Bogdan Ghit is a Staff Software Engineer based in Amsterdam with nine years of experience building cloud-native infrastructure for large-scale data processing at Databricks. He leads scheduling and workload management for serverless infrastructure and previously architected the widely adopted SQL Execution API and BI integrations like Cloud Fetch and Query Result Cache—both patented features that improved connectivity and performance for tools such as Tableau and PowerBI. His background includes a PhD from TU Delft on scheduling and resource management for analytics frameworks, and contributions to Apache Spark that fixed critical SQL, concurrency, and file-caching issues. Bogdan combines deep research rigor with pragmatic engineering, regularly turning academic insights into production optimizations like dynamic partition pruning and file skipping. He’s as comfortable debugging subtle race conditions in core big-data engines as he is shaping product-level APIs used by business-critical workloads.
9 years of coding experience
5 years of employment as a software developer
Master's degree, Distributed Systems, Master's degree, Distributed Systems at Vrije Universiteit Amsterdam (VU Amsterdam)
POLITEHNICA București National University for Science and Technology
PhD, Computer Science, PhD, Computer Science at Delft University of Technology
Apache Spark - A unified analytics engine for large-scale data processing
Role in this project:
Back-end Developer
Contributions:1 commit, 24 PRs, 39 comments in 1 day
Contributions summary:Bogdan primarily contributed to the Apache Spark codebase by addressing critical issues and implementing improvements related to SQL and testing. Their work included making changes to the `GeneratorOuter` expression, fixing a thread race condition in the `DebugFilesystem`, and resolving an integer overflow issue in the `FileStatusCache`. They also extended the hint syntax and addressed incorrect handling of structs within InSet.
Contributions:41 pushes, 23 branches in 1 year 7 months
spark-mlapachebig-datasparkscala
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Bogdan Ghit - Staff Software Engineer at Databricks