15 years in software development. Led teams develop and launch games, mobile apps, websites and enterprise software. Developed own apps with thousands of users. Wide experience in both frontend and backend technologies. Passionate about continuous learning and sharing knowledge to the developer community. Conducted dozens of seminars, trained hundreds of students and professionals, wrote development tutorials, and contributed open source software. Cryptocurrencies and crypto collectibles investor and trader. Now focused on research and development of blockchain technology solutions.