Viraj Jasani
Software Engineering at The Apache Software Foundation
San Francisco, California, United States
Summary
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Rockstar🎓
Top SchoolViraj Jasani is a software engineer specializing in distributed systems with eight years of professional experience and a decade-long engagement in open-source projects. Based in San Francisco and currently at Salesforce, he brings deep back-end expertise across Hadoop ecosystem projects—Apache HBase, HDFS, Phoenix and Ambari—where he’s a committer and PMC member who has shipped performance and reliability fixes (bulk operation optimizations, RecoverableZooKeeper improvements, and fewer NPEs). He has a track record of improving core database and cluster-management code paths, adding robustness and measurable operational improvements like balancer metrics and rack-aware rolling upgrades. Comfortable working at scale across DataNode/NameNode and DB internals, he blends production engineering with thoughtful testing and cleanup. Beyond corporate roles, his sustained open-source leadership signals an ability to influence large, mission-critical infrastructure projects.
8 years of coding experience
9 years of employment as a software developer
Bachelor of Technology (B.Tech.) Computer Engineering, Bachelor of Technology (B.Tech.) Computer Engineering at Institute of Technology, Nirma University
Github Skills (26)
hbase10
debug10
filesystem10
back-end-development10
databases10
big-data10
hdfs10
database-administration10
file-operations10
java10
javas10
performance-optimization10
fileio10
ambari10
sql-database10
Programming languages (7)
Github contributions (5)
apache/hbase
Jun 2019 - Jan 2023
Apache HBase
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 962 reviews, 409 commits in 3 years 7 months
Contributions summary:Viraj contributed to the Apache HBase project by implementing improvements to its core functionalities. Specifically, they focused on optimizing bulk operations using procedures to improve performance and avoid potential null pointer exceptions within the code, improving data handling and stability. Furthermore, the user made improvements to the RecoverableZooKeeper class and the handling of data across components. Finally, additional test scenarios were developed and the user resolved multiple minor issues and code cleanups.
apache-hbaseapachedatabasejavahbase
apache/hadoop
Sep 2019 - Jan 2023
Apache Hadoop
Role in this project:Back-end Developer
Back-end DeveloperContributions:548 reviews, 243 commits, 254 PRs in 3 years 4 months
Contributions summary:Viraj primarily contributed to the Apache Hadoop project by fixing and refactoring existing code. They addressed issues related to block recovery, optimized performance by removing redundant String formatting, and provided improvements to existing functionality such as adding a blocks moved count in the Balancer iteration. These updates included modifying code related to the DataNode and NameNode components of the Hadoop Distributed File System (HDFS).
apachebig-datasparkhadoopjava
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