Stepan L.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.

QT C++, Computer Vision In Computer Vision, I specialize in frameworks like OpenCV, others. I've optimized state of the detection and tracking algorithms. Innovative Automation Engineer with over 20 years experience and successful background in the development, electrical engineering, complex process management. Embedded Product. As an Embedded Product Development Specialist, my expertise encompasses test-driven development of custom software solutions in various domains, including automotive. Skilled in languages such as C++ Qt and Embedded, I adeptly handle projects across diverse platforms, QT UI, Raspberry Pi, ESP32 and Arduino, MQTT, Webserver, TelegramBot/ PLCs&HMIs • Experience about PLCs&HMIs for various brands(Siemens S7, Schneider, Beckhoff, FATEK, Omron, Delta) • Knowledge of electrical hardware including PLCs, VFDs, Softstarters, Servos, Digital/Analogue field devices, specialty sensors, scanners, actuators, motors, encoders, etc.