Firmware Engineer

6 hours ago

Coimbatore, Tamil Nadu, India Client of Sanumas Solutions Full time ₹ 3,00,000 per year

Job Profile: Firmware Engineer (2+ Years Experience)

Department: R&D – Embedded Software / Firmware

Reports to: Embedded Team Lead / R&D Manager

Location: Coimbatore

Job Type: Full-time

Job Summary

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.

Key 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

Job Type: Full-time

Pay: ₹20, ₹25,000.00 per month

Benefits:

  • Provident Fund

Ability to commute/relocate:

  • Coimbatore, Tamil Nadu: Reliably commute or planning to relocate before starting work (Preferred)

Education:

  • Bachelor's (Preferred)

Experience:

  • Firmware Engineer : 2 years (Required)

Work Location: In person

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