Sergey Sheleg
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolSergey Sheleg is a product and technology leader with 11 years of experience building mobile-first products and scaling consumer platforms from concept to millions of users. As Chief Product Officer at Appvillis and co-founder/CPO/CTO of Nicegram, he led the development of an alternative Telegram client that amassed over 30 million organic downloads and launched global services like eSIM Plus. His background spans end-to-end product ownership—from mobile engineering and AI-enabled features to crypto payments and connectivity—gained at companies including Ultimate Guitar and MOBYRIX. Based in Warsaw, he combines hands-on engineering instincts with a humanist leadership style, focusing on intuitive UX and pragmatic growth. Notably, he pairs entrepreneurial self-starting (multiple solo app launches) with enterprise-grade product management across Web2 and Web3 domains.
11 years of coding experience
10 years of employment as a software developer
Бакалавр, Информационные системы и технологии в экономике, Бакалавр, Информационные системы и технологии в экономике at БГУИР
Английский, Русский
Github Skills (9)
telegram-bot8
prompt7
telegram7
prompt-engineering6
tdlib6
telegram-client6
telegraph5
ios5
chatgpt4
Programming languages (1)
Github contributions (5)
ssheleg/neuro_simulator
Sep 2017 - Mar 2020
Contributions:21 pushes, 1 branch, 4 tags in 2 years 5 months
ssheleg/lobe-chat-fork
Feb 2024 - Mar 2025
🤖 Lobe Chat - an open-source, high-performance AI Chat framework. Support one-click free deployment of your private ChatGPT/Gemini/Local LLM application.
Contributions:8 pushes in 1 year 1 month
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