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Piotr Poznanski, PhD, is an accomplished Lead Software Engineer at Toptal with a focus on AI, fintech, blockchain, and gaming solutions since September 2021. As the owner of Resole, Piotr specializes in IT systems development and consultancy. Additionally, Piotr serves as an Expert Witness in IT for the Kraków District Court and has a notable academic background as an Adjunct Professor at Cracow University of Technology, teaching software engineering. Previous roles include Project Manager and Technical Director at CREDO, CREDO Project Manager at the Institute of Nuclear Physics, Senior Software Engineer at Motorola Kraków, and Task Leader at CERN. Piotr holds a PhD and a Master of Science in Computer Science from AGH University of Krakow.