Bartosz Konieczny

Bartosz is a freelance data engineer enthusiast who has been coding for 15+ years. He has held various senior hands-on positions that helped him work on many data engineering problems in batch and stream processing, such as sessionization, data ingestion, data cleansing, ordered data processing, or data migration. He enjoys solving data challenges with public cloud services and Open Source technologies, especially Apache Spark, Apache Kafka, Apache Airflow, and Delta Lake. Beyond that, he's blogging at waitingforcode.com. Bartosz is also an occasional speaker at conferences and meetups, including Data+AI Summit, Big Data Technology Warsaw Summit, Paris Meetups for Apache Spark, Apache Kafka, and Python user groups. Outside of work, he likes spending time with his family. You can write him at contact@waitingforcode.com .