According to Belpol , Alexander had been in business for over 20 years. From the 1990s to 2008, he was deputy director of Litsvin LLC, which was involved in retail trade. From there, he moved to Expotechprom LLC and PromPoisk LLC, which specialized in wholesale trade of non-food products.
In October 2018, Alexander registered as a sole proprietor. He chose computer programming as his primary activity. This was a rare and inspiring achievement—Kotlyanik was 65 years old at the time.
In life, Alexander used the Belarusian language—at least when communicating online and when ordering from online stores.
