With 7 years of professional experience with C++ in the games and VFX industries, Viktor currently spends his time writing open source software (since 01.01.2016) - and occasionally doing some contract work. His latest work has been the implementation of hot code-reloading at runtime for the Nim programming language. He is also the author of doctest - "The fastest feature-rich C++11 single-header testing framework". His interests are the making of games and game engines, high-performance code, data-oriented design, cryptocurrencies, optimizing workflows and incorporating good practices in the software development process such as testing and the use of modern tools like static analysis or instrumentation. Viktor is from Sofia, Bulgaria and his profession is his hobby.