Serverless ETL migration

Migrated dozens of legacy ETL pipelines across five teams to a serverless AWS architecture, cutting new-pipeline build time from weeks to minutes.

Our principal spearheaded five teams' transition to a serverless architecture, migrating dozens of legacy ETL jobs to AWS Glue. He mentored the group to a reusable scaffold that took new-pipeline build time from weeks to minutes — a pattern later adopted as a standard across the wider engineering organization.