§ 00 — SKILLS
Tools I use to build systems that let AI agents do the work.
Levels follow the conventional CV self-assessment scale. I currently build AI agent systems under contract (client details undisclosed). Ratings stay conservative — nothing is rated 3 or above yet. 2 = used routinely in personal projects (e.g. cosara.dev); 1 = literate or have only touched it.
§ 01
4 itemsLanguages
TOOLLEVELYEARS
- TypeScript1y
- JavaScript1y
- Python0.5y
- SQL0.5y
§ 02
5 itemsFrontend
TOOLLEVELYEARS
- React1y
- Next.js0.8y
- Tailwind CSS0.8y
- shadcn/ui0.3y
- MDX0.5y
§ 03
4 itemsBackend / API
TOOLLEVELYEARS
- Node.js0.8y
- AWS Lambda0.5y
- API Gateway0.3y
- DynamoDB0.5y
§ 04
4 itemsCloud (AWS)
TOOLLEVELYEARS
- AWS Amplify0.5y
- Amazon S30.5y
- Amazon Cognito0.5y
- Amazon SES0.3y
§ 05
7 itemsAI / LLM
TOOLLEVELYEARS
- Claude Code1y
- Anthropic SDK0.5y
- Anthropic Claude1y
- Amazon Bedrock0.5y
- Bedrock Knowledge Bases0.5y
- RAG 設計0.5y
- ElevenLabs0.3y
§ 06
3 itemsDevOps / Observability
TOOLLEVELYEARS
- GitHub Actions0.8y
- Terraform0.3y
- CloudWatch0.3y
§ 07
6 itemsTooling
TOOLLEVELYEARS
- Git1y
- GitHub1y
- VS Code1y
- Vitest0.5y
- Playwright0.5y
- Figma0.3y