Jonathan Frisk
Software Engineer at Klarna
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolJonathan Frisk is a backend software engineer based in Stockholm with 11 years of hands-on experience and an M.Sc. in Computer Science from Lund University. He currently builds resilient payment and reporting systems at Klarna, having contributed to high-impact features like the Swish integration and an internal transaction tool used across payment teams. Comfortable across the stack, he has shipped services in Erlang, Typescript/React and AWS, and has a knack for turning operational log queries into actionable fixes for bookkeeping discrepancies. Outside fintech he’s built web apps, APIs and orchestration tools for startups and consultancies, and is quietly exploring generative AI and real-estate/stock-related projects in private GitHub repos. Colleagues describe him as a pragmatic problem solver who pairs deep backend expertise with strong cross-team collaboration and product-minded thinking.
11 years of coding experience
5 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at The Faculty of Engineering at Lund UniversityNatur, Naturvetenskap, 22,2 (av 22,5), Natur, Naturvetenskap, 22,2 (av 22,5) at Åva Gymnasium
Swedish, English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
apartment10
google-chrome-extension9
estate8
image7
chrome-extension7
matter-js7
chrome5
javascript5
modulation4
floating3
react3
graph3
react-component2
drag2
algorithms2
Programming languages (1)
Github contributions (5)
jFrisks/graph-traversal-visualizer
Aug 2019 - Mar 2021
React component Visualizing graphs and various algorithms. Floating physics with drag and drop modulation
Contributions:7 PRs, 34 pushes, 5 branches in 1 year 7 months
bfsmatter-jsdragfloatingjavascript
jFrisks/real-estate-history
Mar 2020 - Feb 2023
Chrome extension that automatically saves history of real estate from websites. Keep track of sold properties and view images and details of real estate, even when sold.
Contributions:1 release, 108 commits, 4 PRs in 2 years 11 months
houseimagekeepjavascriptproperties
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.