Simon Larsén
Senior Software Engineer at GitButler ⧓
Stockholm, Sweden
Summary
🤩
Rockstar🎓
Top SchoolSimon Larsén is a senior software engineer based in Stockholm with a decade of hands-on experience building backend systems, cloud infrastructure, and secure Linux-based operations. He combines individual contributor craftsmanship with leadership, having guided technical direction and developer wellbeing as Lead Software Engineer while still shipping production code. A devoted open-source contributor, he improved Java metaprogramming tooling in the well-known INRIA/spoon project, focusing on nuanced bugs around nested class handling and AST transformations. His background spans academia and industry—mentoring students at KTH and delivering large-scale merchant portals in fintech—so he excels at translating research-grade tooling into production workflows. Simon is particularly strong at developer tooling, CI/CD and infrastructure-as-code, having designed end-to-end test pipelines and Terraform-delivered platforms. Colleagues describe him as a pragmatic problem-solver who pairs system design depth with a habit of teaching and improving team practices.
10 years of coding experience
8 years of employment as a software developer
Civilingenjör (BSc and MSc), Computer Science, Civilingenjör (BSc and MSc), Computer Science at KTH Royal Institute of Technology
Github Skills (9)
javas10
debug10
metaprogramming10
code-analysis10
spoon10
java10
abstract-syntax-tree9
parserator9
parser9
Programming languages (12)
Github contributions (5)
INRIA/spoon
Apr 2020 - Jan 2023
Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:572 reviews, 106 commits, 350 PRs in 2 years 8 months
Contributions summary:Simon primarily focused on bug fixes and improvements to the Spoon library, with a focus on the Java source code analysis and transformation features. Their contributions included addressing issues related to nested class field access, package handling, and incorrect behavior in the sniper printer. The user also worked on refining the type reference handling and improving code quality by addressing code style issues and ensuring the correct implementation of features, such as handling type parameters.
inriacode-generationheartastparser
repobee/repobee-feedback
Sep 2019 - Apr 2022
A RepoBee plugin for opening feedback issues in on student issue trackers
Contributions:10 releases, 16 reviews, 49 commits in 2 years 7 months
feedbacktrackers
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.