Full-stack & AI software engineer
I’m Roc Yu, a full-stack and AI engineer with 15+ years of experience turning complex ideas into reliable products, agent workflows, and developer tools.
From AI agents and developer infrastructure to healthcare, education, and digital assets, I work across the stack to ship useful products, automate complex workflows, and make emerging technology dependable.
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Partner with product teams to design, build, and improve customer-facing platforms, AI agents, and internal tools. Recent work spans telehealth, e-commerce, workflow automation, integrations, backend architecture, and delivery.
Built web applications for a wide range of clients using Ruby on Rails and modern front-end technologies. Delivered commerce, energy, community, and large-scale data visualization products.
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An online mental healthcare platform connecting patients with psychiatric care, therapy, and coaching across the United States.
Contributed to the admin platform and API for a leading non-custodial digital wallet serving millions of users around the world.
Built the curriculum commerce platform from the ground up, helping teachers and families discover and purchase educational materials.
Worked on the e-commerce platform for Dr. Schulze’s herbal health products, supporting a large product catalog, subscriptions, and direct-to-consumer shopping.
Built interactive, data-rich experiences for Pew Research, Scripture Analytics, BLiNQ Media, and RGS Energy, translating complex datasets into accessible products.
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I’ve contributed to open-source software throughout my career, from foundational blockchain infrastructure to focused developer tools and Ruby libraries.
View all repositories04
AI agents, MCP, tool calling, LLM workflows, OpenAPI, GraphQL, prompt design
JavaScript, TypeScript, React, Vue, Svelte, HTML, CSS
Ruby, Rails, Go, Node.js, APIs, distributed systems
PostgreSQL, MySQL, MongoDB, AWS, Google Cloud
Codex, Claude Code, Cursor, GitHub Copilot, agent-assisted testing and delivery
Available for thoughtful projects