- 🔭 Currently working on AWS automation, CI/CD pipelines, and backend design
- 🌱 Learning cloud automation, web development, and Java fundamentals
- 💼 Continuously growing as a Software/Cloud Engineer
- 📚 Passionate about continuous learning and implementing best practices
| Period | Role & Project | Construction & Monitoring | Key Achievements, Debugging & Logging |
|---|---|---|---|
| 2026/1 – Present | Cloud Engineer AWS, Terraform, EKS |
• Terraform: Configuration changes, new resource provisioning • AWS environment design & deployment • Manual documentation site development |
• EKS cluster backup/restore automation (GitHub Actions) • ECR image migration & validation • OSS validation, debugging, log investigation • OSS UI Japanese translation, technical support with international vendors |
| 2024/7 – 2025/12 | AWS Cloud Engineer CloudFormation, Lambda, Python |
• CloudFormation: Resource changes & provisioning • CloudWatch, SecurityHub, TrustedAdvisor monitoring • Lambda functions: development, feature additions, testing • 24/7 incident response including night shifts |
• Automated 25 AWS resource parameters (parameter sheet) • Python script for aggregating 360k+ large-scale records (debugging & optimization) • VBA macro for monthly report automation • Incident log analysis & root cause investigation |
| 2023/10 – 2024/5 | Systems Engineer Lambda, Batch, VBA, EC2 |
• VBA, Lambda, Batch: code refactoring & validation • Documentation & design specs • Test environment setup (Amazon EC2) • Data visualization tool development |
• Built Lambda result retrieval program from scratch using AWS CLI for batch validation • Lambda function validation for Python version changes • Debug logging verification, error handling implementation |
| 2022/5 – 2023/10 | Infrastructure Monitoring & Support Zabbix, CloudWatch, Network |
• Periodic Zabbix alert monitoring • Incident triage via phone/email • Primary troubleshooting (ping, log checks, etc.) |
• International incident response: US enterprise cloud/network failure resolved in 30 minutes • English email support, technical coordination with global partners • Internal incident documentation & information sharing • On-call night shift incident response & rapid resolution |
| App Name | Features | Tech Stack | Repository |
|---|---|---|---|
| Study Tracker | Integration with Google/Apple Calendar, visualization of study time/content | React Native, Electron, Google Calendar API | app-language-learning |
| VideoEditing | Local-first desktop video editor: crop, cut, paste, remove segments, and export using FFmpeg | Electron, React, FFmpeg | app-video-editing |
| Personal Finance Manager | Local-first, multi-currency, recurring entries, charts, history log | Electron, React, SQLite | app-money-management |
| Project Name | Features | Tech Stack | Live Site | Repository | |----------------------|--------------------------------------------------------------------------|---------------------------|------------------------------------------------------------------|----| | about Japanese, Japan| Info about Japanese language/culture, travel tips, local insights | HTML, CSS, JavaScript | Visit Here | web-jp-explanation |
- Theory & Practice: Comprehensive content covering Java fundamentals to advanced topics
- Projects: Practical application development
- Tech Stack: Java, Gradle, OOP Design Patterns
- JavaScript/TypeScript — Frontend and backend development with React, Node.js
- Java — OOP design patterns, Gradle build automation
- Python — Scripting, data processing, Flask backend development
- Frontend: React, React Native, Electron
- Backend: Node.js, Flask
- Tools & Others: FFmpeg, AWS CloudFormation
- AWS — Automation, Infrastructure as Code
- CI/CD — GitHub Actions pipeline orchestration
- Databases — SQLite and relational database management
- GitHub: KFrost533
- This Portfolio: KFrost533/KFrost533
💡 "I continue my learning journey through hands-on coding and online courses like Coursera."