IoT Engineer - ESP32 & Azure IoT Hub Integration

Company: ConnectTel, Inc.
Location: San Mateo
Posted on: May 6, 2025

Job Description:

Job Title: IoT Engineer - ESP32 & Azure IoT Hub Integration

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Location: SFO, CA
Job Type: Contract
Experience Level: 12 - 15 Yrs. Senior

Job Description
We are seeking a skilled and passionate IoT Engineer to join our team and lead the design and implementation of mesh network-based IoT solutions using the ESP32 platform and Microsoft Azure IoT Hub. In this role, you will work on creating robust, scalable, and secure IoT architectures that enable seamless communication between edge devices and the cloud.

Key Responsibilities
--- Design and implement mesh network architectures using ESP32 microcontrollers.
--- Utilize protocols such as Wi-Fi Mesh (IEEE 802.11s), Bluetooth Mesh (Bluetooth 5.0), and EspRESSIF's EspNow for mesh communication between devices.
--- Configure ESP32 devices to connect and transmit data to Azure IoT Hub using protocols like MQTT, AMQP, or HTTP.
--- Develop and deploy IoT applications using the ESP32-Azure IoT Kit, integrating peripherals such as OLED displays, sensors, and buzzers.
--- Implement Azure IoT Plug and Play capabilities to simplify cloud-device integration.
--- Ensure secure and reliable communication between edge devices and Azure cloud services.
--- Collect, publish, and analyze telemetry data from IoT devices for further processing and visualization.
--- Collaborate with cross-functional teams to develop end-to-end IoT solutions.

Required Skills and Experience
--- Proven experience with ESP32 programming (C/C++/Arduino/ESP-IDF).

--- Hands-on experience with mesh networking protocols (Wi-Fi Mesh, Bluetooth Mesh, or EspNow).
--- Familiarity with Azure IoT Hub and Azure IoT Plug and Play ecosystem.
--- Experience in developing cloud-connected embedded systems.
--- Knowledge of IoT communication protocols like MQTT, AMQP, and HTTP.
--- Experience with sensor integration and real-time data transmission.
--- Strong debugging, optimization, and documentation skills.

Preferred Qualifications
--- Experience with the ESP32-Azure IoT Kit.
--- Microsoft Azure certifications (AZ-220, etc.) are a plus.
--- Understanding of IoT security best practices.
--- Prior involvement in large-scale IoT or smart device deployments.

Keywords: ConnectTel, Inc., Ceres , IoT Engineer - ESP32 & Azure IoT Hub Integration, Engineering , San Mateo, California