Riku Kenju
Frontend Engineer & Founder.

Building AI-native products — home of the Fully Baked pipeline and Arotaro, an AI tarot reading app on the Play Store.

• —Designed and run the Fully Baked pipeline — an end-to-end agentic automation that ships one Half Baked startup idea as a deployed prototype every night, 17+ apps to date.
• —Designed and launched Arotaro (https://arotaro.ai/) — a tarot reading app with AI-powered counselors, built in React Native around highly reusable components and iterated from behavioral analytics and user feedback.
• —Operate across the full stack: product framing, architecture, AI agent design, frontend, and deploy — every product ships with a live demo and public source.

Frontend engineer in the Experience & Devices org — shipped features across MSN.com and the Windows 11 Widgets canvas.

• —Designed and shipped the Inline Video feature for Windows 11 Widgets, driving a 0.2% DAU lift, a 1% increase in non-navigation click engagement, and directing an additional 1.69% of users to the Windows homepage.
• —Built the inline-pivot architecture that the Games and Windows 10 teams adopted to onboard their own inline content onto the Widgets canvas.
• —Led a performance optimization that removed unnecessary background API calls — 3.67% decrease in AppError occurrences and 3.83% improvement in Time to Visual Readiness (TTVR), plus reduced server cost.
• —Contributed to the MSN.com React → Web Components migration while maintaining UI parity, and analyzed global rollout scorecards to drive adjustments that unblocked wider rollouts.
• —Shipped early Edge Sidebar features — infinite-scrolling news feed, in-place article reading, and customizable sidebar tabs.

Full-stack engineer working across Ruby on Rails, React, and Node.js — grew from SE I to principal maintainer of Launchpad, the company's auth and user management portal.

• —Designed the architecture for a fast, scalable platform-wide permission management service on AWS serverless — DynamoDB, Lambda, and SQS.
• —Shepherded 12+ projects from inception to production, contributing across architecture, data modeling, test plans, infrastructure, and cross-team rollout.
• —Acted as SME and go-to expert for new feature design and engineering decisions on Launchpad.
• —Led the Backbone.js → React migration as a junior engineer, improving application robustness and speed.