Ferenc Csáky
Apache Flink PMC Member at The Apache Software Foundation
Budapest Metropolitan Area Hungary
Summary
🤩
Rockstar🎓
Top SchoolFerenc Csáky is a seasoned Java backend engineer with 10 years of experience, currently active as an Apache Flink PMC member and committer while working at DataSQRL. He has a strong track record at Cloudera progressing from software engineer to senior staff engineer and engineering manager, bringing production-grade distributed systems experience. Ferenc contributes to the widely used Apache Flink project, improving the web dashboard, connector integrations, and critical CLI and test stability fixes—work that surfaces in a major open-source stream processing engine. Based in Budapest, he combines pragmatic bug-fixing with architecture-level enhancements such as an external-FS-compatible FileCatalogStore implementation. Known for quietly shoring up flaky tests and subtle comparator issues, he excels at making complex distributed software more reliable and maintainable.
10 years of coding experience
12 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Budapest University of Technology and Economics
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
javas10
big-data10
flink-sql10
apache-flink10
java10
hbase9
yarnpkg8
sql8
Programming languages (3)
Github contributions (5)
apache/flink
May 2022 - Oct 2022
Apache Flink
Role in this project:
Back-end Developer
Back-end DeveloperContributions:159 reviews, 3 commits, 106 PRs in 5 months
Contributions summary:Ferenc's contributions focused on fixing bugs and improving the Flink web dashboard and connector integrations. They fixed "nzScroll" calculations, changed logic in a flaky HBase test, and addressed a comparator violation issue in the "flink list" CLI command. Additionally, the user extended log whitelists for Yarn tests, introduced an external FS compatible FileCatalogStore implementation, and addressed various other issues.
pythonflinkconnectorsqlapache
apache/flink-connector-kudu
Mar 2024 - Mar 2025
Apache flink
Contributions:15 reviews, 17 PRs, 12 pushes in 1 year
connectordatastreamflinkkudusql
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