mrlm-xyz

OpenAPI specification expertise including schema design, validation, and REST API best practices.

API security expertise including authentication, authorization, OWASP compliance, and vulnerability detection.

ETL pipeline development with focus on data quality, orchestration, and error handling patterns.

Expert SQL development with focus on query optimization, indexing strategies, and data modeling.

Analyze any data file (CSV, Excel, Parquet, JSON, gzip) with plain-language instructions, computed via the DuckDB CLI. Inspect the file with a fixed profiler first, then run SQL — never guess column names or types.