Joel Tadmor is a Head of Engineering with 11 years of experience building collaborative, flat teams and the technical foundations for creative products, currently leading engineering at Eraser after progressing from founding engineer. He blends hands-on full-stack development and leadership with deep interests in data visualization, no-code flow builders, customizable data models, and applied NLP. Joel is an active front-end contributor to the Slate rich text editor—improving serializers, rendering benchmarks, and node movement—which reflects a penchant for complex UI/UX and performant editor tooling. His background is unusual for an engineering leader: a prior legal career and a J.D. that sharpened his skills in structured argumentation, policy thinking, and business advising. Based in Cambridge, MA, he brings product-focused engineering rigor and a maker’s curiosity to early-stage product challenges.
11 years of coding experience
9 years of employment as a software developer
Juris Doctor (J.D.) Impact litigation community economic development environmental justice, Juris Doctor (J.D.) Impact litigation community economic development environmental justice at Northeastern University School of Law
Bachelor's Degree Applied Mathematics, Bachelor's Degree Applied Mathematics at University of Illinois Urbana-Champaign
A completely customizable framework for building rich text editors. (Currently in beta.)
Role in this project:
Front-end Developer
Contributions:8 commits, 11 PRs, 55 comments in 5 years
Contributions summary:Joel primarily focused on improving the Slate rich text editor framework. Their contributions include fixing issues within the HTML serializer, ensuring consistent element value lookups, and refactoring code related to node movement. The user also addressed and fixed benchmarks related to rendering, including large documents with selections, and added new benchmarks for testing specific functionalities like fragment insertion and normalization.
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