Daniel Lehr
Software Engineer at Zuplo
Germany
Summary
🤩
RockstarDaniel Lehr is a software engineer based in Germany with 14 years of experience building web and front-end systems across startups and scaleups. He has shipped product-focused features at companies like Zuplo, Stellate, Tocsen and Allthings, progressing from developer to senior roles while focusing on practical, user-facing solutions. His GitHub contributions include improving a popular React avatar editor—enhancing touch and mobile interactions and adding intuitive controls for zoom and border radius—showing attention to UX detail in reusable components. Daniel balances front-end polish with backend delivery experience, making him effective across the stack when product teams need reliable shipping. Colleagues describe him as pragmatic and detail-oriented, often tackling the subtle UI/UX edge cases that improve adoption. He brings solid European product engineering experience and a track record of turning design nuances into robust, mobile-friendly implementations.
14 years of coding experience
5 years of employment as a software developer
German, English
Stackoverflow
14,443reputation
1.1mreached
244answers
35questions
jquery
top-5%
phpstorm
top-1%
google-chrome
top-5%
php
top-1%
regex
top-5%
javascript
top-5%
Github Skills (24)
javascript10
image10
avatar10
php10
phpstorm10
react10
datetime9
jquery9
cropperjs9
regex9
image-cropper9
ide9
crop-image9
google-chrome-extension9
google-chrome9
Programming languages (13)
Github contributions (5)
mosch/react-avatar-editor
Jan 2015 - Nov 2022
Small avatar & profile picture component. Resize and crop uploaded images using a intuitive user interface.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:3 releases, 1 review, 74 commits in 7 years 10 months
Contributions summary:Daniel primarily focused on improving the user interface of the React component. Their commits show changes to the component's properties, addressing how width, height, and borders are handled. They also worked on making the component compatible with touch devices and mobile interactions, further improving its usability. The user also added functionality to the demo application such as adding controls for zoom and border radius.
user-interfacereactimageresize-componentcrop
launchport/helix-flare
Sep 2021 - Nov 2022
GraphQL for your Cloudflare Workers and Durable Objects
Contributions:6 releases, 1 review, 127 commits in 1 year 2 months
graphql-subscriptionscloudflaressehelixdurable
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