Mostafa 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.

As an embedded systems engineer, I have a strong background in software development and a passion for building innovative systems that solve real-world problems. With over 3 years of experience in the field, I have a deep understanding of the hardware and software components that make up embedded systems, as well as the tools and techniques used to design, develop, and maintain them. My expertise includes programming in languages such as C#, C and C++, as well as experience with real-time operating systems and other tools commonly used in embedded systems development. I have a strong understanding of computer architecture and hardware design, and I am skilled at debugging and troubleshooting complex systems. In my previous roles, I have contributed to the development of a wide range of embedded systems I have also worked on projects involving the integration of sensors, actuators, and other peripherals into embedded systems. In addition to my technical skills, I am a strong problem-solver and communicator, with the ability to work effectively in teams and with non-technical stakeholders. I am always looking for new challenges and opportunities to apply my skills and knowledge to make a positive impact on the world. Technical Skills: -Excellent knowledge of electrical embedded systems and microprocessor. - Excellent knowledge of C, data structure, and pointers. -Good knowledge of C++, OOP, and QT platform that used for developing software. - Platforms: ARM-Cortex MCUs Tiva™ C Series TM4C123G/ stm32f103c8t6, AVR ATmega32/328, ARDUINO, PIC,MSP430,STM32F7,CC1350,RISC-V. -Peripherals: GPIO, ADC, Timers, PWM, Interrupts, SysTick, NVIC, uDMA. -Excellent knowledge of building Screen GUI by using TOUCHGFX tool. -Excellent knowledge of building portable deriver for any microcontroller. -Excellent knowledge of serial protocol like UART, SPI, USB, and I2C. -Excellent knowledge of Wireless Networks like Wi-Fi and Bluetooth. -Excellent knowledge of free RTOS and TI RTOS. - Wireless networks (Wi-Fi, Bluetooth, and RF). - bootloader -IOT Security -ESP32 C3 (based on RISC-V core)