Rangam kumar Sundram
Embedded System Developer
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About
BTech Electronics and Communication Engineering graduate from National Institute of Technology, Manipur with expertise in embedded systems development, microcontroller programming, and PCB design. Proficient in firmware development, hardware integration, and circuit design with hands-on experience across multiple microcontroller platforms and embedded tools.
Experience
Embedded System Developer at Slis Solutions Pvt. Ltd (2025-06 – Present)
Developing embedded systems and GUI applications for various hardware platforms
- Built, maintained, and scaled the GUI for DWIN UART serial capacitive touch TFT Display
- Built a complete STM32-based wire harness tester from scratch
- Developed a modular codebase separating drivers, core logic, and configuration layers
- Created a flexible project structure supporting customization for multiple clients
- Developed an STM32-based USB-to-RS232 command converter with error handling and emergency shutdowns
- Simulated circuits in Proteus and designed PCBs using KiCad
- Designed an LM358-based ground-detection trigger card for smooth diamond polishing machine operation
Design and Development Engineer at Nutech Technoservices (2025-01 – 2025-05)
Firmware development and peripheral integration for multiple microcontroller platforms
- Worked with ATtiny13A, ATtiny88, ATmega8, STM8, and STM32 MCUs
- Experienced in SPI, I2C, USART, PWM, ADC, and interrupt handling
- Developed and debugged peripheral firmware
- Integrated MCUs with sensors and communication interfaces
- Worked with analog timer ICs like CD4060 and 74HC595 for display control
- Worked on interfacing 7-segment and LCD displays
Design and Testing Intern at Emitter Electronics (2022-06 – 2022-08)
Design and testing of SMPS circuits with focus on efficiency and thermal management
- Designed and tested SMPS circuits focusing on efficiency, thermal management, and EMI reduction
- Worked on transformer design, PCB layout, and optimizing circuit performance
- Designed and optimized PCB layouts using KiCad
- Conducted hands-on testing and debugging of voltage regulation issues
Education
BTech in Electronics and Communication Engineering – National Institute of Technology, Manipur (2021 – 2025)
