Key Responsibilities
Develop, modify, test, and maintain embedded firmware for IoT products and connected devices.
Develop firmware applications using ESP32, STM32, or other microcontrollers.
Write productive, reliable, and maintainable Embedded C/C++ code.
Interface microcontrollers with sensors and peripheral devices.
Work with embedded interfaces and protocols including UART, SPI, I²C, GPIO, PWM, ADC and RS485/Modbus.
Implement sensor data acquisition, processing, validation, error handling, and diagnostics.
Develop and debug Wi-Fi and GSM/LTE-based IoT communication.
Implement device communication with gateways and cloud/server APIs using MQTT, HTTP/HTTPS and related protocols.
Work on firmware features including OTA/FOTA updates, watchdog, RTC, configuration management and device diagnostics.
Analyze existing firmware and implement enhancements, fixes, and performance improvements.
Debug firmware and hardware-related issues using serial logs, debugging tools, and test equipment.
Support sensor calibration, validation, reliability testing,



and troubleshooting of field issues.
Participate in unit testing, integration testing, and product-level firmware validation.
Work closely with Hardware, QA/Testing, Software, Production, and Service teams during product development and deployment.
Support hardware-firmware integration, PCB bring-up, and troubleshooting where required.
Prepare and maintain technical documentation covering firmware, interfaces, configurations, and troubleshooting procedures.

Support investigation of recurring field failures and contribute to root-cause analysis and corrective actions. The existing KRA specifically emphasizes closing the loop on field failures and feeding corrective changes into subsequent product revisions.

Pay: Up to ₹50,000.00 per month

Education:
Bachelor's (Preferred)

Experience:
Embedded software: 3 years (Preferred)

Work Location: In person

📌 Embedded Iot Engineer Delhi
🏢 PAS Digital(Caleedo
📍 Delhi