Dénes Árvay
Senior Engineering Manager at The Apache Software Foundation
Budapest, Hungary
Summary
🤩
Rockstar🎓
Top SchoolDénes Árvay is a Senior Engineering Manager based in Budapest with 11 years of experience blending hands-on Java engineering and product-focused leadership. He leads distributed teams across time zones, coaching engineers and translating product vision into reliable cloud and data-in-motion solutions. A longtime contributor and committer to Apache projects like NiFi and Flume, he brings deep expertise in fault-tolerant data pipelines, backend optimizations and practical bugfix-driven improvements (including Cassandra integrations, UTF8 FTP support and TailFile performance tuning). At Cloudera and Genesys he balanced customer-facing problem solving with hiring and technical decision support, shepherding both platform and UI teams. Peers describe him as a growth-oriented people manager who preserves a positive, open team culture while keeping delivery on track.
11 years of coding experience
20 years of employment as a software developer
BSc in Information Technology, Information Technology, specialization in software development and network technologies, BSc in Information Technology, Information Technology, specialization in software development and network technologies at Óbuda University, John von Neumann Faculty of Informatics
Hungarian, English, German
Github Skills (20)
apache-nifi10
flume10
cassandra10
testing10
java10
javas10
hadoop9
apache9
avro9
hdfs9
documentation9
c-library8
logging8
api8
standard-library8
Programming languages (6)
Github contributions (5)
apache/logging-flume
Jul 2016 - Dec 2018
Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 commits, 19 PRs, 93 comments in 2 years 5 months
Contributions summary:Dénes primarily contributed to the Apache Flume project by addressing various issues and implementing enhancements related to core functionalities, testing, and documentation. Their work included bug fixes for the HDFS sink, improvements to the Syslog TCP/UDP sources, enhancements to the file channel's monitoring metrics, and fixes related to data loss scenarios. Additionally, the user updated the documentation, specifically fixing errors within the Kafka source and NetCat UDP source examples, as well as other documentation improvements. The user also worked on improving the performance of the Log4jAppender.
apachebig-dataflumejavaapache-flume
apache/nifi
Feb 2019 - Oct 2022
Apache NiFi
Role in this project:Back-end Developer
Back-end DeveloperContributions:38 reviews, 25 commits, 31 PRs in 3 years 8 months
Contributions summary:Dénes primarily contributed to Apache NiFi by fixing bugs, adding features, and refactoring existing code. Their work involved modifications to Java code related to Cassandra integration, specifically addressing precision issues with timestamps in JSON output and recursive schema issues. They also added UTF8 support for FTP and addressed issues related to array/map validation. Furthermore, the user enhanced date conversions in record processing and optimized the TailFile processor.
javanifiapacheapache-nifi
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