Oleksii R.
Senior Embedded Systems Engineer
Open to offersNew to PlatformAbout
John D. is a seasoned Senior Electrical, Electronics & Embedded Systems Engineer with over 10 years of robust experience in developing intelligent hardware solutions from concept to production. His expertise lies in embedded firmware, real-time control systems, and power electronics, making substantial contributions to the industrial automation, automotive, medical, robotics, and smart embedded applications industries. John's work involves advanced multi-layer PCB design, leveraging platforms like STM32 and ESP32 for developing remote telemetry systems, and deploying MQTT-based communication systems. His proficiency with industrial IoT and edge computing platforms is further complemented by his robust experience in high-power inverter design and motor control systems. In addition, John is adept at designing manufacturing-ready hardware, prioritizing reliability and scalability across various industrial applications. His project portfolio includes the development of 10kW-class inverter systems, servo control systems for robotics, and sophisticated medical electronics.
Experience
Senior Electrical & Embedded Systems Engineer
Freelance / Contract EngineeringDesigned industrial switchboard and PLC wiring schematics using AutoCAD and AutoCAD Electrical. Developed PLC I/O card schematics, terminal layouts, instrumentation loop diagrams, and industrial field wiring documentation. Created motor control and industrial automation drawings for commissioning and maintenance applications. Worked with industrial communication systems and control cabinet layouts. Developed STM32/ESP32 embedded hardware for telemetry and industrial IoT applications, including multi-layer PCBs integrating CAN, RS485, LoRa, GPS, LTE-M, NB-IoT, sensors, and wireless communication modules. Produced embedded firmware in C/C++ for real-time control and communication systems, focusing on MQTT-based remote communication systems and battery-powered field devices. Designed automotive-grade and rugged embedded systems utilizing CAN/J1939 communication, including power conditioning and protection circuits for vehicle-powered systems. Implemented EMI/ESD-aware PCB layouts and industrial power architectures for enhanced system reliability. Engaged in medical electronics including precision current control, sensor integration, and developed embedded control systems for regulated and safety-focused applications. Constructed embedded motor-control systems with IMU integration, servo control, and actuator management as well as robotics controller boards using high-speed ARM MCUs. Created production-ready PCB layouts for various robotics and automation applications.