Ricardo Santoyo Reyes

Spearheaded development of scalable, reusable UI components using React, Next.js, Tailwind CSS, and GraphQL (Apollo), improving engineering velocity and reducing redundant code by 30% across the codebase. Led the architecture and growth of Hachiko, an internal design system and UI component library built with TypeScript and Tailwind CSS, driving visual consistency across 5+ applications and reduci

Owned the frontend architecture and technical vision from zero to production, laying the groundwork for a scalable platform using React, Next.js, and TypeScript. Built and shipped multiple full-featured products from scratch, leading UI implementation and collaborating closely with product and design to deliver seamless, accessible user experiences.

Enhanced frontend architecture by integrating Redux Toolkit, streamlining global state management and reducing boilerplate code by ~50%, accelerating feature delivery across distributed teams. Collaborated with backend and product teams to launch tools that supported clean energy incentive programs, contributing to a 30% increase in user sign-ups during launch quarter.

Led frontend development for high-impact client projects using React, Next.js, and Redux Toolkit, contributing to a 15% increase in conversion rates within the first 3 months of release. Integrated custom analytics pipelines via Google Tag Manager and Google Analytics, enabling real-time insights that informed A/B testing and boosted campaign performance by 20%.

Developed and maintained features for a high-traffic e-commerce platform serving hundreds of thousands of users monthly, ensuring responsive performance and seamless user experience during peak seasonal periods. Built interactive, accessible web interfaces using Backbone, HTML5/CSS3, and Vanilla JavaScript, contributing to a 20% improvement in task success rates on key user flows.

Developed a custom OTT (over-the-top) video platform and supporting web tools, enabling scalable video series consumption and expanding viewer engagement across multiple devices. Improved user conversion and retention rates by 25% through performance optimizations and UX enhancements across a multi-app ecosystem built with WordPress and Joomla.

Led end-to-end development of a custom PHP-based blog platform, integrating Google Calendar and social media to boost user engagement and improve content visibility by ~30%. Implemented fully responsive design using CSS media queries and flexible grid systems, achieving consistent cross-device compatibility with 99%+ browser coverage.

Designed and built a web application for student digital health assessments, used by over 500+ students in its first semester and reducing manual intake processing time by 70%. Led full-stack development using PHP, Materialize CSS, JavaScript, and MySQL, creating 10+ API endpoints and database schemas to support seamless data storage and retrieval for mental health analytics.

Studied Computational Systems Engineering, focusing on the design and development of software and hardware systems. Gained expertise in various programming languages, algorithms, and system architecture.