Stefano Varesi
Senior Software Engineer at Klarna
Milan, Lombardy, Italy
Summary
👤
Senior🎓
Top SchoolStefano Varesi is a senior software engineer with 14+ years of professional experience and a 17-year passion for programming, currently building high-scale event-sourced systems at Klarna. He specializes in backend microservices with Java/Kotlin and Spring Boot, strong PostgreSQL expertise, and hands-on infrastructure work using Terraform and AWS. Stefano has led teams and migrations—designing non-blocking database migrations, improving platform observability, and modernizing legacy services—while keeping performance and reliability central. He values continuous learning over language labels, contributing to stable, test-driven delivery practices across CI/CD and contract testing (Pact). Based in Milan, he combines deep technical breadth—from C/C++ and Ada early-career work to modern cloud-native patterns—with a pragmatic focus on team collaboration and enjoyable engineering.
14 years of coding experience
17 years of employment as a software developer
University of MilanMaturità scientifica, Maturità scientifica at Liceo Scientifico Elio Vittorini
Italian, English
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (48)
prompt-tuning10
linux-shell10
powerline9
prompt9
asynchronous9
undertow9
prompt-toolkit9
bash9
zsh9
kotlin-dsl9
coroutines8
pact8
pact-js8
consumer-driven-contracts8
wordpress-themes8
Programming languages (9)
Github contributions (5)
xstefanox/dotfiles
Feb 2012 - Feb 2023
Contributions:313 commits, 151 pushes, 2 branches in 11 years 1 month
xstefanox/json-schema-validator
Jan 2018 - Feb 2021
Contributions:2 PRs, 24 pushes, 6 branches in 3 years 1 month
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