Manuel Bieh
Co-Founder at Unbogify GmbH
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolManuel Bieh is a Berlin-based Co-Founder and freelance JavaScript engineer with 15 years of experience building scalable, maintainable web and mobile applications using React, React Native, TypeScript and Node.js. He specializes in modernizing legacy codebases, improving performance and developer productivity—examples include cutting page load times by 80% and drastically reducing build times for enterprise clients. Manuel often leads handovers from agencies to in-house teams, establishing architecture, testing, and operational runbooks while mentoring engineers and hiring technical talent. He contributes to open-source projects like geolib (adding geo utilities and Node.js support) and maintains a React SSR starter that encapsulates best practices for TypeScript, SSR and i18n. Comfortable across frontend and fullstack roles, he brings a product-minded approach to engineering for regulated domains such as banking and trading. Available for freelance engagements in Berlin or fully remote, he combines entrepreneurial drive with deep hands-on execution.
15 years of coding experience
21 years of employment as a software developer
Bachelor of Media Engineering (CCI), Digital Media, Bachelor of Media Engineering (CCI), Digital Media at Chamber of Commerce and IndustryBusiness Administration, Business Administration at FOM University of Applied Sciences for Economics and Management
German, English
Stackoverflow
751reputation
288kreached
8answers
10questions
Github Skills (24)
javascript10
geographical-information-system10
typescript10
gis10
unit-conversion10
typescript-types10
css-modules10
typescripts10
react-router10
react10
algorithms9
webpack9
babel69
webpacker9
babel-core9
Programming languages (20)
Github contributions (5)
manuelbieh/react-ssr-setup
Dec 2016 - Feb 2022
React Starter Project with Webpack 4, Babel 7, TypeScript, CSS Modules, Server Side Rendering, i18n and some more niceties
Role in this project:
Front-end Developer
Front-end DeveloperContributions:278 commits, 129 PRs, 245 pushes in 5 years 2 months
Contributions summary:Manuel primarily contributed to the front-end development of a React SSR starter project. They implemented UI components and functionalities, refactoring the existing code into a stateless component. Furthermore, the user integrated routing, including creating new routes and components. They also updated the project to React 16.x and made CSS modules-related improvements.
jestexpresspostcsswebpack4server-side
manuelbieh/geolib
Aug 2011 - Jan 2023
Zero dependency library to provide some basic geo functions
Role in this project:Back-end Developer
Back-end DeveloperContributions:17 releases, 366 commits, 93 PRs in 11 years 7 months
Contributions summary:Manuel contributed to a zero-dependency geo function library. Their work included adding and modifying comments in `geolib.js`, improving the demo with added functionality to convert units and calculate custom distances. There are further updates that include the addition of a minified version and an experimental support for node.js to the library. The user also added functions for calculating the bounds, center, and compass direction.
geographyzerowgs84geogeolib
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.