David Lexa
About David Lexa
David Lexa is an Engineering Manager specializing in Data Engineering at Xendit, where he leads initiatives in real-time transformation and cost optimization. He has a strong background in data quality frameworks and governance, with experience in various roles across multiple companies.
Current Role at Xendit
David Lexa serves as the Engineering Manager for Data Engineering at Xendit, a position he has held since 2020. In this role, he manages three specialized teams: Data Lakehouse, Data Infrastructure, and Data Platform. His responsibilities include leading cross-team initiatives that focus on real-time transformation and cost optimization. Lexa has developed a comprehensive testing and monitoring framework for data quality, utilizing tools such as dbt and Great Expectations.
Previous Experience at Xendit
Before his current role, David Lexa worked at Xendit as a Senior Data Engineer for five months in 2019. During this time, he implemented a self-serve data platform using technologies like Spark, Retool, and Databricks. He also established data governance policies utilizing Unity Catalog, Delta, Hive, and OpenMetadata. His efforts contributed to significant improvements in data management and operational efficiency.
Education and Expertise
David Lexa holds a Master's degree in Management of Commerce from the University of South Bohemia in České Budějovice, which he completed from 2012 to 2014. He also earned a Bachelor's degree in the same field from the same institution between 2009 and 2012. Additionally, he studied at RPTU Kaiserslautern-Landau, where he achieved a Master's degree in Management of Commerce in 2013.
Professional Background
David Lexa has a diverse professional background that includes various roles in data engineering and analytics. He worked at Bosch as an intern in 2013 and held positions at AIESEC as an Analytics Lead from 2012 to 2013. He also served as a Data Analyst/Engineer and later as Data Engineering Lead at Wunder Mobility from 2014 to 2019, gaining valuable experience in data management and analytics.
Achievements in Data Cost Optimization
David Lexa achieved a 78% decrease in data lake costs through optimization strategies during his tenure at Xendit. This accomplishment was documented in a blog post, highlighting his ability to implement effective cost-saving measures in data management.