Embedded Systems Engineer

Firmware Development:

• Develop, test, and optimize firmware for ESP32, STM32, Nuvoton, or similar microcontrollers.
• Implement device drivers for sensors (pH, Temperature, DO, etc.) and actuators.
• Work with RTOS (FreeRTOS, Zephyr, or similar) for real-time embedded applications.
• Develop power-efficient firmware for battery-operated IoT devices.

Hardware & Circuit Design:

• Design, prototype, and debug PCB layouts (KiCad, Altium, or Eagle).
• Work with analog and digital sensors, power circuits, and communication interfaces (I2C, SPI, UART, CAN, RS485).

IoT Connectivity & Protocols:

• Integrate Wi-Fi, Bluetooth (BLE), LoRa, NB-IoT, LTE-M for wireless communication.
• Implement MQTT, CoAP, HTTP, WebSockets for cloud connectivity.
• Work with AWS IoT, Azure IoT, or Google Cloud IoT for data integration.

System Optimization & Security:

• Optimize memory usage, power consumption, and real-time performance.
• Implement TLS/SSL encryption, Secure Boot, and OTA firmware updates.

Testing & Debugging:

• Use JTAG, SWD, logic analyzers, oscilloscopes, and simulators for debugging.
• Conduct hardware testing, validation, and certification.

Collaboration & Documentation:

• Work closely with hardware, software, and data science teams.
• Document firmware architecture, code, and system specifications.