Agis Anastasopoulos
Senior Staff Software Engineer at Clerk.com
Greece
Summary
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RockstarAgis Anastasopoulos is a Senior Staff Software Engineer based in Greece with 13 years of experience building high-performance backend systems and platform tooling. He excels in Go and Ruby/Rails, has introduced Go into production at scale, and recently began exploring Rust, while routinely contributing to core projects like Bundler, RubyGems, the MongoDB Ruby driver and Kafka clients. At Skroutz he cut a 14+ hour test suite to 8 minutes with a distributed Ruby test runner and built a Go caching build server that sped CI by up to 3x, demonstrating a strong bias for pragmatic engineering that accelerates teams. He operates large on-prem fleets and cloud infrastructure, and his work spans databases, messaging, observability and CI/CD across MySQL/Postgres, Redis, Kafka, Elasticsearch, Docker and Kubernetes-adjacent tooling. An active open-source maintainer and author of several developer utilities, he combines deep systems troubleshooting with developer-facing ergonomics—often improving both performance and DX simultaneously.
14 years of coding experience
12 years of employment as a software developer
Stackoverflow
33,116reputation
3.5mreached
427answers
7questions
networking
top-5%
git
top-1%
routes
top-5%
postgresql
top-5%
github
top-1%
go
top-5%
Github Skills (45)
dependency-management10
git10
javascript10
github10
package-management10
redis10
rubygems10
testing10
authentication10
user-authentication10
nextjs10
ruby10
bundler10
error-handling10
nodejs10
Programming languages (24)
Github contributions (5)
rubygems/bundler
Apr 2013 - Jan 2016
Manage your Ruby application's gem dependencies
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 commits, 31 PRs, 47 pushes in 2 years 9 months
Contributions summary:Agis primarily contributed to the core logic of the `bundler` gem, focusing on enhancing its functionality and robustness. They implemented improvements such as displaying warnings for missing dependencies, handling errors when requiring gems, and making the source code more strict. The user also addressed specific bug fixes related to incorrect URI parsing and enhanced test coverage. Their work involved modifying several core files related to command-line interfaces, source handling, and runtime dependencies.
ruby-applicationrubyrubygemsdependency-manager
ruby/rubygems
Apr 2013 - Jan 2016
Library packaging and distribution for Ruby.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:36 commits, 2 PRs, 3 comments in 2 years 9 months
Contributions summary:Agis primarily contributed to the `rubygems/rubygems` repository by addressing several issues related to the Bundler component. Their work included fixing bugs, enhancing error handling, and improving the user experience. Specific tasks involved refining source URI validation, handling errors during gem requirements, and improving error messages for git-related issues. Additionally, the user implemented code that improved build and deployment processes, especially in the areas of sudo access within the build environment.
rubyrubygemspackage-manager
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