Karol Walecki is an experienced software developer specializing in PHP development, currently serving as a Senior Developer at GatherUp since January 2025. Prior to this role, Karol held positions as a Senior PHP Developer at Traject from June 2022 to January 2025 and at Przelewy24 from January 2018 to June 2022, where responsibilities included team leadership. Karol's earlier experience includes roles as a PHP Developer at Fachowo Sp z o.o., Finance Development Sp. z o.o., and bs4 business solutions. Educationally, Karol earned a Licentiate degree in Informatics from Uniwersytet im. Adama Mickiewicza w Poznaniu between 2011 and 2014.
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