Samuel Horwitz
Software Engineer at facebook
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolSamuel Horwitz is a seasoned software engineer with 12 years of experience building mobile and web solutions, currently based in New York and working at Facebook. He brings deep front-end chops (HTML, JavaScript) and backend skills in Go and SQL, with a strong track record in the advertising industry. Samuel has contributed to prominent open-source work on Prebid.js, implementing and hardening the Kargo bid adapter to support multi-slot bidding and metadata compliance—work that directly impacts header bidding at scale. Comfortable across mobile apps and programmatic ad integrations, he blends pragmatic engineering with product-focused problem solving. Colleagues rely on him to navigate complex compatibility and standards challenges while shipping reliable, production-ready features.
12 years of coding experience
New York University
Stackoverflow
355reputation
21kreached
2answers
0questions
href
top-5%
location
top-5%
Github Skills (9)
javascript10
adaptor10
header-bidding10
adapter10
prebid10
test-automation9
location9
href9
angularjs6
Programming languages (16)
Github contributions (5)
prebid/Prebid.js
Jul 2017 - Mar 2020
Setup and manage header bidding advertising partners without writing code or confusing line items. Prebid.js is open source and free.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:17 commits, 17 PRs, 43 comments in 2 years 8 months
Contributions summary:Samuel primarily contributed to the development of the Kargo bid adapter, a key component within the Prebid.js framework for header bidding. Their work involved implementing features such as supporting Kargo's bid requests, user syncing, and ad domain metadata. The user also addressed compatibility issues, updated the code to support multiple ad slots of the same type, and ensured the adapter was compliant with current standards.
headerprebidjavascriptconfusingbidding
samuelhorwitz/fabric.js
May 2016 - Jun 2017
Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser
Contributions:7 PRs, 81 pushes, 13 branches in 1 year
node-canvassvgsvg-librarycanvasjavascript
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.