Ferenc Erdélyi
Senior Software Engineer at Cloudera
Budapest, Hungary
Summary
🤩
Rockstar🎓
Top SchoolFerenc Erdélyi is a Senior Software Engineer based in Budapest with six years in professional software and a long track record of evolving from web developer and educator to a YARN-focused backend engineer at Cloudera. He excels at bridging technical execution and business impact—designing processes, coaching teams, running POCs, and automating repetitive work while preserving creative tasks for people. At Cloudera he contributes to Apache Hadoop/YARN, resolving concurrency and container-executor issues and enhancing cluster UI metrics, showing strength in large-scale distributed systems. Comfortable in English and Chinese (and some German), he combines strategic, big-picture thinking with hands-on debugging and feature delivery. His background in teaching, process design and cross-cultural project coordination makes him particularly effective at translating complex technical challenges into measurable operational improvements.
6 years of coding experience
15 years of employment as a software developer
OKJ, Alkalmazott Grafikus (Applied Graphic Designer), 5, OKJ, Alkalmazott Grafikus (Applied Graphic Designer), 5 at Ring Szakképző IskolaBSc, Mathematics and Information Technology + teacher training, BSc, Mathematics and Information Technology + teacher training at University of PécsSocrates/ERASMUS Scholarship in Mathematics, Socrates/ERASMUS Scholarship in Mathematics at University of ExeterMSc, Computing - Software Engineering, Merit, MSc, Computing - Software Engineering, Merit at Bournemouth University
English, Hungarian, German, Chinese
Github Skills (11)
yarn-berry10
yarn210
javas10
hadoop10
java10
yarn310
yarnpkg10
uid6
front-end-development6
ui-design6
emberjs4
Programming languages (2)
Github contributions (4)
apache/hadoop
Nov 2022 - Feb 2025
Apache Hadoop
Role in this project:
Back-end Developer
Back-end DeveloperContributions:35 reviews, 13 PRs, 38 comments in 2 years 3 months
Contributions summary:Ferenc primarily contributed to the Hadoop YARN project, focusing on server-side logic and bug fixes. Their work included addressing concurrency issues in the queue ordering policy and resolving an issue in the NodeManager related to container executor failures. They also made improvements to the UI2 of the project, including implementing the resource usage metrics on the cluster metrics and queue pages.
apachebig-datasparkhadoopjava
ferdelyi/hadoop
Jan 2023 - Feb 2025
Apache Hadoop
Contributions:77 pushes, 14 branches in 2 years 1 month
apachebig-datasparkhadoopjava
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