Jon Elverkilde
Senior Software Engineer at Complexio
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top SchoolJon Elverkilde is a senior software engineer based in Copenhagen with 11 years of experience building and operating distributed systems and big data platforms. He has deep hands-on expertise in Erlang, Haskell, Scala and Python and has moved between senior engineering and leadership roles—VP/Head of Engineering, Principal Engineer and a brief CTO stint—at companies like Pusher, MessageBird, GameAnalytics and Route2. Jon’s background includes scaling Erlang services that process billions of events daily, designing microservices and AWS infrastructure, and applying functional languages to high-throughput systems. He combines pragmatic product-driven engineering with low-level systems thinking, often picking niche languages (Haskell/Erlang) to solve hard reliability and concurrency problems. Colleagues would note his pattern of alternating focused individual contributions with small-team leadership, making him effective both as a hands-on engineer and an engineering manager.
11 years of coding experience
14 years of employment as a software developer
Master of Science (M.Sc.) (Incomplete) Computer Science, Master of Science (M.Sc.) (Incomplete) Computer Science at Københavns Universitet - University of Copenhagen
English, Danish, German
Github Skills (55)
http10
chatkit10
php10
pusher10
php-library10
rust10
nodejs-client10
backend10
composer10
haskell10
server10
nodejs-server9
dotnet9
push-notifications9
java9
Programming languages (15)
Github contributions (5)
GameAnalytics/gascheduler
Apr 2016 - Jun 2018
Erlang Distributed Scheduler
Contributions:1 release, 1 PR, 1 push in 2 years 1 month
erlang
elverkilde/elverkilde.github.io
Oct 2022 - Nov 2025
Contributions:2 pushes, 1 branch in 3 years 1 month
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