Some details about the project that needs you:
We have been working on HaaS project QHub for several years. QHub is a network of multifunctional self-service stations that is operating based on the franchising business model. The project is popular among businesses and end-users. Now we are working on scaling it, updating the software part regularly and adding new features. The team of Python/Golang and React developers, Embedded, QA, and DevOps is working hard on the project. They are dedicated to this project and are waiting for you to make even better progress and achieve more with you.

Qualifications and skills
• Strong knowledge C
• Developing code in C for RTOS-based and bare-metal
• 1+ years of commercial development experience
• Good knowledge SPI, RS-232/485, CAN
• Embedded devices debugging experience
• Git

Would be a plus
• Experience with ARM-based and AVR microcontrollers
• Scripting languages experience ( bash, shell)
• Linux / Unix platform
• Experience with IoT
• Digital and analog electronics design
• Good knowledge of popular IoT protocols (like MQTT, AMQP ... )

Duties
• Development software based on FreeRTOS (on STM32)
• Development software for ESP32
• HW Prototyping