Gregory Witek has extensive experience in software engineering and leadership roles, having worked for notable companies such as Netguru, Ascenda, Booking.com, and Meta. Starting as a Ruby on Rails programmer at Netguru, Gregory progressed to senior and lead roles at Ascenda, where responsibilities included system design, team management, and improving application performance. At Booking.com, Gregory served as a Senior Engineering Manager, overseeing multiple teams and initiatives related to incident management, engineering metrics, and internal quality policies. Gregory's dedication to the software development community is further demonstrated through contributions as a content creator for Not Only Code and a focus on mentoring and supporting developers. Educational background includes degrees in Computer Science and Software Engineering from Politechnika Poznańska and Universidad Politécnica de Valencia.
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