J

My Journey as a Senior Frontend Engineer

12+ years of experience building modern web applications

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My Background

I'm a Senior Frontend Engineer with 12+ years of experience specializing in modern web application development at startups and growth-stage companies. I have a strong focus on frontend development with complementary backend skills and expertise in building scalable, responsive, and intuitive user interfaces.

I have a proven track record of developing real-time collaborative features, AI-powered interfaces, and implementing cutting-edge technologies. My technical expertise includes React, TypeScript, Vue.js, React Native, Next.js, and various modern frontend frameworks and tools.

Professional Experience

Senior Software Engineer

FoxyAI, United States

October 2022 - Present

  • Joined as the first frontend engineer at a seed-stage AI-powered real estate analytics startup (recognized as a top 100 proptech company), contributing to a 2× increase in annual revenue.

  • Built modern frontend architecture using Next.js 14, React Server Components, TypeScript, and TanStack Query, deploying to Vercel for optimal performance and reliability.

  • Developed canvas-based overlay system for property damage detection, enabling precise marking and analysis of structural issues on real estate images.

  • Generated professional PDF reports using react-pdf, creating customizable property analysis documents with dynamic content and branding.

  • Integrated FoxyGPT (custom AI assistant) into the platform, enabling natural language property analysis and report generation through a chat interface.

  • Optimized rendering performance for property visualization, reducing initial load time and improving Time to Interactive metrics.

Senior Software Engineer

Diffco, United States

June 2019 - September 2022

  • Developed 10+ client projects across health tech, fintech, and B2B SaaS industries with primary focus on frontend implementation.

  • Built responsive web applications using various frontend technologies including React, Next.js, Vue.js, Nuxt.js, and React Native.

  • Set up and managed monorepo architecture using Nx for large-scale applications, improving code sharing and build efficiency.

  • Created modular component libraries with Storybook that accelerated development across multiple projects and improved design consistency.

  • Implemented headless CMS solutions using Contentful and DatoCMS for marketing websites and content-driven applications.

Frontend Engineer

Miro, United States

June 2015 - April 2019

  • Developed interactive canvas features including zoom, drag, and cursor synchronization.

  • Built real-time collaboration infrastructure using WebSockets and custom state management.

  • Integrated GraphQL APIs to replace REST endpoints and improve performance.

  • Created Node.js microservices for user presence and real-time notifications.

  • Contributed to Miro's design system, ensuring consistency across the growing product.

Frontend Developer

Tictail, United States

August 2013 - May 2015

  • Built merchant tools and storefront customization features using AngularJS and Node.js.

  • Developed RESTful APIs for product, order, and analytics functionality.

  • Implemented content management capabilities for blogs and marketing.

  • Created responsive templates and collaborated with designers on UI standards.

Education

Master's Degree in Computer Science

University of Tokyo

2011 - 2013

Bachelor's Degree in Computer Science

UCLA

2007 - 2011