Simo Leone
Freelance Software Engineer at Hummingbird
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolSimo Leone is a Helsinki-based freelance software engineer with 26 years of experience specializing in infrastructure, operations, payment systems, and shipping high-quality products. He blends hands-on engineering with occasional team-building, helping startups and mid-size teams solve reliability and payment integration challenges. Currently operating both as an independent consultant and a senior engineer at Hummingbird, he focuses on pragmatic, production-ready solutions that scale. A University of Illinois CS graduate, Simo’s long career suggests deep institutional knowledge of legacy systems as well as modern cloud practices, making him especially effective at bridging old and new stacks.
26 years of coding experience
University of Illinois Urbana-Champaign
Spanish, Finnish, English
Github Skills (110)
sorbet10
api-client10
terraform10
ruby10
xmonad10
window-manager10
whisper10
api10
checker10
terraform-provider10
aws10
dall-e10
syntax-highlighting10
chatgpt9
openai-api9
Programming languages (15)
Github contributions (5)
simoleone/git-coauthor
Aug 2018 - Sep 2022
Simple multiple author support porcelain for git. Written in pure Bash.
Contributions:2 releases, 10 commits, 1 PR in 4 years 1 month
extreme-programmingmob-programmingporcelainbashgit-porcelain
simoleone/world-clock
Nov 2020 - Aug 2023
A world clock to use on an inforad or second display
Contributions:1 review, 1 PR, 12 pushes in 2 years 10 months
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