Job Description: IoT Device Firmware Developer

http://www.vrtekh.com/


Job Description: IoT Device Firmware Developer
Position Overview:
We are seeking an experienced IoT Device Firmware Developer to join our team. The ideal candidate will be responsible for designing, developing, and maintaining firmware for IoT devices using cutting-edge technologies. The role requires in-depth knowledge of embedded systems, connectivity protocols, and secure firmware development.

Key Responsibilities:

1. Firmware Development:

○ Design and develop firmware for IoT devices based on the STM32 microcontroller platform.
○ Implement and optimize protocols such as FreeRTOS, LwIP, and Azure SDK for C.

1. Cloud and Connectivity:

○ Integrate and manage device communication with Microsoft Azure IoT Hub.
○ Implement IoT communication protocols such as MQTT and LwM2M.
○ Work with cellular connectivity technologies like 2G, LTE-M, and NB-IoT to ensure reliable device communication.

1. Module and Hardware Integration:

○ Work with Quectel modules for cellular IoT connectivity.
○ Develop and debug firmware to interface with modules using AT commands.

1. Security and Optimization:

○ Integrate secure communication protocols using mbedTLS.
○ Implement STM32 Secure Engine features to enhance firmware security.
○ Optimize performance using STM32 Connect Library for cloud and edge connectivity.

1. Integration and Maintenance:

○ Collaborate with hardware engineers for seamless firmware-hardware integration.
○ Debug and resolve firmware issues while ensuring compliance with project timelines.

1. Compliance and Documentation:

○ Ensure firmware complies with relevant licensing (MIT, BSD, Apache-2.0, SLA0044).
○ Maintain documentation for firmware architecture, designs, and updates.

1. Collaboration and Innovation:

○ Work closely with cross-functional teams to support new product development.
○ Evaluate and implement new technologies to enhance IoT solutions.

Technical Skills Required:

1. Programming Languages:

○ Proficiency in C/C++ for embedded systems development.
○ Familiarity with scripting languages for automation is a plus.

1. Embedded Systems:

○ Experience with STM32 microcontrollers and development environments.
○ Strong understanding of RTOS, specifically FreeRTOS.
○ Hands-on experience with network stack implementations (e.g., LwIP).

1. Cloud and Communication Protocols:

○ Expertise in IoT protocols like MQTT, LwM2M, and integration with Microsoft Azure IoT Hub.
○ Familiarity with cellular IoT technologies such as 2G, LTE-M, and NB-IoT.

1. Hardware and Modules:

○ Experience working with Quectel modules and proficiency in using AT commands.

1. Security:

○ Knowledge of TLS/SSL protocols and integration using mbedTLS.
○ Experience with secure boot and firmware updates.

1. Tools and Frameworks:

○ Proficient in debugging tools like JTAG, SWD, and logic analyzers.
○ Experience with version control systems like Git.

Preferred Qualifications:
● Bachelor’s/Master’s degree in Electronics, Computer Science, or a related field.
● 3+ years of experience in IoT firmware development.
● Hands-on experience with Azure IoT SDK or other cloud IoT platforms.
● Familiarity with agile development practices and CI/CD pipelines.

Personal Attributes:
● Strong problem-solving and analytical skills.
● Excellent communication and teamwork capabilities.
● Self-motivated with a proactive approach to learning and innovation.

Location: [Insert location or mention remote availability]
Compensation: Competitive salary with benefits and opportunities for professional growth.
If you are passionate about building secure and innovative IoT solutions, apply now to join our dynamic team!