Wellington Chevreuil
Software Engineer at The Apache Software Foundation
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolWellington Chevreuil is a seasoned software engineer with over 20 years of experience and more than a decade focused on enterprise data platforms, currently developing core features and reliability improvements for Apache HBase at Cloudera. As an HBase PMC member and committer, he blends product-grade engineering with open-source stewardship—reviewing code, resolving edge-case data-loss bugs, and improving utilities that bolster HBase’s maintainability and bulk-load reliability. His background spans customer-facing operations troubleshooting HDFS/HBase and distributed systems (Zookeeper, YARN, Spark) to hands-on backend work at Citigroup, Ericsson and research on big-data prototypes, giving him a strong mix of production, support, and R&D perspectives. Based in London, he regularly shares insights via talks and blogs and has contributed fixes to critical operator tooling such as HBCK2, demonstrating a pragmatic focus on preventing ghost regions and preserving cluster health. Known for refactoring and clarifying core utilities, Wellington quietly improves long-term code quality while shipping reliable, data-critical systems.
11 years of coding experience
14 years of employment as a software developer
Bachelors Degree Computer Engineering, Bachelors Degree Computer Engineering at Universidade do Estado do Amazonas - UEA
Github Skills (13)
javas10
databases10
hbase10
java10
database10
concurrency9
file-access9
fileio9
data-structure9
file-handling9
data-structures9
file-processing9
computer-engineering8
Programming languages (2)
Github contributions (5)
apache/hbase-operator-tools
Jun 2019 - Aug 2022
Apache HBase Operator Tools
Role in this project:
Back-end Developer
Back-end DeveloperContributions:36 reviews, 19 commits, 40 PRs in 3 years 2 months
Contributions summary:Wellington primarily contributed to the Apache HBase Operator Tools project by modifying the HBCK2 tool, a utility for HBase cluster maintenance and repair. Their work included updating the documentation for the `setRegionState` method and fixing an exception in `HBCKMetaTableAccessor.deleteFromMetaTable`. They also added new methods to address issues with missing regions in META and implemented a client-side method for removing ghost regions.
apache-hbaseapacheoperatordatabasejava
apache/hbase
Nov 2018 - Jan 2023
Apache HBase
Role in this project:Back-end Developer
Back-end DeveloperContributions:732 reviews, 247 commits, 365 PRs in 4 years 3 months
Contributions summary:Wellington's commits primarily focused on refactoring and improving utility methods within the Apache HBase project, specifically related to the handling of concurrent maps and file operations. These changes involved renaming utility classes for better clarity and implementing consistent reporting of status updates. Furthermore, the user addressed issues related to bulk loading, ensuring that compacted files are archived correctly and prevented data loss scenarios. The contributions reflect a focus on improving the reliability and maintainability of HBase's core functionalities.
apache-hbaseapachedatabasejavahbase
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.