abhishek kumar tiwari
Software Engineer
Bengaluru, Karnataka, India
Summary
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Rockstarabhishek kumar tiwari is a software engineer with nine years of experience, currently based in Bengaluru and working as an SDE at Google. He brings strong back-end expertise, demonstrated by meaningful open-source contributions to NVIDIA's rapidsai/cudf GPU DataFrame library where he led API unification, refactors, and bug fixes across headers, tests, and core data operations. Comfortable working on performance-sensitive data tooling, he has tackled slicing, value counts, comparison and concatenation edge cases that require both domain knowledge and careful testing. Known for pragmatic refactors that improve API consistency, he blends production engineering discipline with an openness to contribute upstream in major open-source projects.
9 years of coding experience
Github Skills (11)
cuda10
cudf10
c-language10
cprogramming-language10
gpu10
dataframe9
data-analysis9
cpp9
dataframes9
python8
testing7
Programming languages (9)
Github contributions (5)
rapidsai/cudf
Jan 2019 - Feb 2019
cuDF - GPU DataFrame Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits, 3 PRs, 3 comments in 15 days
Contributions summary:Abhishek's primary contribution involved unifying and refactoring the cuDF library's API functions, specifically replacing prefixes like "gpu_" with "gdf_". This involved modifications across multiple files, including header files, test files, and source code. The changes also included updates to comparison and concatenation operations, showcasing an understanding of the library's core functionalities and testing practices. The user also addressed bugs related to slicing and value counts, demonstrating a focus on data manipulation and edge cases.
cudadataframe-librarydata-analysiscppcudf
q2w/terraform-google-sql-db
May 2024 - Mar 2025
Creates a Cloud SQL database instance
Contributions:4 PRs, 75 pushes, 15 branches in 9 months
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