Senior Embedded Software Developer – Welding Automation Products

Department: Research & Development
Location : Chennai
Job Type: Full time (Work from Office)
Experience Level: Senior (5 to 7 years)

Key Responsibilities
• Design, develop, and maintain embedded firmware for welding power sources, weld control devices, and control units used in industrial welding automation.
• Implement and tune real-time closed-loop control algorithms (current, voltage, and arc control) for switched-mode power conversion using PWM-based digital controllers.
• Develop low-level drivers and interfaces for power electronics building blocks: gate drive circuitry, power semiconductor switches (IGBT/MOSFET), current/voltage feedback sensing, and thermal protection.
• Work with DSP-based or ARM Cortex-M/STM32 microcontrollers to implement high-speed control loops, ADC sampling, and PWM generation for welding power converters.
• Collaborate with power electronics and hardware design teams on board bring-up, control-loop validation, and system-level integration of welding power sources.




• Develop communication interfaces between weld controllers, power sources, and peripheral devices using CAN, RS-485, Ethernet, and other industrial protocols.
• Support integration with robotic and automated welding cells, ensuring reliable synchronization between weld control units and automation systems.
• Debug and troubleshoot firmware and control-loop issues using oscilloscopes, logic analyzers, JTAG/SWD, and power-quality measurement tools.
• Write and maintain design documentation, test plans, and validation reports for embedded control software in line with industrial/safety standards.
• Participate in code reviews, support automated testing of firmware, and mentor junior engineers on embedded and power-electronics best practices.

Required Skills and Qualifications
• Bachelor or Master degree in Electrical, Electronics, Power Electronics, or related engineering discipline.
• 5 to 7 years of experien

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