Summary
Marcin Pietraszek is a seasoned software engineer with 16 years of experience building and migrating large-scale data and cloud systems across finance, adtech, and consumer products. He specializes in Big Data, streaming pipelines and cloud migrations, having led projects involving BigQuery, Dataflow, GCP, Snowflake, Kubernetes and Terraform to improve data availability, security and analytics. At Deliveroo he drove adoption of subscription features and led a strategic order-basket migration, while at SEB he migrated fixed-income trade analytics to the cloud and introduced CI/CD and testing practices. Marcin combines hands-on engineering—Python, Go, SQL, Argo/Prefect workflows—with platform design and observability work, and has repeatedly implemented self-service data platforms that empower stakeholders. He is an organized practitioner who blogs to teach beginners, showing a rare blend of production rigor and commitment to knowledge sharing. Based in Wrocław, he quietly favors practical, incremental improvements that deliver measurable business impact.
16 years of coding experience
13 years of employment as a software developer
MEng, Computer Science, MEng, Computer Science at Wroclaw University of Science and Technology
English, Spanish, Polish