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I'm a full-stack web developer with over 4 years of experience building e-commerce platforms, AI-driven search systems, and automated banner generation tools. I specialize in both backend and frontend work, and I’ve led initiatives to modernize legacy systems while delivering AI-enhanced features. I thrive in cross-functional teams, value user-centric solutions, and enjoy solving complex problems with a proactive, collaborative approach. In cross-functional teams, I value collaboration, clear communication, and problem-solving mindset to ship reliable software.…I'm a full-stack web developer with over 4 years of experience building e-commerce platforms, AI-driven search systems, and automated banner generation tools. I specialize in both backend and frontend work, and I’ve led initiatives to modernize legacy systems while delivering AI-enhanced features. I thrive in cross-functional teams, value user-centric solutions, and enjoy solving complex problems with a proactive, collaborative approach. In cross-functional teams, I value collaboration, clear communication, and problem-solving mindset to ship reliable software.

Youjin Lee

Web Developer, Full Stack Developer, Programmer, +2

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I'm a full-stack web developer with over 4 years of experience building e-commerce platforms, AI-driven search systems, and automated banner generation tools. I specialize in both backend and frontend work, and I’ve led initiatives to modernize legacy systems while delivering AI-enhanced features. I thrive in cross-functional teams, value user-centric solutions, and enjoy solving complex problems with a proactive, collaborative approach. In cross-functional teams, I value collaboration, clear communication, and problem-solving mindset to ship reliable software.…I'm a full-stack web developer with over 4 years of experience building e-commerce platforms, AI-driven search systems, and automated banner generation tools. I specialize in both backend and frontend work, and I’ve led initiatives to modernize legacy systems while delivering AI-enhanced features. I thrive in cross-functional teams, value user-centric solutions, and enjoy solving complex problems with a proactive, collaborative approach. In cross-functional teams, I value collaboration, clear communication, and problem-solving mindset to ship reliable software.

Available to hire

I’m a full-stack web developer with over 4 years of experience building e-commerce platforms, AI-driven search systems, and automated banner generation tools. I specialize in both backend and frontend work, and I’ve led initiatives to modernize legacy systems while delivering AI-enhanced features. I thrive in cross-functional teams, value user-centric solutions, and enjoy solving complex problems with a proactive, collaborative approach.

In cross-functional teams, I value collaboration, clear communication, and problem-solving mindset to ship reliable software.

Skills

Experience Level

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Japanese

Advanced

English

Intermediate

Work Experience

Web Developer, AI Solution Development Team at Daewon CTS Co., Ltd.

January 1, 2022 - Present

Led full-stack development of the ComputerKorea (shopping mall) website and admin platform (PHP, CodeIgniter 3). Built internal APIs and optimized database queries to improve search speed and scalability. Developed FamilyComco shopping mall (PHP template-based full-stack). Designed and implemented Looming website (ASP.NET). Created RPA management and execution logic (Power Automate + ASP.NET). Built a Python FastAPI microservice for automated event banner generation and background removal. Enhanced shopping mall search with AI-based semantic search using Python + Vector DB.

IT Innovation Team – Web Developer at Synergy Consulting

January 1, 2022 - September 25, 2025

Participated in in-house management program development for Daewon CTS as an agent developer.

Merchandiser (MD) at Innsbruck Co., Ltd.

February 1, 2020 - September 25, 2025

Planned and managed indie cosmetics promotional events. Conducted order placement and product management tasks.