ESW Developer/Architect – MCU (Motor Control Unit)

Larsen & Toubro; Bengaluru; On-site; INR 1,500,000 - 4,000,000; Full time

Job summary

Larsen & Toubro seeks an ESW Developer/Architect – MCU to design and optimize embedded software for motor control units in electric drive systems. You will work with hardware, firmware, and control teams to deliver high-performance motor control software.

Requirements include strong C/C++, RTOS, real-time programming, and experience with motor control algorithms (FOC, SVPWM). Familiarity with ISO 26262 and model-based design is preferred.

Qualifications

• Master's or Ph.D. in Electrical Engineering, Control Systems, Mechatronics, or related field.
• 3-10 years of embedded software development experience.
• Strong proficiency in C/C++, embedded RTOS, and real-time programming.

Responsibilities

• Design, develop, and optimize embedded software for Motor Control Units (MCU) using C/C++.
• Implement and refine motor control algorithms such as FOC, SVPWM, torque control, and other control techniques.
• Develop real-time control loops for BLDC, PMSM, or induction motors.
• Integrate software with microcontrollers, DSPs, and power electronics modules.
• Design modular, scalable software architecture for motor control systems.
• Integrate peripherals such as ADCs, PWMs, timers, CAN, SPI, I2C, UART.
• Work closely with hardware engineers for board bring-up and troubleshooting.
• Create technical documentation including design specifications, test plans, and release notes.
• Ensure compliance with automotive or industrial standards (ISO 26262, MISRA C, IEC 61508).

Skills

C/C++

embedded RTOS

real-time programming

motor control

FOC SVPWM

ARM Cortex-M

JTAG/SWD

MISRA C

ISO 26262

MATLAB/Simulink

CAN

Ethernet

Education

Master's or Ph.D. in Electrical Engineering/Control Systems/Mechatronics

Tools

MATLAB/Simulink

JTAG/SWD

Oscilloscopes

Logic analyzers

Job description

Business Unit: EPS Mobility

Role: ESW Developer/Architect – MCU (Motor Control Unit)

Embedded Software Developer/Architect – MCU is responsible to design, develop, and optimize software for Motor Control Units used in electric drive systems. The ideal candidate will have strong expertise in embedded C/C++, motor control algorithms, power electronics, and real?time system development. This role involves working closely with hardware, firmware, and control engineering teams to deliver high?performance and reliable motor control software.

Key Responsibilities

• Design, develop, and optimize embedded software for Motor Control Units (MCU) using C/C++.
• Implement and refine motor control algorithms such as FOC (Field-Oriented Control), SVPWM, torque control, and other control techniques.
• Develop real?time control loops for BLDC, PMSM, or induction motors.
• Integrate software with microcontrollers, DSPs, and power electronics modules.
• Design modular, scalable software architecture for motor control systems.
• Integrate peripherals such as ADCs, PWMs, timers, CAN, SPI, I2C, UART.
• Work closely with hardware engineers for board bring?up and troubleshooting.
• Create technical documentation including design specifications, test plans, and release notes.
• Ensure compliance with automotive or industrial standards (e.g., ISO 26262, MISRA C, IEC 61508).

Qualifications

• Master's or Ph.D. in Electrical Engineering, Control Systems, Mechatronics, or related discipline.
• Bachelor's or Master's degree in Electrical Engineering, Electronics, Embed ? Bachelor's or Master's degree in Electrical Engineering, Electronics, Embedded Systems, Mechatronics, or related field.
• 3-10 years experience in embedded software development.
• Strong proficiency in C/C++, embedded RTOS, and real?time programming.
• Experience with motor control algorithms (FOC, SVPWM, PID tuning).
• Hands?on experience with ARM Cortex?M, TI C2000, NXP, or similar MCUs/DSPs.
• Proficient with debugging tools (JTAG/SWD, oscilloscopes, logic analyzers).
• Deep understanding of electric motors (BLDC, PMSM, Induction) and power electronics.
• Knowledge of ISO 26262 Functional Safety and experience designing ASIL C/D compliant algorithms.
• Experience with model-based design (e.g. MATLAB/Simulink).
• Familiarity with vehicle communication protocols (CAN, Ethernet etc.) and integration with vehicle control units.
• Solid understanding of state estimation, sensor fusion, and control theory.
• Experience with EV traction inverters, e-axle systems, or high-power motor drives.
• Exposure to HIL/SIL testing and embedded control hardware validation.
• Knowledge of regenerative braking, torque vectoring, and efficiency optimization techniques.
• Familiarity with AI/ML applications in motor control (predictive control, anomaly detection).
• Strong analytical and system-level thinking capabilities.
• Excellent communication and cross-functional collaboration skills.
• Leadership and mentoring ability for algorithm development teams.
• Passion for electrification, automotive innovation, and high-performance control systems.

L&T Company Overview / About Us

L&T is a USD 30 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, and Services, operating across multiple geographies. A strong, customer-focussed approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.

Given L&T's capability in strategic electronics and leveraging its foray into semiconductor design and well-established capabilities in L&T Technology Services, the business is expanding its offerings to cover industrial electronic modules, products and systems in critical sectors of Power Electronics, Automotive Electronics, Industrial Robotics & Automation, Communication Platforms and Electronic Systems Design & Manufacturing (ESDM). The focus products under Automotive Electronics are ADAS, Electrification & Connectivity related products.