Firmware Engineer

1 week ago

Coimbatore, Tamil Nadu, India Sanumas Solutions Full time ₹ 9,00,000 - ₹ 12,00,000 per year

Client:

PCB Designers & Manufacturers

Location:

NSN Palayam, Coimbatore, Tamil Nadu, India

Experience:

2+ Yrs

Salary:

NEGOTIABLE

Title:

Firmware Engineer

The role is responsible for hands-on coding, debugging, hardware coordination, and developing new firmware concepts. You will work closely with the hardware, validation, and production teams to ensure the smooth functioning and reliability of the product.

Job Responsibilities:


Firmware Development

  • Develop firmware in Embedded C for 8/16/32-bit microcontrollers (e.g. PIC, Nuvotonetc..)

  • Interface with hardware peripherals: GPIO, ADC, PWM, Timers, UART, I2C, SPI, etc.

  • Implement communication protocols and control logic

  • Write modular and well-documented code using best practices

  • Use version control for firmware


New Concept / Feature Development

  • Support development of new product features and prototypes

  • Create proof-of-concept firmware for early-stage idea validation

  • Collaborate with team during features planning

  • Suggest improvements based on real-world application needs


Testing & Debugging

  • Perform unit-level and integration testing of firmware modules

  • Use tools like oscilloscope, logic analyzer, UART terminals, and IDE debuggers (e.g., MPLAB, Keil)

  • Assist validation team in real-time testing and application simulation

  • Identify and resolve firmware bugs and performance issues

  • Support hardware-firmware integration testing

Hardware Coordination

  • Understand hardware schematics, pinouts, and datasheets

  • Work closely with hardware engineers during initial Board power ON

  • Identify whether an issue is firmware-related or hardware-related

  • Ensure correct peripheral configurations and timing


Documentation & Release

  • Create documentation: flowcharts

  • Maintain firmware version history and release notes

  • Participate in design reviews and code walkthroughs

  • Provide firmware loading guides for production/QA teams


Failure Analysis & Support

  • Support field testing and production debug

  • Assist in Root Cause Analysis (RCA) of software-related failures

  • Implement firmware corrections and validate fixes

  • Provide debug logs, issue reports, and traceability support for CAPA

Skills Required

Technical Skills

  • Proficient in Embedded C programming

  • Strong understanding of microcontroller internals

  • Experience with MCUs like STM32, PIC, Atmel, etc.

  • Hands-on with communication protocols: UART, I2C, SPI, Modbus, etc.

  • Debugging using IDE tools, serial logs, and lab instruments

  • Familiarity with interrupt handling, timers, watchdogs, and low-power modes

  • Structured and maintainable coding style

  • Strong debugging and analytical skills

  • Good communication and documentation habits

  • Team-oriented with a proactive learning attitude

Contact:

Sandeep Sathyan - HR Consultant @

Voice & Whatsapp)

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