Kamil Ruczyński
Blogger at Tidio
Poland
Summary
🤩
Rockstar🎓
Top SchoolKamil Ruczyński is a senior staff software engineer and blogger from Poland with nearly a decade of hands-on experience building scalable, high-performance systems. He specializes in TDD, DDD, architecture and modernizing legacy platforms into modular, microservices-based solutions, with a track record in e-commerce, ERP, and AI-driven customer service. At Tidio he focused on delivering robust, scalable AI customer service solutions, while earlier roles emphasized CQRS, the Strangler pattern, and pragmatic performance optimizations. Kamil shares practical engineering insights on his blog sarvendev.com, translating hard-earned lessons into accessible guidance for other engineers. He combines a pragmatic, business-oriented mindset with a continual improvement ethos, often hunting down critical system bottlenecks that others overlook. Fluent in both backend and systems thinking, he pairs deep technical craft with clear communication.
9 years of coding experience
16 years of employment as a software developer
Akademia Nauk Stosowanych w Nowym Sączu
Polish, English
Github Skills (40)
unit-testing10
sqlite10
postgresql10
mysql10
mariadb10
testing10
doctrine10
shiny10
abstraction10
abstraction-layer10
laravel10
ibm-db210
nette10
phpunit10
sql-server10
Programming languages (2)
Github contributions (5)
sarven/unit-testing-tips
Feb 2021 - Dec 2022
Unit testing tips by examples in PHP
Contributions:17 reviews, 72 commits, 34 PRs in 1 year 10 months
phpunit-teststestingphpunitunit-tests
sarven/sarven
Aug 2021 - Jan 2025
Contributions:5 pushes, 1 branch in 3 years 5 months
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