Maksim K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Senior software developer with 10+ years of experience. C# expertise: - .NET Framework and .NET Core - ASP .NET - C++ and CUDA integration with C# - Windows Presentation Foundation (WPF C#.NET) - Windows Forms - Avalonia UI - Networking - Highload and real-time multithreading C and C++ expertise: - C++17 with reasonable templating - STL and Qt libraries - FFMPEG, FFTW3, CUDA, ASIO SDK, LADSPA - Audio and video processing - Signal processing: IIR and FIR filters, correlators, convolvers - Software Defined Radio (SDR) Firmware development: - Arduino, AtMega, ESP8266, ESP32 - STM8 and STM32 MCUs - Renesas RL78 series - STM HAL and Stm32CubeMX/IDE - FreeRTOS, LwIP - OpenWRT, Linux