Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Minsun Jung, a frontend engineer based in London. I have 3+ years of experience designing and delivering high-performance, accessible web apps for millions of users across e-commerce, fintech, and gaming. I thrive on collaborating with cross-functional teams to translate complex requirements into user-centric solutions, with a strong focus on customer experience and accessibility in every release. I enjoy building scalable design systems, optimizing performance, and ensuring robust testing and CI/CD practices.…Hi, I’m Minsun Jung, a frontend engineer based in London. I have 3+ years of experience designing and delivering high-performance, accessible web apps for millions of users across e-commerce, fintech, and gaming. I thrive on collaborating with cross-functional teams to translate complex requirements into user-centric solutions, with a strong focus on customer experience and accessibility in every release. I enjoy building scalable design systems, optimizing performance, and ensuring robust testing and CI/CD practices.

Minsun Jung

Front-End Developer, Web Developer, UI Designer, +5





Hi, I’m Minsun Jung, a frontend engineer based in London. I have 3+ years of experience designing and delivering high-performance, accessible web apps for millions of users across e-commerce, fintech, and gaming. I thrive on collaborating with cross-functional teams to translate complex requirements into user-centric solutions, with a strong focus on customer experience and accessibility in every release. I enjoy building scalable design systems, optimizing performance, and ensuring robust testing and CI/CD practices.…Hi, I’m Minsun Jung, a frontend engineer based in London. I have 3+ years of experience designing and delivering high-performance, accessible web apps for millions of users across e-commerce, fintech, and gaming. I thrive on collaborating with cross-functional teams to translate complex requirements into user-centric solutions, with a strong focus on customer experience and accessibility in every release. I enjoy building scalable design systems, optimizing performance, and ensuring robust testing and CI/CD practices.

Available to hire

Hi, I’m Minsun Jung, a frontend engineer based in London. I have 3+ years of experience designing and delivering high-performance, accessible web apps for millions of users across e-commerce, fintech, and gaming.

I thrive on collaborating with cross-functional teams to translate complex requirements into user-centric solutions, with a strong focus on customer experience and accessibility in every release. I enjoy building scalable design systems, optimizing performance, and ensuring robust testing and CI/CD practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Frontend Engineer at NHN

August 31, 2024 - August 31, 2024

Led performance optimization for NHN's official website using Next.js SSR/SSG, achieving a 20% improvement in SEO scores and faster indexing. Migrated legacy HTML webviews to React for a fintech platform serving 3 million+ active users, resulting in a 5x increase in engagement and improved conversion rates. Optimized a global gaming platform through Lighthouse audits, implementing WebP conversion, lazy loading, and code splitting to achieve a 35% reduction in LCP and improved mobile UX. Built and maintained CI/CD infrastructure with Jenkins master-agent architecture and SSL-secured Nginx proxies, enabling automated deployments across 10+ frontend apps. Established testing standards with React Testing Library, Jest, and Cypress, delivering ~80% code coverage and reducing production bugs.

Frontend Engineer at NHN

August 1, 2024 - August 1, 2024

Led performance optimization for NHN's official website using Next.js SSR/SSG, achieving a 20% improvement in SEO scores and faster indexing. Architected migration of legacy HTML webviews to React for a fintech platform serving 3M+ active users, resulting in a 5x increase in engagement and improved conversion rates. Optimized a global gaming platform via Lighthouse audits, implementing WebP conversion, lazy loading, and code splitting to achieve a 35% LCP improvement and enhanced mobile UX. Built and maintained CI/CD infrastructure with Jenkins master-agent architecture and SSL-secured Nginx proxies, enabling automated deployments across 10+ frontend applications. Established testing standards with React Testing Library, Jest, and Cypress, achieving 80% code coverage and reducing production bugs.

Frontend Developer at Gitt

January 31, 2022 - January 31, 2022

Migrated an e-commerce platform from WordPress to React, reducing page load times from 3s to under 1s, driving a 20% engagement uplift and 80% YoY revenue growth. Built a reusable component design system with React components and GSAP animations, improving development velocity and enforcing a mobile-first UX. Addressed SEO challenges by implementing AWS Lambda@Edge for dynamic Open Graph generation, boosting search visibility by ~30% and increasing organic traffic.

Frontend Developer at Gitt

January 1, 2022 - January 1, 2022

Delivered React e-commerce platform migration from WordPress, reducing page load times from 3s to under 1s, leading to a 20% engagement boost and 80% YoY revenue growth. Developed a component design system with reusable React components and GSAP animations, improving development velocity and ensuring a consistent mobile-first user experience. Addressed critical SEO challenges by implementing AWS Lambda@Edge for dynamic Open Graph generation, improving search visibility by 30% and increasing organic traffic.

Frontend Developer Intern at Uitti

March 31, 2021 - March 31, 2021

Implemented Atomic Design methodology and Storybook documentation system, standardizing component development and accelerating onboarding.

Frontend Developer Intern at Uitti

March 1, 2021 - March 1, 2021

Implemented Atomic Design methodology and Storybook documentation system, standardizing component development and accelerating team onboarding processes.