About Me

Get to know more about my journey, skills, and passion for creating exceptional digital experiences.

JL
Jae Lee
Full-Stack Developer
Daejeon, South Korea
5+ years experience
me@shiroel.com
Download Resume

My Story

Hello! I'm Jae Lee, a passionate full-stack developer with a love for creating beautiful, functional, and user-centered digital experiences. My journey in web development began 5 years ago, and I've been hooked ever since.

I specialize in modern web technologies including React, Next.js, TypeScript, and Node.js. I'm passionate about clean code, performance optimization, and creating intuitive user interfaces that make a difference.

When I'm not coding, you can find me exploring new technologies, contributing to open-source projects, or sharing knowledge with the developer community. I believe in continuous learning and staying up-to-date with the latest industry trends and best practices.

What I Do
  • • Full-stack web development
  • • UI/UX design and implementation
  • • Performance optimization
  • • Code review and mentoring
  • • Technical documentation
My Approach
  • • User-centered design thinking
  • • Clean, maintainable code
  • • Agile development practices
  • • Continuous integration/deployment
  • • Collaborative team environment
Fun Facts
50+
Projects Completed
10+
Technologies Mastered
100%
Client Satisfaction

Skills & Expertise

A comprehensive overview of my technical skills and proficiency levels across different areas of development.

Frontend Development
4 skills
Reactexpert
95%
Next.jsadvanced
80%
TypeScriptadvanced
80%
Tailwind CSSexpert
95%
Backend Development
2 skills
Node.jsadvanced
80%
Pythonintermediate
60%
Database
2 skills
PostgreSQLintermediate
60%
MongoDBintermediate
60%
Tools & Others
2 skills
Gitadvanced
80%
Dockerintermediate
60%
Skills Summary
Quick overview of my technical expertise
4
Frontend Development
2
Backend Development
2
Database
2
Tools & Others

Experience & Education

My professional journey, educational background, and awards that have shaped my expertise in web development.

Work Experience

Research Fellow
Seoul National University
full time
May 2025 - Present
Seoul, South Korea

Research Fellow at Seoul National University AI Institute (AIIS) and Graduate School of Public Health.

Key Responsibilities:

  • Conducting AI research in healthcare and public health domains
  • Developing machine learning models for medical data analysis
  • Collaborating with interdisciplinary research teams
  • Publishing research findings in academic journals
  • Mentoring graduate students and junior researchers

Key Achievements:

  • Leading cutting-edge AI research in healthcare applications
  • Contributing to public health policy through data-driven insights

Technologies Used:

PythonPyTorchRSQLVision Transformer
Software Engineer
Someple
part time
Jun 2024 - Present
Daejeon, South Korea

Software engineer working on innovative web applications and mobile solutions.

Key Responsibilities:

  • Developed scalable web applications using modern frameworks
  • Built responsive user interfaces and optimized user experience
  • Implemented backend services and database management systems
  • Collaborated with cross-functional teams in agile development
  • Maintained and updated existing applications for performance

Key Achievements:

  • Delivered multiple high-quality software solutions
  • Improved application performance and user satisfaction
  • Contributed to team growth and knowledge sharing

Technologies Used:

PythonMachine LearningDeep LearningReactNext.jsTypeScriptNode.jsPostgreSQLDocker
Chief Technology Officer
Our Home Doctor
full time
Jun 2025 - Sep 2025
Seoul, South Korea

Led technical strategy and development for healthcare technology platform.

Key Responsibilities:

  • Defined technical architecture and development roadmap
  • Led development team and managed technical resources
  • Oversaw product development and quality assurance
  • Collaborated with stakeholders to align technology with business goals
  • Implemented best practices for software development and deployment

Key Achievements:

  • Successfully launched healthcare platform features
  • Established robust development processes and standards
  • Led team through critical product development phases

Technologies Used:

Next.jsTypeScriptNode.jsPostgreSQLAWS
Developer
SPARCS
part time
Sep 2024 - Aug 2025
Seoul, South Korea

Software developer contributing to various projects and learning cutting-edge technologies.

Key Responsibilities:

  • Developed web applications and software solutions
  • Participated in code reviews and collaborative development
  • Learned and applied new technologies and frameworks
  • Contributed to open-source projects and community initiatives
  • Mentored junior developers and shared knowledge

Key Achievements:

  • Gained valuable experience in software development practices
  • Contributed to multiple successful project deliveries
  • Enhanced technical skills through hands-on experience

Technologies Used:

Next.jsTypeScriptPythonReactNode.jsGitLinuxDocker

Education

Bachelor of Science in Industrial Engineering
Korea Advanced Institute of Science and Technology (KAIST)
Feb 2024 - Present
Daejeon, South Korea

Pursuing degree in Industrial Engineering with focus on optimization, data analysis, and systems engineering.

Relevant Courses:

Operations ResearchData Analysis and StatisticsSystems EngineeringOptimization TheorySupply Chain Management
High School Diploma in Computational Mathematics
Korea Science Academy of KAIST
Feb 2021 - Feb 2024
Busan, South Korea

Specialized high school program focusing on computational mathematics and advanced science education.

Relevant Courses:

Advanced MathematicsComputer SciencePhysicsChemistryResearch Methodology

Awards

PIEthon 3.0 Hackathon Grand Prize
MD WINNERS, Economics and Business Administration Society, Seoul National University College of Medicine
Jul 2025

Won the grand prize in the PIEthon 3.0 Hackathon organized by Seoul National University College of Medicine.

Lotte-HKI Scholarship
Lotte Scholarship Foundation
May 2025

Received scholarship from Lotte Scholarship Foundation for academic excellence and potential.

E*5 KAIST Competition Runner-up
Startup KAIST
Nov 2024

Achieved runner-up position in E*5 KAIST student startup support program competition with Someple.

Hoejae Rising Star 2024 Scholarship
Hoejae I Eonjeok Memorial Foundation
Jul 2024

Received Rising Star scholarship from Hoejae I Eonjeok Memorial Foundation for outstanding academic performance.