Firmware Engineer

JOB DESCRIPTION – FIRMWARE ENGINEER (ESP32)

ROLE OVERVIEW

We are hiring a Firmware Engineer with strong experience in ESP32-based embedded development. The candidate will be responsible for building and supporting real-time firmware, integrating peripherals, and developing touchscreen UI using ESP-IDF and LVGL.

RESPONSIBILITIES

1. Firmware Development

Develop and maintain firmware for ESP32 platforms using Embedded C/C++

Work on real-time embedded applications using ESP-IDF

Create modular, scalable, and maintainable firmware architecture

2. GUI and Touchscreen Integration

Implement and support LVGL-based graphical user interfaces

Integrate display drivers and touch controller modules

Optimize UI performance for smooth user experience

3. FreeRTOS and Real-Time Operations

Develop FreeRTOS tasks, timers, and scheduling mechanisms

Implement inter-task communication using queues, semaphores, mutexes, and event groups

Ensure system stability and real-time responsiveness

4. Peripheral and Protocol Integration

Interface and debug SPI, I2C, and UART peripherals

Support integration of sensors, communication modules, and external devices

Perform hardware-software bring-up and testing

5. Debugging and Optimization

Debug firmware issues and resolve crashes, performance bottlenecks, and memory issues

Optimize CPU usage, power consumption, and firmware reliability

Use debugging tools such as serial logs, JTAG, logic analyzers, and oscilloscopes

6. Collaboration and Documentation

Work closely with hardware engineers and product teams

Document firmware design, modules, and integration procedures

Support testing, deployment, and field issue resolution

KEY SKILLS REQUIRED

Embedded C/C++

ESP32 microcontrollers

ESP-IDF framework

FreeRTOS (tasks, queues, semaphores, timers)

SPI, I2C, UART communication protocols

Strong firmware debugging and problem-solving skills

PREFERRED SKILLS

LVGL GUI development experience

Display and touch controller integration

Knowledge of IoT connectivity (Wi-Fi/BLE)

EDUCATIONAL QUALIFICATION

B.Tech / M.Tech in Electronics, Embedded Systems, IoT, or related field