Name: Jobpe
Address: T-Hub, Plot No 1/C, Sy No 83/1, Raidurgam panmaktha, Knowledge City Rd, Hyderabad, Telangana, 500081, IN
Telephone: +91-83339-09630
Price range: Free

Firmware Engineer - LoRaWAN/NB-IoT/WIFI Mettsenia Solutions

0.0 - 3.0 years

1 - 6 Lacs

Bengaluru

Work from Office

Role & responsibilities Job Summary : We are seeking an experienced Firmware Engineer to join our IoT/IIoT team. The ideal candidate will have hands-on experience in LoRaWAN firmware development, MQTT protocol, and AWS IoT Core integration, with a strong background in working with STM32 and ESP32 processors. You will be responsible for developing, testing, and deploying firmware solutions for devices utilizing digital I/O, RS485 communication, pulse counting, and analog sensors (including 4-20mA). Your role will be critical in advancing our IoT solutions, and you should be comfortable working across various hardware interfaces. Key Responsibilities : - Design and develop firmware for LoRaWAN devices using STM32 and ESP32 processors. - Implement and integrate the MQTT protocol for IoT communication. - Experience with up chirpstack server - Work with AWS IoT Core to connect, manage, and secure IoT devices. - Develop drivers for RS485 and digital I/O communication protocols. - Interface with pulse counting devices, analog sensors (4-20mA), and digital inputs/outputs. - Optimize firmware for FreeRTOS environments. - Collaborate with hardware teams to design solutions that integrate with analog and digital sensors. - Optimize power consumption and performance for IoT devices. - Test, debug, and ensure reliability and robustness of firmware across a variety of industrial environments. Required Skills and Qualifications : - Bachelor's degree in Electronics, Computer Science, or a related field. - 2+ years of relevent experience in firmware development, especially in the IoT/IIoT domain. - Expertise in LoRaWAN protocol and network architecture. - Hands-on experience with STM32 and ESP32 processors, and FreeRTOS. - Proficient in programming languages such as C/C++ and embedded systems. - Experience with RS485 communication, pulse counting, and interfacing analog sensors (4-20mA). - Familiarity with digital I/O systems and sensor interfaces. - Strong understanding of power management in IoT devices. - Experience with MQTT protocol and AWS IoT Core. - Knowledge of testing and debugging tools for embedded systems. - Experience in developing solutions for energy or water metering, and process automation is a plus. - Excellent problem-solving skills and ability to work in a fast-paced environment. - NB-IoT Communication Protocol Expertise understanding of NB-IoT : - Strong knowledge of NB-IoT architecture, 3GPP standards, LPWAN (Low Power Wide Area Network) technologies. - NB-IoT Module Experience: Hands-on experience with NB-IoT modules (e.g., Quectel, SIMCom, Sierra Wireless, u-blox). - AT Commands: Experience in using AT commands for configuring and managing NB-IoT modules. - Cellular IoT Communication: Understanding of cellular communication protocols (LTE-M, NB-IoT, GSM). Preferred candidate profile - Experience with industrial IoT/IIOT applications. - Knowledge of cloud services and edge computing. - Work experience of AWS, MQTT, RS485/modbus protocol, ESP32/STM32, LORA, NB-IOT,pulse driver , electrical meter communication driver using RS485 . - Understanding of IIoT security standards and best practices. Perks and benefits -Salary

Posted 6 days ago

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