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Hi there! I’m Yugyeong Lee-De Guzman, a San Francisco–based frontend and full‑stack developer who loves turning ideas into polished, accessible web experiences. I’ve built 10+ client websites using JavaScript, React, and Webflow, delivering responsive designs that meet client specs and boost user engagement. I value accessible design, robust testing, and collaborative product development, and I enjoy turning complex requirements into clean, maintainable code. My professional journey includes roles at Google, Splunk, Harmonize (intern), and Labeless, where I’ve contributed to design systems, UI/UX implementation, and scalable web solutions. I thrive in cross-functional teams and am committed to delivering high‑quality work that users can love and rely on.…Hi there! I’m Yugyeong Lee-De Guzman, a San Francisco–based frontend and full‑stack developer who loves turning ideas into polished, accessible web experiences. I’ve built 10+ client websites using JavaScript, React, and Webflow, delivering responsive designs that meet client specs and boost user engagement. I value accessible design, robust testing, and collaborative product development, and I enjoy turning complex requirements into clean, maintainable code. My professional journey includes roles at Google, Splunk, Harmonize (intern), and Labeless, where I’ve contributed to design systems, UI/UX implementation, and scalable web solutions. I thrive in cross-functional teams and am committed to delivering high‑quality work that users can love and rely on.

Yugyeong Lee-De Guzman

Web Developer, Front-End Developer, Full Stack Developer, +2

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Hi there! I’m Yugyeong Lee-De Guzman, a San Francisco–based frontend and full‑stack developer who loves turning ideas into polished, accessible web experiences. I’ve built 10+ client websites using JavaScript, React, and Webflow, delivering responsive designs that meet client specs and boost user engagement. I value accessible design, robust testing, and collaborative product development, and I enjoy turning complex requirements into clean, maintainable code. My professional journey includes roles at Google, Splunk, Harmonize (intern), and Labeless, where I’ve contributed to design systems, UI/UX implementation, and scalable web solutions. I thrive in cross-functional teams and am committed to delivering high‑quality work that users can love and rely on.…Hi there! I’m Yugyeong Lee-De Guzman, a San Francisco–based frontend and full‑stack developer who loves turning ideas into polished, accessible web experiences. I’ve built 10+ client websites using JavaScript, React, and Webflow, delivering responsive designs that meet client specs and boost user engagement. I value accessible design, robust testing, and collaborative product development, and I enjoy turning complex requirements into clean, maintainable code. My professional journey includes roles at Google, Splunk, Harmonize (intern), and Labeless, where I’ve contributed to design systems, UI/UX implementation, and scalable web solutions. I thrive in cross-functional teams and am committed to delivering high‑quality work that users can love and rely on.

Available to hire

Hi there! I’m Yugyeong Lee-De Guzman, a San Francisco–based frontend and full‑stack developer who loves turning ideas into polished, accessible web experiences. I’ve built 10+ client websites using JavaScript, React, and Webflow, delivering responsive designs that meet client specs and boost user engagement. I value accessible design, robust testing, and collaborative product development, and I enjoy turning complex requirements into clean, maintainable code.

My professional journey includes roles at Google, Splunk, Harmonize (intern), and Labeless, where I’ve contributed to design systems, UI/UX implementation, and scalable web solutions. I thrive in cross-functional teams and am committed to delivering high‑quality work that users can love and rely on.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Korean

Intermediate

Work Experience

Content Analyst at Google

September 1, 2025 - Present

Enforced Google Ads policies by analyzing ad creatives, keywords, and landing pages to ensure accuracy, compliance, and high content quality across GTech operations.

Web Developer at Labeless

December 1, 2023 - December 1, 2024

Developed 10+ client websites for Labeless (labeless.com) using JavaScript and Webflow, creating responsive, accessible designs that met client specifications and enhanced user engagement. Transformed Figma UI/UX designs into responsive, cross-browser websites with pixel-perfect accuracy and reusable component libraries.

Frontend Engineer at Splunk

May 1, 2021 - April 1, 2023

Developed a unified design system (splunkui.splunk.com) adhering to accessibility and modern UX standards. Implemented unit and functional tests with React Testing Library and Cypress, and ran visual regression tests with Storybook. Conducted in-depth screen reader tests (NVDA, JAWS, VoiceOver) to ensure WCAG compliance. Produced accessibility documentation for engineers, designers, and customers, and collaborated across teams to ensure seamless design‑to‑dev integration. Participated in code reviews to promote high-quality, efficient development.

Full Stack Engineer Intern at Harmonize

August 1, 2020 - November 1, 2020

Designed and implemented a contract generator tool (harmonizehq.com) using React, Node.js, HTML, CSS, MongoDB, and AWS, improving HR management workflow efficiency.