Bilingual Full-Stack DeveloperBuilding Practical Toolsfor Real-World Workflows
JavaScript, TypeScript, Node.js, Python, UI tooling, measurement workflows, internal tools, and customer-facing product thinking.
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.

Best fit
Product + support-tech teams
Why it works
Builds and communicates
Why hire him now
Shipped workflow products
Not toy apps. The portfolio leads with measurement, annotation, and internal tooling work built around actual operational use.
Why hire him now
Bilingual English/Japanese communication
Useful for teams that need someone who can work across engineers, operators, and customers without losing clarity.
Why hire him now
Customer-facing product judgment
Support and operations experience improves the ability to turn messy requests into software that feels usable immediately.
OpenPaint proves end-to-end product ownership
Built to reduce clarification loops around measurement requests by turning photos into structured, exportable visual documents that teams can actually use.
Problem
Turns photos and measurement requests into clear annotated documents instead of messy back-and-forth clarification.
Ownership
Owned the product from frontend canvas interactions through backend services, exports, deployment, testing, and workflow fit.
Stack
What makes it strong
Product thinking is visible in the feature set, not just the stack
Shows a real use case with operational usefulness
Demonstrates architecture, UX, QA, and delivery in one cohesive system
Solo Developer
3d-measurement-app
Extends measurement workflows into a more scalable 3D system with separate client and company-facing surfaces.
A multi-part product prototype with a client portal, company dashboard, API server, and shared packages for authenticated 3D measurement workflows.
Solo Developer
svgMerge
Improves how measurement-guide SVG assets are inspected, corrected, and maintained in an internal pipeline.
An internal graphics workflow tool for browsing, editing, and exporting measurement-guide assets with stronger control over anchors, groups, and layout accuracy.
Solo Developer
threeWood
Explores interactive 3D systems and visual direction through a procedural retro golf game.
A personality project that demonstrates procedural generation, graphics programming, and a distinct creative point of view.
How I work
Skills grouped around product building
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)
Why this background is useful
Useful beyond pure code output
Bilingual communication that helps products land
English and Japanese communication supports work across customers, operations teams, and engineers, which is especially valuable for Japan-based product and support-tech roles.
Customer-facing workflow understanding
Experience around Shopify, Gorgias, issue resolution, and day-to-day operations improves judgment about what users actually need software to do.
Technical teaching and clear explanation
ICT teaching experience strengthens technical communication, demo-building, and the ability to explain implementation details to non-experts.
Why Japan-facing teams should care
Signals that travel well
Bilingual communication for technical and non-technical teams
Shipped product work with practical, business-facing use cases
Frontend and full-stack execution with workflow awareness
Teaching and support background used as strengths, not detours
Experience validation
Independent Product Development
Shipped practical tools for annotation, measurement, asset editing, and graphics-heavy workflows.
Built products from frontend UX through backend services, exports, deployment, and QA
Strongest fit is solving operational workflow problems with usable software
Experience validation
Bilingual Customer Operations
Reframed as technical operations and customer-facing problem solving.
Worked across Shopify workflows, Gorgias, issue resolution, and troubleshooting
Bridged customer needs with operational clarity and cross-functional communication
Experience validation
ICT Teaching and Technical Communication
Reframed as technical communication, curriculum design, and web-development instruction.
Taught and explained Python, Django, HTML, and CSS clearly
Built demo apps and digital assessment workflows
This should read as: this person can build useful products and communicate across teams.
Best fit for product-minded engineering teams in Japan that need someone who can ship real interfaces, understand workflow pain, and explain technical decisions clearly.