Vivekanand Vellanki
Technical Architect at Dremio
Hyderabad, Telangana, India
Summary
🤩
RockstarVivekanand Vellanki is a Technical Architect based in Hyderabad with over eight years of engineering and leadership experience driving distributed data platforms and developer-facing systems. He has progressed from engineering roles to management and director-level positions at Dremio, bringing hands-on architecture and team leadership to production-grade analytics software. As a co-founder of an education startup, he blends product sensibility and user-centered design with technical delivery, focusing on ways to unblock learners through expert networks and gamification. His open-source contributions to the high-profile Apache Arrow project show deep backend and QA expertise—adding date/time datatype support and cross-language tests across Java and C++ within the Gandiva expression engine. Colleagues would describe him as an architect who still writes and validates critical code, with a knack for turning complex time-and-data challenges into robust, testable implementations. He combines startup grit and enterprise-scale engineering to deliver pragmatic, measurable improvements in data systems.
7 years of coding experience
15 years of employment as a software developer
Github Skills (12)
apache-arrow10
unit-testing10
javas10
datetime10
c-language10
cprogramming-language10
datetimes10
java10
test-automation10
integration-testing10
cmake6
parquet4
Programming languages (2)
Github contributions (5)
apache/arrow
Jun 2018 - Oct 2018
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:141 reviews, 10 commits, 153 comments in 3 months
Contributions summary:Vivekanand primarily focused on extending the Apache Arrow project's capabilities related to date and time functions. Their contributions included adding support for new date/time datatypes and functions within the Gandiva expression engine, specifically in Java and C++ implementations. They developed Java-based unit and integration tests to validate the added date/time functionality and ensure correctness across different data types, including the addition of microbenchmarks. These changes involved code modifications across Java and C++ files to support the implementation and testing of time-related features.
memorymulti-languagetoolboxacceleratedarrow
vvellanki/gandiva-1
Jun 2018 - Oct 2018
Vectorized processing for Apache Arrow
Contributions:52 pushes, 7 branches in 3 months
apache-arrowvectorizedapachearrow
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.