James Wexler is a Staff Software Engineer with a decade of experience building visualization and interpretability tools for machine learning, currently at Google’s People+AI Research (PAIR) initiative in Greater Boston. He combines front-end polish and full-stack engineering with ML expertise, contributing to high-profile open-source projects like TensorBoard, tfjs, and LIT to make model behavior and datasets more understandable. His work spans prototyping teachable demos (TopK image classifier, js-dos integrations) to hardening production visualization logic and unit testing for interpretability projects such as TCAV. Prior roles at Amazon, Microsoft, and Raytheon reflect deep systems and performance experience, including leading 3D controls and high-availability radar software. Colleagues rely on him for bridging research and product: shipping interactive UIs, cross-browser webcam performance fixes, and nuanced graph-visualization bug fixes that improve ML debugging at scale.
10 years of coding experience
18 years of employment as a software developer
BS, Computer Science, BS, Computer Science at University of Rochester
MS, Computer Science, MS, Computer Science at Northeastern University
Contributions:2 releases, 21 reviews, 279 commits in 3 years 4 months
Contributions summary:James primarily focused on fixing and updating the demo interfaces within the What-If Tool. Their contributions involve updating links, which suggests a maintenance role in the user interface and ensuring proper user navigation. They also updated demos to the latest version and added images in the HTML files, thus indicating a development role within the frontend part of the project.
Contributions:4 releases, 4 reviews, 175 commits in 5 years 7 months
Contributions summary:James primarily contributed to the frontend of the project, making changes to the demonstration notebooks by converting Python-based stats generators into classes. They also fixed demo notebooks by removing unnecessary code and refactored styling and visual elements in the facets overview chart. In addition, they fixed polymer paths for a more stable build environment.
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