Moritz Klack - Co-Founder at React Flow

Moritz Klack

Co-Founder at React Flow

Berlin, Germany

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Summary

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Rockstar

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Top School

Moritz Klack is a Berlin-based front-end engineer and serial co-founder with 13 years of experience building data-driven web applications and interactive visualizations. He co-founded React Flow, where he works on React Flow and Svelte Flow, and webkid GmbH, focusing on node-based editors, visual storytelling and maps that turn complex datasets into intuitive interfaces. Hands-on across the stack, his open-source contributions include maintaining webpack starter tooling and expanding React Flow docs with custom node examples, plus backend refactors in self-hosted projects—showing a pragmatic mix of developer tooling and product work. He combines academic training in media informatics with a knack for making developer experiences smoother and interfaces more expressive, often tackling build systems and documentation as part of product engineering.

13 years of coding experience

5 years of employment as a software developer

Bachelor of Science (B.Sc.) International Media Informatics, Bachelor of Science (B.Sc.) International Media Informatics at HTW Berlin

English, Spanish

Github Skills (23)

babel610

javascript10

expressjs10

css10

s610

webpack10

front-end-development10

webpacker10

babel-core10

babeljs10

nodejs10

frontend10

react10

documentation10

starter-kit9

Programming languages (14)

JavaCSSRustVueGoHTMLSvelteTypeScript

Github contributions (5)

wbkd/webpack-starter

Feb 2016 - Dec 2022

✨ A lightweight foundation for your next webpack based frontend project.

Role in this project:

Front-end Developer

Contributions:128 commits, 97 PRs, 103 pushes in 6 years 10 months

Contributions summary:Moritz primarily contributed to the front-end development of the webpack-based project. Their work included setting up and configuring webpack, implementing build processes, and integrating various loaders for JavaScript, Sass, and HTML. They updated the HTML and JavaScript files, added dependencies, and refactored the build configuration files to use modern JavaScript features and plugins for efficient bundling, minification, and hot module replacement. The user also addressed the configuration of the development server.

frontendwebpackboilerplatejavascriptsass

xyflow/react-flow-docs

Jan 2022 - Feb 2023

⚠️ This repo contains old versions of the React Flow website. The new repo is located at:

Role in this project:

Front-end Developer

Contributions:5 reviews, 336 commits, 87 PRs in 1 year

Contributions summary:Moritz contributed to the documentation for React Flow, a library for building node-based editors. Their work involved adding new examples, including custom nodes and interactions, and updating existing example flows. The changes primarily focused on modifying and expanding the documentation to showcase the library's features and capabilities. The code changes mainly involved updating the code examples, including styling and layout.

react-flow

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