Founder / Solo Developer
OpenPaint
Turns photos and measurement requests into clear annotated documents instead of messy back-and-forth clarification.
Vanilla JS
TypeScript
Fabric.js
Node.js
Campaign no. 05
Practical tools. Sharp workflows. Better user understanding.
I build practical web tools that solve workflow problems. My background in bilingual customer operations and ICT teaching strengthens my ability to understand users, communicate clearly, and ship software that is usable in real business contexts.
Flagship
OpenPaint
Turns photos and measurement requests into clear annotated documents instead of messy back-and-forth clarification.
Role
Full-Stack Developer
JavaScript, TypeScript, Node.js, Python, UI tooling, measurement workflows, internal tools, and customer-facing product thinking.
Solo Developer
3d-measurement-app
Extends measurement workflows into a more scalable 3D system with separate client and company-facing surfaces.
Next.js 15
React 19
TypeScript
React Three Fiber
Solo Developer
svgMerge
Improves how measurement-guide SVG assets are inspected, corrected, and maintained in an internal pipeline.
JavaScript
HTML
CSS
Paper.js
Solo Developer
threeWood
Explores interactive 3D systems and visual direction through a procedural retro golf game.
Three.js
JavaScript
Procedural generation
Gameplay systems
Frontend
JavaScript • TypeScript • HTML5 • CSS3 • Canvas • SVG • Fabric.js • Three.js
Backend
Node.js • Express • Python • Django • REST APIs • Authentication patterns
Tooling
Git • Vite • Playwright • Vitest • Deployment workflows
Product Context
Shopify • Gorgias • Customer operations • Workflow design
Languages
English • Japanese (JLPT N2)
Independent Product Development
Shipped practical tools for annotation, measurement, asset editing, and graphics-heavy workflows.
Bilingual Customer Operations
Reframed as technical operations and customer-facing problem solving.
ICT Teaching and Technical Communication
Reframed as technical communication, curriculum design, and web-development instruction.