Marek Kalnik
Group Partner Future Of Software at Theodo
Paris, Ile-de-France
Summary
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Rockstar🎓
Top SchoolMarek Kalnik is a seasoned technology leader and co-founder with 15 years of experience, currently serving as Group Partner Future of Software at Theodo and CTO of Theodo Apps (ex-BAM). He operates at the intersection of technology, product and strategy, blending hands-on engineering with organisational leadership to scale teams and ship customer-facing products. A former technical lead and manager who rose through Theodo’s ranks, he brings deep experience in front-end UX improvements—evidenced by contributions to the popular Leaflet locate control—and pragmatic code stewardship. Based in Paris, he mentors founders and engineers through Tech.Rocks and sits on technical initiatives like Reg.exe, showing a commitment to community and governance beyond day-to-day engineering. Unusually for a senior technologist, his academic background is in Polish language and literature, reflecting a strong communication and storytelling instinct that informs his product leadership.
15 years of coding experience
9 years of employment as a software developer
Licentiate degree Polish Language and Literature, Licentiate degree Polish Language and Literature at University of Wroclaw
French, English, Polish
Stackoverflow
2,210reputation
177kreached
30answers
0questions
css
top-5%
html
top-5%
Github Skills (16)
location10
javascript10
front-end-development10
leaflet10
html9
css9
map-box8
mapbox-gl8
git6
doctrine-orm6
php6
symfony6
css-sprites6
mysql6
multiple-databases6
Programming languages (8)
Github contributions (5)
domoritz/leaflet-locatecontrol
Sep 2014 - Nov 2014
A leaflet control to geolocate the user.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:10 commits in 2 months
Contributions summary:Marek primarily focused on improving the user experience and functionality of the Leaflet locate control. Their work involved refactoring existing code, fixing bugs related to following events and start/stop functionalities, and removing unnecessary parameters. They also addressed issues like stopping the location updates when the map is unloaded and updating the marker information and related styles.
leafletmapboxmarkersjavascriptlocation
marekkalnik/blog
Apr 2020 - Mar 2022
Contributions:4 PRs, 18 pushes, 1 branch in 2 years
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