Devaa Srii18

Embedded Firmware Engineer with 4+ years of experience in Embedded C/C++, STM32, ESP32, and IoT application development. Skilled in firmware design, peripheral interfacing, communication protocols (UART, SPI, I2C, Modbus RTU), and wireless technologies including Wi-Fi, BLE, and GSM. Experienced in developing, debugging, testing, and optimizing real-time embedded systems for industrial and IoT applications.

Embedded Firmware Engineer at George Multitech Systems Pvt Ltd (2024-08 – Present)

• Developed and maintained embedded firmware for STM32 and ESP32 microcontrollers using C and C++.
• Implemented communication protocols including UART, SPI, I2C, and Modbus RTU for peripheral and module interfacing.
• Developed real-time embedded applications for industrial and IoT systems, optimizing memory usage and performance.
• Integrated wireless communication technologies such as Wi-Fi, BLE, and GSM (SIM800/A7670C) for remote monitoring and control.
• Designed modular and reusable firmware for sensor interfacing, including ultrasonic sensors, ADCs, load cells.
• Implemented EEPROM-based configuration storage and custom input/output control logic.
• Utilized STM32CubeIDE and Arduino IDE for firmware development, debugging, and testing.
• Performed firmware validation and troubleshooting using serial debugging, protocol analysis, and hardware testing techniques.
• Collaborated with hardware and software teams throughout the product development lifecycle.

Embedded Developer at Livewire Software Training Institute- Trichy (2021-04 – 2024-02)

• Delivered training programs on Embedded Systems, Microcontrollers, Embedded C, and IoT technologies.
• Developed instructional materials, laboratory exercises, and project-based learning modules.
• Designed and developed embedded applications using C and C++ for real-time systems.
• Implemented low-level hardware interfacing and peripheral control for various microcontroller platforms.
• Guided students in embedded firmware development, debugging, and project implementation.
• Maintained technical documentation and software development processes.

Soldering Technician at Syrma SGS Technology-Chennai (2017-08 – 2018-04)

• Operated soldering equipment to assemble electronic components according to manufacturing specifications.
• Performed inspection, testing, and rework activities to ensure product quality.
• Supported continuous improvement initiatives to enhance productivity and manufacturing efficiency.

B.E. in Electronics and Communication Engineering – RVS College of Engineering,Dindigul (2013 – 2017)