Michał Kalkowski is a highly experienced backend software engineer with 16 years of expertise in PHP and Kotlin. Currently serving as a PHP Senior Software Engineer at SumUp, Michał focuses on developing modular monoliths and migrating applications to microservices. Previously, Michał has worked at various companies including Divante and BitBag, contributing to both legacy code and new feature implementations. Michał also owns a business, Silversite.pl, where they create websites and manage projects, while holding master's degrees in Software Engineering and Network Systems.
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