THILLAINESAN SOMASUNDARAM KIRUBHAKARAN
Erode
Summary
I am an Embedded Firmware Engineer with 4.5+ years of comprehensive experience in implementing and integrating firmware for microcontroller-based systems (STM32/ARM Cortex-M,PIC) primarily using Embedded C/C++ and bare metal programming. Proficient in various communication protocols and PCB bring-up, I excel in optimizing firmware performance for HVAC and industrial applications. My collaborative spirit has led to significant contribution in energy efficiency and product reliability.
Overview
9
9
years of professional experience
Work History
Embedded Firmware Engineer (HVAC/Automation Products)
Sigma Convector Enclosure Corp & Omega Heat Pumps Inc
01.2021 - 10.2024
- Designed, optimized and maintained Embedded C firmware for STM32 based HVAC control boards.
- Integrated and implemented low-level device drivers (UART, RS-232/485, I2C, SPI, ADC, DMA) and communication layers for real-time control systems.
- Optimized firmware for hardware-software integration ensuring correct timing and reliability.
- Integrated BACnet protocol with BMS to enable real-time monitoring and HVAC safety automation.
- Implemented RTOS-based task scheduling and event-driven state machines for scalable firmware architecture.
- Supported PCB bring-up and validation, hardware debugging using oscilloscopes and logic analyzers.
- Collaborated with QA and Mechanical design teams in achieving energy-efficient design by reducing the power consumption by 20%.
- Implemented an Integrated PCB Testing unit which reduced the control board test time by 25% and also reduced the failure rate by 30%
Embedded Software Engineer
Coencorp
10.2019 - 12.2020
- Developed ARM-based firmware for fleet and fuel management devices using C/C++.
- Implemented real-time modules on RTOS and customized Embedded Linux for gateway devices.
- Optimized socket-based communication protocols for secure, real-time vehicle data transmission.
- Worked with CAN bus and vehicle sensors (GPS, fuel systems).
- Used Git/GitHub for version control and collaborative firmware development.
Embedded Software Developer
Freelance
03.2017 - 03.2018
- Designed and implemented microcontroller-based solutions using Embedded C.
- Supported PCB design calculations using Proteus / PSpice.
- Delivered end-to-end solutions including firmware development, testing and customer support.
Senior Operator
NORM Magma Waste Management
03.2025 - 12.2025
- Operated, monitored automated production units under safety-critical conditions.
Education
Post Graduate Diplomas - Electronics and Embedded System Design, Additional course in Supply Chain Management
Fanshawe College of Applied Arts and Technology
London, ON08.2019
Bachelor of Engineering - Electrical and Electronics Engineering
Anna University
India04.2017
Skills
Programming Language:
Embedded C,C, Bare-metal Programming
Microcontrollers
STM32, ARM-Cortex-M, PIC
Device Drivers & Peripherals
UART, I2C, SPI, RS-232/484, ADC, DMA
Communication Protocols
Modbus, BACnet, TCP/IP, Bluetooth, NFC, WiFi
Debugging & Validation Tools
JTAG, GDB, Oscilloscope, Logic Analyzer, Multimeter
Development Tools
Git, GitHub, Altium, Proteus
Documentation & Standards
SRC, HLD, LLD, Test Plans, Validation Report
Project
Smart HVAC Controller (STM32, FreeRTOS):
- Designed and developed real-time firmware for an STM32-based HVAC controller using FreeRTOS resulted in improving the efficiency by 10%.
- Implemented device drivers, task scheduling, fault handling and hardware abstraction, enabling reliable production deployment and system scalability.
Industrial Automation – Automated Dye Tank Control System:
- Developed and implemented a ARM-based industrial control system to regulate liquid level and temperature using IR sensors and thermostats.
- Implemented Embedded C firmware with ZigBee wireless communication, improving process reliability while reducing manual intervention, human error and safety risks.
Relocation
- Karnataka
- Kerala
Timeline
Senior Operator
NORM Magma Waste Management
03.2025 - 12.2025
Embedded Firmware Engineer (HVAC/Automation Products)
Sigma Convector Enclosure Corp & Omega Heat Pumps Inc
01.2021 - 10.2024
Embedded Software Engineer
Coencorp
10.2019 - 12.2020
Embedded Software Developer
Freelance
03.2017 - 03.2018
Post Graduate Diplomas - Electronics and Embedded System Design, Additional course in Supply Chain Management
Fanshawe College of Applied Arts and Technology
Bachelor of Engineering - Electrical and Electronics Engineering
Anna University