Activity Overview
Since 2018, I have been actively engaged in open source development on GitHub, continuing activities across a wide range of technical areas from personal project development to contributions to existing OSS projects.
Main Areas of Focus
Mobile App Development Tools
Development of libraries and tools for iOS/Android development. Published numerous UI component libraries particularly for Swift and Kotlin.
Web Development Frameworks
Micro-frameworks and utility libraries in PHP/JavaScript/Go. Boilerplate projects to improve development efficiency.
Development Tools & Automation
CI/CD pipeline construction, Docker configurations, script collections that automate development environment setup.
Key Projects
SwiftUI Component Library
Language: Swift
Overview: Collection of reusable SwiftUI components.
UI component library supporting modern iOS app development.
Microservice Template
Language: Go + Docker
Overview: Template for microservice development.
Complete starter kit including API Gateway, authentication, and logging.
Dev Environment Scripts
Language: Shell + Python
Overview: Script collection to automate development environment setup.
Setup tools supporting multiple languages and frameworks.
Technical Implementation and Highlights
Contribution Strategy
- Continuous Commits: Maintaining 500+ commits per year for 6 years
- Code Review Participation: Active reviews of other developers' pull requests
- Issue Response: Rapid response from bug reports to feature requests
- Documentation Enhancement: Comprehensive README and API documentation
Development Practices
- Test-Driven Development: Maintaining 90%+ test coverage in all projects
- CI/CD Implementation: Automated testing and deployment with GitHub Actions
- Semantic Versioning: Proper version management
- Security First: Vulnerability scanning and security best practices
Community Activities
- Mentorship: Supporting new contributors
- Technical Sharing: Sharing technical information through blogs and SNS
- Meetup Participation: Presentations at local developer community meetings
- Open Source Conversion: Converting parts of commercial projects to OSS
Results and Learnings
Total contributions over 6 years
Cumulative stars across public repositories
Number of developers who participated in projects
Key Learnings from Open Source Activities
- Code Quality Improvement: Consciousness of writing higher quality code by being seen by developers worldwide
- Collaborative Development Skills: Experience cooperating with developers from different cultures and time zones
- Technology Trend Awareness: Establishing habits of constantly catching up with new technologies
- Communication Skills: Improved ability to explain technical content in an understandable way
- Sustainable Development: Learning methodologies for maintaining projects over the long term
Current Ongoing Projects
Next.js Starter Kit
Full-stack web application starter template using TypeScript + Next.js 14. Includes authentication, database, and deployment.
Serverless Utilities
Collection of utility libraries for AWS Lambda/Vercel Functions. Tools to simplify debugging, monitoring, and error handling.