Karthikeyan S

Results-driven Embedded Software Engineer with over 3 years of experience in developing embedded solutions for 32-bit microcontrollers like STM32 and ESP-32. Proficient in C/C++, RTOS, and various communication protocols (I2C, SPI, MQTT). Proven ability to lead new product development from concept to firmware implementation. Seeking to leverage hardware/software integration expertise and RTOS knowledge to contribute to Mettlesemi Systems' innovative projects.

Embedded Engineer at Advanced Engineering Solutions Private Limited (2023-09 – 2025-08)

• Developed embedded software for 32-bit microcontrollers (ESP-32[ESP-IDF], STM32) utilizing RTOS and embedded C/C++, Python.
• Implemented and validated features including I2C, SPI, RS485, TCP, and MQTT communication protocols.
• Authored new project proposals in response to RFQs.
• Executed new product development (NPD) concept, design, and firmware development for projects such as an Industrial Forensic Inspection System (using Cobots), a Semi-Automated Toothbrush, a BLE Lock for Warehouses, Greenhouse LED systems, MCB Testing ATE, and Ceramic Heater Testing ATE.
• Provided technical support for IndustrialAutomation projects, focusing on electrical design using AutoCAD Electrical.
• Identified and managed new vendor sources according to project requirements.

Jr. Embedded Software Engineer at Acelion Energy Storage Solutions Private Limited (2023-01 – 2023-07)

• Authored embedded software for 32-bit microcontrollers (ESP-32[ESP-IDF], STM32) with RTOS using embedded C.
• Developed and tested features for MQTT, RS485, BLE, WiFi network mesh, FOTA(Firmware Over-The-Air updates), and LoRa communication.
• Led NPD concept, design, and firmware development for an Industrial Controller, Industrial Pump Controller, and Industrial IO Expander.
• Assisted the team in fabricating an IndustrialAutomation Control panel utilizing in-house developed products.
• Supported the team in PCB fabrication (SMD components) and component procurement from various suppliers.

Technical/Content Writer at Elysium Technologies Private Limited, IZONE (2021-12 – 2022-09)

• Interpreted and analyzed provided data for academic research writing.
• Conducted research across diverse domains to produce academic research papers.
• Analyzed and synthesized researchers' perceptions, presenting findings in detailed reports.

Robotics Intern at Admatic Solutions Private Limited (2020-11 – 2021-01)

• Engineered an Automated Cooking Machine for bulk preparation, integrating STM32, motor controllers, and HMI.
• Developed a TinyGame Console, a mini entertainment gadget featuring ATTiny series microcontrollers, OLED displays, and analog sticks.
• Created an IoT system for industrial M2M (Machine-to-Machine) communication, employing ESP32, MQTT, and BLE technologies.

Final Quality Assurance at GTN Engineering (India) Ltd (2017-06 – 2018-09)

Management trainee at Chiselkraft Design Laboratory Private Ltd (2016-04 – 2016-11)

Graduate Engineering Trainee at Accurate Steel Forgings Private Ltd (2015-03 – 2015-08)

M.E. in Mechatronics Engineering – Thiagarajar College of Engineering (2018-09 – 2020-06)

B.E. in Mechanical Engineering – Excel College of Engineering and Technology (2010-09 – 2014-05)

Higher Secondary school – S.E.V. Matriculation Higher Secondary School (2009-06 – 2010-04)