Birkir Barkarson
Chief Technology Officer at Keima
Copenhagen, Capital Region of Denmark
Summary
👤
Senior🎓
Top SchoolBirkir Barkarson is a seasoned technology leader and CTO with 17+ years of experience steering engineering organizations through scale, architectural modernizations and product-led transformations. With a background in physics and computer science, he combines strong analytical problem-solving with hands-on engineering—from leading migrations of backend stacks (PHP to Go) to transitioning legacy systems into resilient, cloud-native architectures. He has built and grown cross-functional teams of 80+ engineers, introduced DORA and performance-driven practices, and shaped org-level processes like incident response, career paths and OKR-aligned engineering strategy. Practical and customer-focused, he emphasizes pragmatic delivery over perfect designs while removing organizational dysfunction and fostering ownership and transparency. An active contributor to open-source ecosystems, he has improved compatibility and test coverage in notable projects such as Monolog, demonstrating attention to interoperability and robust error handling. Based in Copenhagen, he pairs deep technical credibility with a mentoring leadership style that consistently attracts and retains top talent.
17 years of coding experience
21 years of employment as a software developer
Ba.Sc. Physics, Ba.Sc. Physics at Háskóli ÍslandsAircraft Pilot (Private), Aircraft Pilot (Private) at Hawaii Flight Academy
English, Japanese, Icelandic, Danish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (6)
monolog10
logging10
php10
psr-310
back-end-development10
testing8
Programming languages (6)
Github contributions (5)
Seldaek/monolog
Oct 2013 - Oct 2013
Sends your logs to files, sockets, inboxes, databases and various web services
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits in 1 day
Contributions summary:Birkir primarily focused on addressing compatibility issues related to the eAccelerator PHP extension within the Monolog library, specifically impacting the StreamHandler class. Their work involved modifying error handling mechanisms by changing anonymous functions to private instance methods and resetting error messages. Furthermore, the user contributed to merging branches and resolving conflicts, including the integration of fixes related to the eAccelerator issue, and refactoring the code base. They also made modifications to the LogstashFormatter, improving test coverage by adding tests for different versions and scenarios.
loggerphploggingsocketsdatabases
birkirb/git_tools
Jan 2014 - Jun 2016
Contributions:20 commits, 2 pushes, 2 tags in 2 years 5 months
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