Andreas Hasselberg
Software Developer at Aira
Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolAndreas Hasselberg is a software developer with 18 years of experience designing and operating large distributed and high-availability systems, primarily in finance and payments. He has deep backend expertise from roles at Klarna (including domain architect for servicing), SumUp, and other fast-moving companies, with hands-on experience migrating monoliths to microservices and building PCI-compliant payment backends. Based in Stockholm, he prefers small teams where he can tackle serious backend challenges and measure satisfaction by seeing his work used in production. Known for pragmatic, event-driven designs and durable bookkeeping and dunning systems, he combines rigorous system thinking with a focus on reliability and maintainability.
18 years of coding experience
16 years of employment as a software developer
Master's Degree Computer Science, Master's Degree Computer Science at Uppsala University
English, Swedish
Stackoverflow
101reputation
4kreached
6answers
0questions
Github Skills (108)
aws-services10
erlang-otp10
beam10
gleam10
erlang10
elixir10
compile10
otp10
webserver9
aws9
server9
riak9
http-server9
credentials8
client-library8
Programming languages (7)
Github contributions (5)
andreashasse/wbug
Jul 2012 - Dec 2022
Contributions:7 commits, 1 branch in 10 years 6 months
klarna/system_monitor
Mar 2021 - Jan 2023
BEAM VM telemetry collector
Contributions:18 reviews, 18 commits, 17 PRs in 1 year 10 months
telemetrycollectorbeam-vmbeam
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