Piotr Marczyszyn possesses expertise in php, oop, mysql, design patterns, git and 53 more skills. Colleagues describe him as "Piotr has been my supervisor for the last 3 years. He has been a patient teacher and a demanding supervisor, who has been a powerful impact on my career. He is an outstanding specialist who has expert-level knowledge of disparate technologies. Programming issues, network configuration, Linux system - that's his cup of tea. As Director of Engineering, working under pressure is part of his job. Piotr is a hardworking perfectionist who cares about every detail, so his solutions are scalable, safe, and easy to maintain. I strongly recommend him to professionals seeking to complete any project, as a consultant or an IT expert among others." and "Working with Piotr was an absolute joy. Every question I’ve ever asked him was met with insightful answer. Piotr is always eager to help and share his seemingly infinite knowledge. He is a top-notch specialist with vast expertise in web development. Piotr crafted an amazingly fast, stable, scalable and secure platform here at Showroom. Apart from his skills as a programmer and systems architect, Piotr is all around wonderful person. He’s very communicative and observant. Those abilities enabled him to create a balanced and extremely coherent team which I’m proud to be a part of."