direct-to-consumer launch with cross-functional team, handling internationalization and data backfill
  • Led performance optimization reducing LCP from 4s to 2.5s (50% speed improvement)
  • Designed and implemented A/B testing system for marketing campaigns
  • Provided technical leadership and mentorship to cross-functional teams

Founder / Engineer

Sept 2010 — Jan 2020
Y-Designs, Inc

4 person digital agency | 10 years

  • Founded digital agency specializing in rapid prototyping and MVP development
  • Managed concurrent projects across industries (social networks, blockchain, media, e-commerce)
  • Grew revenue 10x from year 1 to year 6
  • Led development of anonymous social network (Sondry) and video rendering platform (MinMax)

Skills

Professional

Technical Leadership Software Development Project Management Product Development Spec Creation Agile/Waterfall UI/UX Design

Languages / Frameworks

JavaScript/TypeScript React/Next.js/GraphQL Node.js/Express HTML/CSS/SCSS Rails/Ruby/SQL Python/LangChain

Tools / Services

Claude Code/Cursor/Antigravity AWS/GCP/Kubernetes Terraform/Helm SQL/NoSQL/Redis Git/CI/CD Analytics/Metabase

Education

Whitman College

May 2008
B.A. Astronomy-Geology Combined
  • Bachelor's degree in the sciences.
  • Thesis included software and data analysis.
  • Created multiple web apps for the college during summer internships.