Hashem Khalifa
Senior Frontend Engineer at MediaMarktSaturn
Greater Munich Metropolitan Area Germany
Summary
👤
Senior🎓
Top SchoolHashem Khalifa is a Senior Frontend Engineer with 9 years of experience building high-performance, scalable web applications across e-commerce and mobility platforms. Based in Greater Munich, he specializes in React, TypeScript, GraphQL and modern build tooling, and has a strong focus on web performance and developer experience. At MediaMarktSaturn he led monorepo and toolchain migrations (Babel→SWC, Lerna→NX, Yarn→pnpm) that cut build and test times dramatically and reduced bundle sizes, while also shipping product improvements like localized campaign features and B2B ad tooling. At Sixt he improved user engagement via performance work and helped introduce JAMstack and design-system components to speed cross-product development. A self-taught JavaScript evangelist, he contributes tooling-focused open-source work (notably a webpack-react boilerplate) and blends front-end craftsmanship with CI/CD and platform-level optimizations. Colleagues describe him as a pragmatic engineer who balances developer ergonomics with measurable performance gains.
9 years of coding experience
10 years of employment as a software developer
Bachelor's degree, Management Information Systems, Very Good, Bachelor's degree, Management Information Systems, Very Good at Nile Academy
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
babel610
css-modules10
babeljs10
javascript10
webpacker10
react10
babel-core10
webpack10
eslint8
sass5
Programming languages (5)
Github contributions (5)
HashemKhalifa/webpack-react-boilerplate
Apr 2018 - Jan 2022
Minimal React 16 and Webpack 4 boilerplate with babel 7, using the new webpack-dev-server, react-hot-loader, CSS-Modules
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 2 reviews, 384 commits in 3 years 9 months
Contributions summary:Hashem primarily focused on configuring and improving the front-end build process for a React boilerplate. They made several updates to the webpack configuration, including handling hot module replacement, integrating CSS modules, and separating the configuration files. The user also updated packages, added CSS module support, and refactored code for cleaner builds. Their work involved modernizing the project structure and improving developer experience.
webpack-boilerplatejestminimal-reactwebpack4webpack-4
HashemKhalifa/Analyzing-web-sites
Apr 2018 - May 2019
web scraper
Contributions:7 commits, 5 pushes, 1 branch in 1 year
pythonweb-scraperscrapingcrawlerscraper
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