Ramasamy

Electronics & Communication Engineering graduate with 9 months of hands-on industrial experience building embedded firmware and automation software. Skilled in MCU programming (STM32, Arduino, ESP32/ESP32-S3), Modbus TCP communication with PLCs over RS485/Ethernet, custom HMI and data-logging software, and database integration (PostgreSQL, SQLite). Looking to grow further in embedded systems and IoT development roles

Embedded & Automation Software Engineer - Sway Automation & Technologies

• Developed custom HMI and data-logging software in Python and HTML to communicate with PLCs over Modbus TCP via RS485/Ethernet for an industrial material quality-testing laboratory, collecting and storing process data locally in CSV format used for client reporting
• Designed and programmed ESP32-S3 firmware for an OEE (Overall Equipment Effectiveness) monitoring system, interfacing with an 8-channel digital I/O module and a 6-channel relay module, and integrated the collected data with a PostgreSQL database for production tracking and analysis
• Developed firmware and handled hardware integration for a Gas Vending Machine product using the ESP32 Dev Module, covering control logic and sensor/relay interfacing
• Worked on MCU-based embedded systems for industrial client applications

B.E. - Electronics & Communication Engineering - Ramco Institute of Technology, Anna University (2021 - 2025)

Higher Secondary & Secondary Education - Spectrum Matriculation Hr. Sec. School