Roni Choudhury - Technical Leader at Kitware Inc.

Roni Choudhury

Technical Leader at Kitware Inc.

Albany, New York Metropolitan Area United States

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Summary

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Senior

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Top School

Roni Choudhury is a technical leader with 13 years of experience building web-based data management, analytics, and visualization infrastructure at Kitware, driving projects such as Resonant, Candela, Girder, and Tangelo. He blends research-grade visualization expertise from a University of Utah PhD—where he developed unconventional runtime memory-access visualizations—with practical full‑stack engineering in Python, JavaScript, and C++. An active open-source contributor, Roni has enhanced widely used projects like Girder and plotly.js, adding browser plugins, Vega integration, and specialized Smith‑chart plotting logic. He focuses on enabling diverse users—from hobbyists to scientists—to analyze and understand data, and pursues functional programming in Haskell through personal projects.

13 years of coding experience

17 years of employment as a software developer

The University of Utah

Bachelor’s Degree, Computer Science, Mathematics, Bachelor’s Degree, Computer Science, Mathematics at The University of Chicago

Stackoverflow

Stats

93reputation

4kreached

0answers

1question

Github Skills (22)

data-visualizations10

javascript10

vega10

charts10

data-visualisation10

chartjs10

charting10

front-end-development10

webclient10

data-visualization10

webgl9

html8

apidoc8

d3js8

api8

Programming languages (15)

C++RustCVueGoHTMLJupyter NotebookTypeScript

Github contributions (5)

girder/girder

Mar 2014 - Nov 2019

A data management platform for the web, developed by Kitware

Role in this project:

Full-stack Developer

Contributions:222 commits, 60 PRs, 146 pushes in 5 years 8 months

Contributions summary:Roni primarily contributed to the front-end development of the Girder platform by adding a browser plugin and a Vega visualization component. They implemented the initial structure for a browser-based file browser plugin, adding JavaScript, HTML templates, and plugin documentation. They also integrated the Vega visualization library, developing a basic framework for rendering data visualizations within the platform based on item metadata. Furthermore, the user enhanced the backend server functionality by updating the CherryPy application to correctly serve client directory files and fixed server-side issues with supporting absolute and relative file paths.

data-analyticsdata-managementpythonkitwaredata-science

plotly/plotly.js

Apr 2021 - Sep 2021

Open-source JavaScript charting library behind Plotly and Dash

Role in this project:

Front-end Developer

Contributions:63 reviews, 102 commits, 1 PR in 4 months

Contributions summary:Roni contributed to the development of the Plotly.js charting library, focusing on the "scattersmith" trace type for Smith charts. Their work involved modifying and expanding existing charting functionalities to support imaginary axis lines and tick labels. The user implemented gamma transforms and other plotting logic for the smith chart plots. Additionally, they added a scattersmith trace for integration.

chartsdashcharting-librarychartwebgl

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