rahim@stdin ~ % skills --tree
skills/
├── ingestion
│ ├── AWS Glue PySpark ETL jobs, batch side
│ ├── Lambda + SQS event-driven, stream side
│ └── API Gateway token-authenticated integrations
├── transformation
│ ├── PySpark
│ ├── dbt
│ ├── SQL Redshift, Snowflake
│ └── Python the glue between all of it
├── orchestration
│ ├── Jenkins pipeline scheduling and CI
│ └── GitHub Actions build and deploy
├── storage
│ ├── Amazon Redshift
│ ├── Snowflake SnowPro Core certified
│ ├── Amazon S3 landing and curated zones
│ └── Denodo virtualization over the warehouse
├── platform
│ ├── AWS Solutions Architect Associate, in progress
│ ├── Terraform + CDK reusable modules, reviewed in PRs
│ ├── Linux + Bash
│ └── Containers
└── bi
└── QuickSight business stakeholders, not engineers
depth is the claim: each tool sits under the stage it actually serves.