I am Yongtak Kim, an AWS Cloud Support Engineer and OpenSearch SME.
My work centers on customer troubleshooting, analytics workload support, and turning repeated support engineering decisions into reliable AI-assisted workflows. I started from mobile app and backend product development, then expanded into image processing, data platforms, cloud analytics, and AI-agent tooling.
What I Work On
- OpenSearch customer issue analysis and troubleshooting
- Analytics support across AWS services
- Support-agent persona design and verification rules
- MCP-based workflows that connect Slack, Outlook, wiki knowledge, ticket search, and local tools
- Developer productivity tools for AI-agent session search, handoff, and documentation
Selected Tools
- claude-resume: LLM-summary-based TUI for finding and resuming Claude Code sessions
- codex-resume: Windows-friendly TUI for searching and resuming OpenAI Codex CLI sessions
- linkedin-posting-mcp: local MCP server for user-approved LinkedIn posting workflows
Contact
- GitHub: ytkim4558
- LinkedIn: Yongtak Kim
- Email: ytkim4558@gmail.com