Janos Gub
Staff Software Engineer at Grafana Labs
Budapest, Hungary
Summary
🤩
Rockstar🎓
Top SchoolJanos Gub is a Staff Software Engineer based in Budapest with 10 years of experience building backend systems and optimizing performance at companies like Grafana Labs and Cloudera. He has progressed from research and recommender systems roles to senior engineering and staff leadership, consistently focusing on scalable, production-ready solutions. An active contributor to Apache Hive, he has improved code quality and memory usage while meticulously cleaning and correcting Javadoc across core modules—evidence of both attention to detail and commitment to open source. Janos combines a strong academic foundation in computer science and electrical engineering with practical experience in big data and observability tooling, often surfacing subtle improvements that reduce technical debt.
10 years of coding experience
12 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Szegedi TudományegyetemBachelor's degree Electrical and Electronics Engineering, Bachelor's degree Electrical and Electronics Engineering at Óbudai Egyetem
Github Skills (7)
javas10
javadoc10
apache-hive10
java10
database9
big-data9
databases9
Programming languages (4)
Github contributions (5)
apache/hive
Apr 2017 - Sep 2017
Apache Hive
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits in 4 months
Contributions summary:Janos primarily focused on cleaning up and correcting javadoc errors across multiple modules within the Apache Hive project. They addressed errors in modules related to shims, common utilities, serde, and metastore, indicating a focus on improving code documentation. Additionally, the user contributed to memory usage optimization by modifying the LocalCache class. This work involved ensuring the accuracy and clarity of code documentation.
flinksqlapachebig-dataspark
gubjanos/kiajam
Oct 2016 - Dec 2016
Contributions:2 PRs, 52 pushes, 1 branch in 1 month
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