Paul Rosenzweig
Ann Arbor, Michigan, United States
Summary
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RockstarPaul Rosenzweig is a Senior Data Engineer based in Ann Arbor, Michigan with 13 years of experience building data systems and shipping analytics at scale. Currently at Mercury, he blends backend data engineering with a strong focus on data visualization and UX—evidenced by open-source front-end contributions to Metabase that improved choropleth maps, dashboard interactivity, pivot table displays, and tooltip behavior. He excels at turning complex datasets into actionable, well-formatted visual insights and smoothing the handoff between pipelines and product surfaces. Known for pragmatic, detail-oriented fixes, he bridges infrastructure and front-end concerns to make analytics more reliable and usable.
13 years of coding experience
Github Skills (15)
javascript10
ui-d10
visualization10
javascripts10
ui-design10
frontend-development10
visualizations10
front-end-development10
react10
charting10
charts10
data-visualisation9
data-visualization9
data-visualizations9
css9
Programming languages (7)
Github contributions (5)
metabase/metabase
May 2019 - Jun 2021
The simplest, fastest way to get business intelligence and analytics to everyone in your company :yum:
Role in this project:
Front-end Developer
Front-end DeveloperContributions:466 reviews, 373 commits, 655 PRs in 2 years 1 month
Contributions summary:Paul primarily contributed to the front-end aspect of the project, adding explicit projectionFrame to legacy choropleth maps, and making various UI and display-related fixes. This includes fixing text card scroll issues, aligning chart labels, addressing issues with dashboard interactivity, and updating value formatting. In addition, the user worked on implementing features to enhance user experience, such as better integration with parameters, improved display of data in pivot tables, and fixing issues related to tooltips.
datasimplestfastestbusiness-analyticsbusiness-intelligence
paulrosenzweig/vega
Jan 2023 - Apr 2025
A visualization grammar.
Contributions:6 pushes, 1 branch in 2 years 3 months
visualization-grammargrammarvisual-analyticsvisualization
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