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5 weeks · self-paced · advanced

Advanced ETL with Modern Python

Graduates of Data Pipelines in Python can push further with columnar tools, profiling, and memory maps. We stay pragmatic—no cluster fantasy.

JPY 98,000

Informational price — no checkout here. See Returns & Refunds.

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What the syllabus includes

  • Polars vs pandas trade-off labs on identical tasks
  • Typing patterns for dataframe helpers
  • Memory profiling with fil and line_profiler
  • Parquet partitioning schemes for analytics handoff
  • Incremental merge strategies with keys
  • Contract tests downstream analysts requested
  • Documentation pass for data dictionary habits

Outcomes you can demonstrate

  1. Cut runtime measurably on a provided dirty dataset
  2. Publish profiling screenshots in your README
  3. Negotiate schema changes with analysts using a shared doc

Mentor of record

Avatar for Amelia Costa

Amelia Costa

Backend mentor — built ingestion for climate sensor networks.

FAQ

Comfortable with pandas idioms or equivalent experience.

Experience notes

Polars module in Advanced ETL shaved our nightly job; mentor pushed me to document partition keys.

— Owen , Data engineer · Trustpilot

Still slower than I hoped on week two—expected—but feedback was concrete.

— Mei