Position: Data Engineer
Category: Data Engineer
English level: upper
Years of experience: 5

Took part in successful re-designin and re-implementing cloud-based Datalake into alternative service stack: AWS EMR/Kinesis + Redshift DWH into AWS Glue/Lambda/StepFunction + Snowflake DWH
I worked on:
- Implementing ETL pipelines, using Spark and AWS stack

- Optimizing Spark jobs for lower memory, cpu and time footprints 

- Migrating data-processing stack from on-premise to completely cloud-based(Java + Sybase into Scala + AWS)

- Writing general use libraries for specific data transformation/data migration purposes that were used among multiple teams inside company