Moti Zilberman
Software Engineer at Meta
London, England, United Kingdom
Summary
🤩
RockstarMoti Zilberman is a seasoned software engineer with 12 years of experience, currently building developer tools for JavaScript and React Native at Meta in London. He excels at moving quickly from prototype to production while also architecting stable, maintainable systems for long-term use. His open-source contributions span high-profile projects like React, Babel, Flow, Metro and Hermes, where he improved debugging, source maps and type-handling across the JavaScript toolchain. Comfortable across front-end and back-end boundaries, he has deep experience with bundlers, compilers and developer tooling as well as test automation. A pragmatic problem-solver and lifelong learner, he pairs systems-level thinking with hands-on implementation—able to refactor complex codebases to surface clearer runtime information. Outside engineering he is a part-time musician, bringing creative perspective to technical challenges.
11 years of coding experience
9 years of employment as a software developer
English, Hebrew
Stackoverflow
123reputation
2kreached
1answer
1question
Github Skills (62)
astm10
integration-testing10
debugging10
debug10
javascript10
c-language10
flow-control10
subscribe10
python10
sinon10
es6-promise10
testing10
work-flow10
typescript10
s610
Programming languages (12)
Github contributions (5)
facebook/metro
Dec 2018 - Jan 2023
🚇 The JavaScript bundler for React Native
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:17 releases, 80 reviews, 257 commits in 4 years 2 months
Contributions summary:Moti primarily contributed to the development and enhancement of the Metro JavaScript bundler, focusing on the visualizer component within the React Native ecosystem. Their work included implementing new features, such as the ability to select the build platform, along with several bug fixes to prevent crashes and improve UI responsiveness. Further, the user significantly enhanced the functionality and maintainability of the core source map processing infrastructure by introducing enhanced annotations and by converting the project to use explicit object types.
reactbundlerreact-nativejavascriptflowtype
facebook/flow
Jun 2015 - Sep 2022
Adds static typing to JavaScript to improve developer productivity and code quality.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:21 commits, 9 PRs, 40 comments in 7 years 4 months
Contributions summary:Moti primarily contributes to the Flow static typing project by adding and modifying type definitions. Their work includes defining types for JavaScript built-in objects such as `Uint8ClampedArray`, node.js modules like "buffer", and DOM events like pointer events. The user also demonstrates expertise by adding and fixing type definitions for core.js and react-dom. Additionally, the user improved the functionality and maintenance of the build, and added code that allowed the user to support comments within the codebase.
static-typingproductivityjavascriptdeveloper-productivitydataflow-programming
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