Ben Grynhaus
Frontend Engineering Manager at Wiz
Israel
Summary
🤩
Rockstar🎓
Top SchoolBen Grynhaus is a Frontend Engineering Manager based in Israel with 11 years of experience building and leading web teams across startups and large enterprises, currently driving frontend at Wiz. He combines hands-on development and product ownership, shipping features end-to-end and maintaining a strong grasp of the full software development lifecycle. Ben is an active open-source contributor to DefinitelyTyped, improving TypeScript developer experience by adding accurate type definitions for a wide range of JavaScript libraries. His background includes senior frontend and full-stack roles at Microsoft and BrandTotal, plus early systems work during service in the IDF, giving him a pragmatic blend of scale, tooling, and delivery experience. Colleagues rely on him for fast learning, pragmatic solutions, and steady technical leadership that balances engineering craft with product impact.
11 years of coding experience
10 years of employment as a software developer
Ironi D High School, Tel AvivBachelor's Degree Computer Science, Bachelor's Degree Computer Science at College of Management Academic Studies
English, Hebrew
Github Skills (13)
typescript10
javascript10
typescripts10
npm10
typescript-types10
type-definition9
static-typing9
dts9
typescript-definitions9
webpacker7
webpack7
expressjs6
react5
Programming languages (13)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Feb 2018 - Oct 2022
The repository for high quality TypeScript type definitions.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:23 reviews, 22 commits, 31 PRs in 4 years 8 months
Contributions summary:Ben primarily contributed to the repository by adding and improving type definitions for various JavaScript libraries and tools. This included creating TypeScript definitions for `stylenames`, `facebook-js-sdk`, `express-sslify`, `timezoned-date`, `kue-ui-client`, `mysql-import`, `yesql`, `lucene`, `react-transition-group`, `fetch-headers`, `@yaireo/relative-time`, `webpack-watch-files-plugin`, `@multiavatar/multiavatar`, `@prefresh/webpack`, `svg64`, `jsurl2`, `omit-deep`, `@beyonk/gdpr-cookie-consent-banner`, `@geakstr/sass-inline-svg`, and `await-promises`. Their work focused on improving the developer experience by providing accurate and comprehensive type information for these diverse JavaScript packages, helping to facilitate type-safe development within TypeScript projects.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
bengry/typedash
Apr 2023 - Dec 2024
Modern, type-safe alternative to lodash and friends
Contributions:26 releases, 14 reviews, 41 PRs in 1 year 7 months
javascripttypescriptutility-functionutility-library
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