ETL Developer Resume Example

“ETL developer with 5 years building robust data integration pipelines connecting enterprise systems to data warehouses and lakes. Expert in Informatica, SSIS, and cloud-native ETL tools with a focus on data quality, error handling, and pipeline monitoring.”

• Built 100+ ETL workflows in Informatica that process 50M+ records daily from ERP, CRM, and third-party APIs into Snowflake
• Got the nightly batch window from 8 hours down to 2 by adding parallel processing, switching to incremental loads, and tuning queries
• Set up a data quality framework with 300+ validation rules. Catches 99.8% of data issues before they hit the warehouse
• Migrated 150 legacy SSIS packages to AWS Glue. Got rid of on-prem ETL servers and cut maintenance work by 60%
• Built a CDC pipeline with Debezium and Kafka for near-real-time replication. Reporting latency went from 24 hours to 5 minutes
• Responsible for monitoring all ETL jobs in Control-M and investigating failures. Handled about 5-10 failures per week on average
• Worked with source system teams to understand schema changes before they broke our pipelines
• Wrote SQL transformations for data cleansing, deduplication, and business logic that runs during the load process
• Maintained documentation for all data flows including source-to-target mappings, transformation rules, and scheduling dependencies

Include these keywords in your resume to pass Applicant Tracking Systems.

• Informatica Certified Professional
• AWS Certified Data Analytics - Specialty