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I am a full stack developer of professional frontend experience complemented by a recent diploma in Computer Systems Technology from BCIT. I specialize in building scalable web applications using modern technologies like JavaScriptReact, TypeScript, SQL, and Node.js. I have a proven track record of delivering production-ready features for SaaS platforms and developing complete e-commerce solutions from scratch. Throughout my experience, I have contributed to multiple client projects, collaborating closely with product teams, QA, and backend developers in Agile environments. I'm passionate about creating reusable UI components, integrating REST APIs, and enhancing user experience with thoughtful design and interactions.…I am a full stack developer of professional frontend experience complemented by a recent diploma in Computer Systems Technology from BCIT. I specialize in building scalable web applications using modern technologies like JavaScriptReact, TypeScript, SQL, and Node.js. I have a proven track record of delivering production-ready features for SaaS platforms and developing complete e-commerce solutions from scratch. Throughout my experience, I have contributed to multiple client projects, collaborating closely with product teams, QA, and backend developers in Agile environments. I'm passionate about creating reusable UI components, integrating REST APIs, and enhancing user experience with thoughtful design and interactions.

Heesun Lee

Full Stack Developer, Front-End Developer, Back-End Developer, +3

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I am a full stack developer of professional frontend experience complemented by a recent diploma in Computer Systems Technology from BCIT. I specialize in building scalable web applications using modern technologies like JavaScriptReact, TypeScript, SQL, and Node.js. I have a proven track record of delivering production-ready features for SaaS platforms and developing complete e-commerce solutions from scratch. Throughout my experience, I have contributed to multiple client projects, collaborating closely with product teams, QA, and backend developers in Agile environments. I'm passionate about creating reusable UI components, integrating REST APIs, and enhancing user experience with thoughtful design and interactions.…I am a full stack developer of professional frontend experience complemented by a recent diploma in Computer Systems Technology from BCIT. I specialize in building scalable web applications using modern technologies like JavaScriptReact, TypeScript, SQL, and Node.js. I have a proven track record of delivering production-ready features for SaaS platforms and developing complete e-commerce solutions from scratch. Throughout my experience, I have contributed to multiple client projects, collaborating closely with product teams, QA, and backend developers in Agile environments. I'm passionate about creating reusable UI components, integrating REST APIs, and enhancing user experience with thoughtful design and interactions.

Available to hire

I am a full stack developer of professional frontend experience complemented by a recent diploma in Computer Systems Technology from BCIT. I specialize in building scalable web applications using modern technologies like JavaScriptReact, TypeScript, SQL, and Node.js. I have a proven track record of delivering production-ready features for SaaS platforms and developing complete e-commerce solutions from scratch.

Throughout my experience, I have contributed to multiple client projects, collaborating closely with product teams, QA, and backend developers in Agile environments. I’m passionate about creating reusable UI components, integrating REST APIs, and enhancing user experience with thoughtful design and interactions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Korean

Advanced

Work Experience

Full Stack Engineer Intern at Totem

April 1, 2025 - September 24, 2025

Built the admin dashboard for a child story book service and implemented Node.js REST APIs for search, filtering, and login. Created responsive front-end UI with React and CSS-in-JS, translating Figma designs into pixel-perfect components. Collaborated with team members in an Agile workflow, contributing to both front-end and back-end development.

Web Application Developer (Co-op) at Celayix

August 1, 2024 - September 24, 2025

Developed new scheduling features for a SaaS workflow management system using React, TypeScript, and Redux. Built reusable UI components and migrated legacy code from Flux to Redux. Collaborated with teammates in an Agile workflow, contributing to both frontend and backend development.

Web Application Developer Intern at Celayix

August 1, 2024 - August 28, 2025

Migrated Flux modules to Redux, improving maintainability and state consistency. Built reusable React + TypeScript components including forms, tables, and scheduling UI wired to REST APIs. Collaborated with QA, backend, and product teams in Agile sprints.

Web Application Developer Intern at Celayix

August 1, 2024 - August 28, 2025

Migrated Flux modules to Redux, improving maintainability and state consistency. Built reusable React and TypeScript components such as forms, tables, and scheduling UI wired to REST APIs. Collaborated with QA, backend, and product teams using Agile sprints.

Frontend Engineer at GrotesQ Studio

November 1, 2021 - September 24, 2025

Built web and mobile applications with React, Next.js, and React Native in a fast-paced agency environment. Delivered pixel-perfect, cross-browser UI and improved performance via lazy loading and code-splitting. Collaborated with design and back-end teams in an Agile workflow.

Frontend Engineer at GrotesQ Studio

November 1, 2021 - August 28, 2025

Developed web frontends with React and mobile apps with React Native for client projects. Built responsive, reusable UI components such as charts, tables, and forms using libraries like Bootstrap, MUI, and styled-components. Integrated REST APIs and implemented UX features such as skeleton loading and infinite scroll for smoother interactions.

Frontend Engineer at GrotesQ Studio

November 1, 2021 - August 28, 2025

Developed web frontends using React and mobile apps with React Native for client projects. Built responsive and reusable UI components like charts, tables, and forms using Bootstrap, MUI, and styled-components. Integrated REST APIs and implemented UX features such as skeleton loading and infinite scroll.

Frontend (UI/UX) Engineer at AOW Design Agency

June 1, 2020 - August 28, 2025

Built animation-rich brand sites and practical back-office UIs with attention to detail and consistency. Developed pixel-perfect pages using HTML/CSS/JavaScript; implemented scroll-triggered animations using GSAP and ScrollMagic. Created dashboards and back-office services with DataTables.js and Chart.js.

Frontend (UI/UX) Engineer at AOWD Design Agency

June 1, 2020 - August 28, 2025

Built animation-rich brand sites and practical back-office UIs with attention to detail and consistency. Developed pixel-perfect pages with HTML, CSS, and JavaScript, implementing scroll-triggered animations (GSAP / ScrollMagic). Built dashboards and back-office services with DataTables.js and Chart.js.