
Software developer specializing in creating modern products: AI and LLM integration, backend development in TypeScript/Node.js, Flutter/Dart, React/React Native and native development for iOS, Android, macOS, Windows and Linux. I develop products from scratch – from architecture to release and further support.
My programming journey began at the age of five with BASIC on a Soviet clone of the ZX Spectrum. At the age of 11, he created and launched his first website using HTML and Perl. Later he worked with PHP, MySQL, Flash, C/C++, Java and modern technologies.
Having started his career with computer repair, he moved to Mercury Development to the position of Software Engineer, where he was involved in development for Apple platforms and cross-platform solutions. Since then I have been creating products from scratch, participating in development management and supporting commercial and internal projects.
I have experience in system programming, driver development for macOS, embedded development and working with x86, ARM, PowerPC, Motorola 68000, Z80 and MSP430 architectures. Author of at least three VPN clients.
Clients include: Decathlon, Fitbit, Doctis.
LinkedIn: linkedin.com/in/zefir1990
GitHub: github.com/zefir1990
Telegram: t.me/zefir1990
Email: ceo@demensdeum.com
Twitch: twitch.tv/zefir1990
Youtube: youtube.com/zefir1990
ArtStation: zefir1990.artstation.com
Kwork: https://kwork.com/in/zefir1990/