Shyamsundar Ranganathan
Senior Principal Software Engineer at Red Hat
Westford, Massachusetts, United States
Summary
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Rockstar🎓
Top SchoolShyamsundar Ranganathan is a Senior Principal Software Engineer with 12 years of experience architecting and improving distributed storage systems at Red Hat. He has deep hands-on expertise in back-end engineering for major open-source storage projects such as Ceph and GlusterFS, contributing features like Ceph CSI enhancements, subvolume snapshot/cloning improvements, and GFAPI extensions for object-based operations. Based in Westford, MA, he blends long-term product stewardship with pragmatic refactors—improving state machines, CLI ergonomics, and test coverage to make complex storage behavior more reliable and maintainable. His work touches both runtime components and Kubernetes integrations, including secrets handling and e2e testing, demonstrating comfort across cloud-native and low-level storage layers. Collected experience from roles at Novell, CloudByte, and Red Hat gives him a rare combination of systems-level depth and operational pragmatism. He holds an MCA from NIT Tiruchirappalli and a BSc in Mathematics, bringing analytical rigor to large-scale storage engineering challenges.
12 years of coding experience
18 years of employment as a software developer
MCA, Computer applications, MCA, Computer applications at National Institute of Technology, TiruchirappalliBSc., Mathematics, BSc., Mathematics at Maharaja Sayajirao University of Baroda
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Github Skills (27)
glusterfs10
kubernetes10
filesystem10
back-end-development10
storage10
distributed-systems10
c1110
c1710
data-storage10
go10
kubernetes-pods10
block-storage10
ceph10
drbd10
distributed-file-system10
Programming languages (10)
Github contributions (5)
ceph/ceph-csi
Mar 2019 - Aug 2022
CSI driver for Ceph
Role in this project:
Back-end Developer
Back-end DeveloperContributions:94 reviews, 40 commits, 29 PRs in 3 years 5 months
Contributions summary:Shyamsundar primarily contributed to the core functionality of the Ceph CSI driver. Their work included refactoring and updating the code to reflect correct terminology, addressing linter errors and fixing the scope of the config store. They implemented a feature to pass in Ceph cluster-id, and updated code to use Kubernetes client APIs for fetching secrets. Furthermore, they have made updates to the deployment and added a few e2e test cases.
cephfscephcsi-driverkubernetescsi
gluster/glusterfs
Sep 2013 - Apr 2019
Gluster Filesystem : Build your distributed storage in minutes
Role in this project:Back-end Developer
Back-end DeveloperContributions:257 commits, 4 PRs, 2 tags in 5 years 7 months
Contributions summary:Shyamsundar implemented extensions to the GFAPI for object-based operations, mirroring POSIX *at variants. These extensions focused on handle-based object manipulation, allowing for the creation, lookup, and management of files and directories. The changes involved introducing new APIs and modifications to existing code, including the addition of example code to demonstrate functionality. These changes were made to support NFS Ganesha as a back end for GlusterFS.
erasure-codingstoragepersistent-storagedistributed-storagefuse-filesystem
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