Summary
Denis Pauk is a seasoned Senior Python Developer with 17 years of hands-on experience building high-load, distributed systems and client-server architectures, currently delivering solutions at EPAM Systems. He combines deep expertise in Python, C and Bash with practical experience in request balancing, caching, thick clients and web services, and has repeatedly optimized performance for large-scale projects. Denis has a long history of working across the stack—from low-level C modules and Erlang-backed portals to PHP/Python web services and C# desktop clients—and has led product-adjacent development efforts such as self-updating clients and custom object DBs. An active participant in FOSS, he has published and contributed components as open source and maintains an OpenHub profile cataloguing that work. Fluent in Russian and Ukrainian, with solid English, he brings a pragmatic, systems-oriented mindset honed on real-world operational challenges in Ukraine and beyond.
17 years of coding experience
8 years of employment as a software developer
Bachelor of Science, Computer systems and networks, Bachelor of Science, Computer systems and networks at National Aerospace University -'Kharkiv Aviation Institute'
English, Ukrainian