Sumit Kumar
Hamburg, Germany
Summary
🤩
RockstarSumit Kumar is a founder and seasoned software leader with 11 years of experience building product-focused engineering teams and developer ecosystems across Europe. He founded Parqet and Tresor.one, previously scaled developer relations and engineering at SHARE NOW and car2go, and brought developer-first thinking to payments as a Solutions Architect at Stripe. Hands-on across frontend and infrastructure, he contributes to open-source mapping tooling like leaflet-geoman, improving drawing features and code maintainability. Based in Hamburg, he combines technical leadership with recruiting, mentoring, and developer branding to turn chaotic projects into reliable teams and shipping products. Notably, he balances part-time adulting with continuous public documentation of his startup journey on Twitter, making his learning process visible and practical.
11 years of coding experience
Stackoverflow
20,475reputation
2.9mreached
64answers
60questions
css
top-1%
css-position
top-1%
absolute
top-1%
html
top-5%
Github Skills (13)
css10
css-position10
javascript10
absolute10
leaflet10
html9
sass6
jquery-selectors6
gulp6
github-desktop6
jquery6
github6
ruby6
Programming languages (15)
Github contributions (5)
geoman-io/leaflet-geoman
Nov 2015 - Jan 2023
🍂🗺️ The most powerful leaflet plugin for drawing and editing geometry layers
Role in this project:
Front-end Developer
Front-end DeveloperContributions:96 releases, 94 reviews, 844 commits in 7 years 3 months
Contributions summary:Sumit made minor fixes and cleanup, and added more code comments to the project. The changes mainly involved modifying JavaScript and CSS code in the project's core files, and potentially enhancing overall code readability and maintainability by adding comments and fixing small bugs. The user's commits also contain modifications in the drawing features.
toolbarenable-drawinggeopackagevectorgoogle-maps
moia-dev/leaflet-geoman
Feb 2019 - Oct 2019
🍂🗺️ A Leaflet Plugin For Drawing and Editing Geometry Layers
Contributions:14 commits in 8 months
leafletleaflet-pluginlayerseditinggeometry
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