James Jaeho LeeNext.js Developer
I craft beautiful, responsive web experiences with modern technologies. Passionate about clean code, smooth animations, and user-centered design.
About Me
Passionate about creating beautiful, responsive web experiences
Hi! I'm James, a passionate Full Stack developer with over 3 years of experience creating beautiful, responsive web applications. I specialize in modern frontend technologies and love bringing designs to life with smooth animations and interactive experiences.When I'm not coding, you can find me exploring the latest web technologies, contributing to open source projects, or sharing knowledge with the developer community.
Experience
Software Engineer
Mobistream Solutions
Revamped platform features using Vue, React Native, and Backbone.js, improving load times by 25%.
Spearheaded code quality initiatives, reducing production bugs by 30%.
Enhanced and expanded the Quaver component library, cutting new feature development time by 20%.
Software Engineer II, Web
21Shares
Led major product rebrand using Next.js, GraphQL, and SSR architecture, doubling web traffic. Built a TypeScript component library that cut development time by 35%. Created document automation workflows that saved 10+ hours/week. Mentored junior engineers, reducing onboarding time by 30%. Defined roadmap priorities with stakeholders, improving customer satisfaction metrics by 45%.
Software Engineer
SPARKS&HONEY
Developed data dashboards with React and TypeScript, increasing user adoption by 65%. Built optimized REST APIs and integrated real-time data features. Redesigned 10+ dashboards in Figma, boosting UX satisfaction scores by 40%.
Lead Software Engineer
RAGNAROK NYC
● Delivered 33+ client projects using Shopify and Magento with custom SPAs and RESTful APIs.
● Created automation scripts that improved data migration efficiency by 80%.
● Scaled backend systems and infrastructure for high-traffic ecommerce clients.
Skills & Technologies
Database
Backend
Styling
Language
frontend
My Work
A collection of projects that showcase my skills and passion for creating exceptional digital experiences
Split Trip
Application to use when you go on a trip with friends and wanna split the bill at the end.
Pokedex-TCG
Pokemon pokedex that looks up trading cards for the first 151 pokemon.
Compxny
Domain Brokeage site that I created for a friend who was trying to sell domians directly to clients vs thru goDaddy.
NFL Prediction Model
A machine learning system that predicts NFL game outcomes using historical data and advanced features. The goal is to achieve high accuracy in predicting game winners for weekly NFL games.
Get In Touch
Have a project in mind or just want to chat? I'd love to hear from you. Let's create something amazing together!