Shivram Mani
Group Engineering Manager at The Apache Software Foundation
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolShivram Mani is a seasoned engineering leader with 10+ years building and managing distributed data systems, currently overseeing Greenplum server components, disaster recovery, and external data ecosystem teams at VMware from Sunnyvale. He combines deep hands-on backend expertise—evidenced by Apache HAWQ commits fixing complex Avro null-handling in PXF—with strategic leadership that has incepted multiple cross-continental teams and products. Previously he led Greenplum Backup & Restore and designed the Pivotal Extension Framework and a Unified Storage System that unified Hadoop-compatible filesystems. An active Apache committer and mentor, he bridges open-source stewardship and enterprise delivery, bringing practical experience across Hadoop, Spark, Postgres, and cloud storage integrations.
10 years of coding experience
13 years of employment as a software developer
The University of ArizonaBITS Pilani, Birla Institute of Technology and Science
Stackoverflow
21reputation
594reached
3answers
0questions
Github Skills (15)
deserialization10
javas10
avro10
data-serialization10
hdfs10
hawq10
java10
serialization10
greenplum6
hive6
database-administration6
hadoop6
ambari6
hcatalog6
pitr6
Programming languages (7)
Github contributions (5)
apache/hawq
Oct 2015 - Jan 2019
Apache HAWQ
Role in this project:
Back-end Developer
Back-end DeveloperContributions:72 commits, 76 PRs, 309 comments in 3 years 3 months
Contributions summary:Shivram primarily worked on fixing bugs related to handling null values in complex data types within the AvroResolver, a component of the PXF (Pivotal eXternal Format) plugin for HDFS. The commits show modifications to the Java code within AvroResolver.java to address these null handling issues and incorporate merged changes from other branches. These changes aimed to improve the interoperability and data processing capabilities related to the Avro data format within the HAWQ data warehouse.
hawqolapsqlapachedatastream
shivzone/pxf_demo
Jan 2016 - Jul 2017
Contributions:17 commits, 16 pushes, 1 branch in 1 year 5 months
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