Denis is a big data engineer with experience in big data pipeline development since 2019, and a broader background in data and SQL work spanning almost a decade. His expertise lies in the development of robust Big Data pipelines, using a variety of technologies including Scala, Spark, Teradata, Snowflake, and other tools and frameworks.

Before joining the 0+X team, he worked at Grid Dynamics, where he had team lead responsibilities and contributed to the development of clients' internal data-processing libraries, data verification and validation.