Jesper Eskilson
Lead Engineer at Klarna
Uppsala, Sweden
Summary
👤
Senior🎓
Top SchoolJesper Eskilson is a Lead Engineer and Erlang specialist with 16 years of experience building and operating large-scale banking systems and long-lived, mission-critical software. He combines deep expertise in Erlang/OTP, compiler/debugger development, type systems and CI/build engineering (Jenkins, GitHub Actions) with a proven track record of improving legacy codebases and release infrastructure. At Klarna he has led the Erlang community and maintained the KRED core cluster powering orders, payments and accounts across multiple markets. His open-source work includes improving build and deployment workflows for an Erlang/Elixir Kafka client, reflecting a pragmatic focus on developer experience and reliable deployments. With an M.Sc. in Computer Science from Uppsala University and roots in embedded and tooling work, he brings a rare mix of low-level systems knowledge and large-scale operational discipline.
15 years of coding experience
25 years of employment as a software developer
International Community SchoolM.Sc., Computer Science, M.Sc., Computer Science at Uppsala University
Swedish, English, German
Stackoverflow
63,795reputation
11.2mreached
578answers
73questions
environment-variables
top-1%
type-conversion
top-5%
compression
top-5%
java
top-1%
background-process
top-1%
compilation
top-5%
Github Skills (55)
github-ci10
svn10
erlang10
background-process10
msbuild10
elixir10
protocol-buffers10
kafka10
linux10
cmake10
environment-variables10
makefile10
cicd10
java10
visual-studio10
Programming languages (11)
Github contributions (5)
jesperes/initfiles
May 2015 - Apr 2024
Contributions:24 pushes in 9 years
jesperes/adventofcode
Dec 2017 - Oct 2021
My Advent Of Code puzzle solutions
Contributions:1 review, 2 PRs, 498 pushes in 3 years 10 months
javapuzzleerlang
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