Simone Carletti
CTO at DNSimple
Rome, Lazio, Italy
Summary
🤩
RockstarSimone Carletti is a seasoned CTO with 18 years of engineering experience, currently leading technology at DNSimple from Rome. He blends hands-on backend expertise in Go and Ruby with product and DevOps sensibilities, having contributed to prominent open-source projects like Kubernetes external-dns, Let's Encrypt's Boulder, and the go-acme/lego client. Simone focuses on reliability and correctness—evidenced by dependency upgrades, robust testing, and careful handling of DNS and public-suffix logic—while also owning build/release automation work for package ecosystems. Outside pure engineering he brings curious, real-world disciplines to his leadership: he’s a certified scuba instructor and a sommelier, signaling attention to detail and calm under pressure. Colleagues describe him as a pragmatic problem-solver who moves between deep code contributions and strategic platform decisions with equal fluency.
18 years of coding experience
English, Italian, French, Spanish
Stackoverflow
174,989reputation
9.4mreached
2,059answers
25questions
localization
top-1%
curl
top-5%
regex
top-1%
ftp
top-5%
ruby
top-1%
testing
top-5%
Github Skills (116)
dependency-management10
github10
package-management10
api-client10
testing10
rspec10
http10
ruby10
e-mail10
dns10
routes10
currency-converter10
heroku10
rake10
activerecord10
Programming languages (19)
Github contributions (5)
weppos/publicsuffix-ruby
Nov 2009 - Dec 2022
Domain name parser for Ruby based on the Public Suffix List.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 618 commits, 239 PRs in 13 years 3 months
Contributions summary:Simone primarily worked on developing and testing the core logic of the PublicSuffixService, which appears to be a domain name parser. Their contributions include implementing the foundational data structures for rules, adding methods to the List class for various functionalities and ensuring the code's correctness. The commits involved significant refactoring, including restructuring rules into subclasses, and included unit tests for the implemented features.
suffixpslpublicsuffixrailsdomain-name
weppos/breadcrumbs_on_rails
May 2009 - Jul 2022
A simple Ruby on Rails plugin for creating and managing a breadcrumb navigation.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:146 commits, 37 PRs, 59 pushes in 13 years 4 months
Contributions summary:Simone's commits primarily focused on the development and refinement of the breadcrumbs_on_rails plugin for Ruby on Rails. They implemented the initial release, improved the test harness, and fixed issues related to method names and helper usage. Furthermore, they added support for action-level evaluation and implemented various updates, including Rails 3 compatibility and user input escaping.
ruby-on-railsrails-apibreadcrumbsbreadcrumb-navigationrails
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