Neeraj Kumar
Senior Software Engineer at Microsoft
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolNeeraj Kumar is a Senior Software Engineer with over 21 years of experience building scalable web applications and supply chain services for Azure Cloud and Devices at Microsoft. He combines deep backend expertise in Java, distributed systems, and databases with front-end skills in Angular to deliver secure, production-grade features and mentor engineering teams. Previously a lead engineer for Google-related projects at GlobalLogic, he shipped security and admin features like two-step verification, context-aware access, and super-admin recovery. An active contributor to Git and Git for Windows, he has improved temporary object management and filesystem performance—work that impacts a widely used open-source toolchain. Based in Seattle, he pairs systems-level work (Windows filesystem and kernel contributions) with practical product delivery across banking, manufacturing, and cloud domains.
21 years of coding experience
14 years of employment as a software developer
Birla School ,PilaniBachelor of Engineering (B.E.), Electrical, Electronics and Communications Engineering, Bachelor of Engineering (B.E.), Electrical, Electronics and Communications Engineering at Sathyabama University
English, Hindi
Github Skills (16)
c1710
git10
filesystem10
object-storage10
c1110
performance-optimization10
batch-processing10
file-operations10
fileio10
concurrency9
system-design9
concurrent-programming9
shell9
concurrent9
data-structures8
Programming languages (6)
Github contributions (5)
git/git
Dec 2021 - Apr 2022
Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:24 commits, 1 PR, 10 comments in 3 months
Contributions summary:Neeraj's contributions primarily focused on enhancing the Git codebase, specifically related to the management of temporary object directories and optimizing object database operations. They introduced a new API for creating temporary writable databases and implemented features for managing and removing these temporary object stores, including support for `git prune`. Furthermore, they worked on disabling ref updates within temporary object databases to ensure data integrity. The user also implemented a granular fsync control infrastructure and batched disk flushes for loose objects to improve performance.
hacklanggit-clientmercurialfollowlibgit2
git-for-windows/git
Oct 2021 - Oct 2021
A fork of Git containing Windows-specific patches.
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits, 1 PR, 1 comment in 23 days
Contributions summary:Neeraj's contributions focused on enhancing the Git for Windows codebase, particularly by adding features to manage temporary object directories. The user implemented new APIs to create and manage temporary writable databases, enabling operations such as batch disk flushes for loose objects. They also addressed performance bottlenecks, introducing mechanisms to optimize file system operations, and enhancing the stashing functionality. Furthermore, the user improved the code by preventing updates to refs inside a quarantine environment.
version-controlwindowsgit-hookslibgit2patches
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