Invented a finite representation of programs of infinite size and proved that infinite programs have P = NP, so the proof of P != NP must contain the size of the program. https://vixra.org/abs/2212.0219

Implemented SQLite DB partial transfer to mobile app (C#/C) to reduce network traffic volume. Ported MobileSmart Server to .NET core/linux/docker/cloud. Ported MobileSmart OData API from 4.0 to 8.0 (C#). Optimized server/mobile for weak internet connections, down to GPRS with disconections. Automated nginx proxy for multiple domains. Wrote documentation for goverments' grant.

Developed algotrading platform and strategies to trade futures on MOEX exchange (C#, python), including a noise-tolerant decision trees framework with better accuracy than XGBoost. Got 3rd place (C#) at "Genetic Engineering Attribution Challenge" with $60000 total prize fund. I'm the only one C# developer in the world, who won a prize in a big machine learning competition.

Prepared QIP.Ru for selling: solved tech problems, increased earnings, reduced costs, created and gathered statistics, made "teaser" presentation. The project passed break-even and was acquired: http://goo.gl/XS2Dbp Tech Leader to July 2013 Developed Chromium-based browser QIP Surf, featuring: user data synchronization, cloud data storage, sharing, music player, mail and social network notifications, auto-tuned homepage (Windows, C++, JavaScript). Review: http://goo.gl/ABxvlh Implemented new features, optimized performance, fixed bugs for QIP 2010 instant messenger (Windows, Delphi 7, C++). Wiki: http://goo.gl/rXfPIu

Did several projects on various technologies: Linux/Windows, C/C++, MySQL/ MSSQL, PHP. Got to Top200 in Netflix Prize competition in 3 months. Wiki: http://goo.gl/lsY75t

Integrated fastest MPEG2, MPEG4, H.261, H.263, H.264, VC1, MP3, AC3, AAC codecs into media infrastructures: DirectShow, GStreamer, Helix, OPAL, Viiv (Windows, Linux, C++). Wiki: http://goo.gl/Aa9Eae

Architected SIMD optimizations for Elbrus (E2K) compiler (Linux, C). Intel acquired project's team: http://bit.ly/3k9EPy5 Implemented fastest versions of JPEG/JPEG2000 codecs and Image, Signal and Graphics functions for Sun Microsystems mediaLib library (Solaris, Linux, C, Java). Wiki: http://goo.gl/97HJMp