Konstantin had been a CTO of four startups over the last decade and is a frequent speaker at tech conferences, such as Ruby, PostgreSQL, Redis, Business. His online presentations have been watched by 200K people worldwide. He writes a technology blog at , and actively participates in the open source software development, maintaining a multitude of open source projects in Ruby, C/C++, CMake, Arduino, Bash, as well as Chef, with some of his contributions enjoying growing popularity.
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