Backend Engineer · 2021
Legacy ETL Platform Migration
Migrated a legacy batch ETL platform to a modern, incrementally-processed pipeline with zero downtime for downstream reporting systems.
0
Downtime hours during migration
70%
Reduction in nightly batch processing time
The problem
Nightly batch ETL jobs were taking increasingly long, delaying reports and risking SLA breaches as data volume grew.
The approach
Introduced incremental processing and parallelized transformation steps, migrating table-by-table behind a compatibility layer so downstream consumers saw no interruption.
Full case study content goes here, including the migration runbook and rollback strategy.