A "T"-shaped Java developer suffering from imposter syndrome with 15+ years in the industry. Currently employed at Odnoklassniki (ok.ru). Professional experience includes working for outsourcing companies, being a freelance programmer, and developing in an IT giant in such business domains as the medical industry, financial and banking services, and social networks. Takes part in an educational project for Saint Petersburg Polytechnic University as a tutor. Interested in JVM internals, distributed caching, high-performance systems, and concurrency tweaks.