Karl A

Expansion Manager at Bolt

Berlin, Estonia
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Summary

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Karl A is an Expansion Manager with 12 years of experience helping tech startups scale teams and enter new markets, currently based in Berlin and working with Bolt. He blends operational growth expertise with hands-on technical chops—evidenced by open-source contributions to projects like a Node.js Open Graph scraper (adding music metadata and Spotify integrations) and input/interaction work for Kivy’s Leap Motion support. Comfortable operating at the intersection of product, client delivery, and engineering, he has led expansion efforts across diverse geographies and managed complex stakeholder ecosystems. Known for a methodical, data-driven approach ("our method is science") paired with a missionary zeal for impact, he thrives on turning technical detail into scalable market launches.
code12 years of coding experience
job13 years of employment as a software developer
bookBachelor's Degree, International Business, Bachelor's Degree, International Business at Tallinna Tehnikaülikool
bookHigh School, High School at Tallinn English College
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Stackoverflow

Stats
171reputation
29kreached
1answer
0questions
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Github Skills (10)

nodejs10
javascript10
python10
kivy10
android10
user-input10
testing9
mobile-development9
chai9
react-native6

Programming languages (11)

TypeScriptMDXJavaCSSC++CJavaScriptGo

Github contributions (5)

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jshemas/openGraphScraper

Jun 2018 - Jun 2018

Node.js scraper service for Open Graph Info and More!
Role in this project:
userBack-end Developer
Contributions:6 commits, 1 PR in 1 day
Contributions summary:Karl primarily focused on extending the functionality of the open-graph scraper to include music-related metadata. Their work involved adding new fields related to music (song, album, musician, release date, duration) and implementing logic to process and manage these new data points within the application. They also added test cases, including testing integrations with Spotify, to validate the correct extraction of the music metadata. Furthermore, the user addressed a bug related to handling multiple values.
scrapenode-jsmeta-tagsscrapingnodejs
kivy/kivy

Sep 2013 - Sep 2013

Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS
Role in this project:
userMobile Developer (Android/iOS)
Contributions:6 commits in 1 day
Contributions summary:Karl primarily contributed to the input/interaction module related to the Leap Motion controller. Their commits focused on integrating the Leap Motion device with the Kivy framework, including handling finger tracking data. They fixed an application closing error, normalized z position data, and addressed issues with the latest Leap SDK. These changes involved modifying the code to correctly process input from the Leap Motion device and integrate it effectively with the Kivy framework.
pythonlinux-windowswindowsui-frameworklinux
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