MODULE LEAD - Firmware

Happiest Minds Technologies; Bengaluru; On-site; INR 2,800,000 - 4,500,000; Full time

Job summary

Happiest Minds Technologies seeks a Senior Embedded Software Engineer to develop bare-metal C drivers and software stacks for real-time control SoCs used in automotive and industrial applications. You will drive benchmarking, validation, and system-level debugging across FPGA bring-up and pre-silicon phases.

The role emphasizes performance optimization, low-overhead APIs, and writing automated test frameworks. Collaboration across hardware and software teams is essential.

Qualifications

• Bachelor's or Master's degree in Computer Engineering / Electrical Engineering / Electronics & Communication / Embedded Systems.
• Strong Embedded C programming and bare-metal firmware experience.
• Experience with interrupts, timers, DMA, memory-mapped peripherals.
• Familiarity with debugging tools: JTAG, GDB, logic analyzers, oscilloscopes.
• Experience with Git and build automation.

Responsibilities

• Design, implement, and maintain bare-metal C drivers and HALs for real-time control peripherals.
• Benchmark and characterize latency, throughput, and determinism.
• Develop validation plans and automated firmware regression suites.
• Support FPGA bring-up and pre-silicon verification.
• Create benchmark suites and performance recommendations.
• Drive root-cause analysis of issues.

Skills

Strong Embedded C programming

Bare-metal firmware development

Interrupts

DMA

Timers

Register-level programming

Git

Build systems

Education

Bachelor's or Master's degree in Computer Engineering / Electrical Engineering / Electronics & Communication / Embedded Systems

Tools

JTAG/GDB debugging tools

Logic analyzers

Oscilloscopes

QEMU/VDK

Git

Job description

Senior Engineer Embedded Software (Real-Time Control Drivers, Benchmarking & Validation)

About the Role

We are seeking a highly motivated Senior Embedded Software Engineer to help develop the foundational software stack for next-generation real-time control SoCs used in automotive, industrial automation, robotics, motor control, and digital power applications.

In this role, you will develop bare-metal C drivers and software frameworks for high-performance control peripherals and accelerators. You will work on driver design, performance benchmarking, validation, FPGA bring-up support, and software quality initiatives. The ideal candidate combines deep embedded software expertise with strong hardware understanding and a passion for performance optimization and system-level debugging.

Key Responsibilities

Driver Development

• Design, implement, and maintain bare-metal C drivers and HALs for real-time control peripherals and accelerators.
• ADCs
• PWMs
• DACs
• DMA engines
• Timers
• Interrupt controllers
• Encoder / Resolver interfaces
• Safety and monitoring peripherals
• Custom hardware accelerators
• Define clean, scalable, and low-overhead APIs.
• Produce high-quality design documentation, software specifications, and implementation guidelines

Benchmarking & Performance Characterization

• Create micro-benchmarks and application-level benchmarks.
• Measure and optimize:
  • Interrupt latency
  • Peripheral access latency
  • DMA throughput
  • Memory subsystem performance
  • Deterministic execution
  • Real-time control loop performance
• Analyze CPU utilization, throughput, jitter, and latency bottlenecks.
• Generate benchmarking reports and performance recommendations.

Develop comprehensive validation plans for software and hardware features.

Write automated test frameworks and regression suites

• Drive root-cause analysis and resolution of functional and performance issues.
• Validate functionality using:
  • Virtual simulation platforms like QEMU/VDK
  • FPGA prototypes
  • Silicon Processor

Required Qualifications

Education

• Bachelor's or Master's degree in:
  • Computer Engineering
  • Electrical Engineering
  • Electronics & Communication
  • Embedded Systems

Technical Skills

• Strong Embedded C programming skill, bare-metal firmware development
• Strong understanding of microcontroller architectures.
• Deep knowledge of:
  • Interrupts
  • Timers
  • DMA
  • Memory-mapped peripherals
  • Register-level programming
  • Experience with debugging tools: JTAG, GDB, Logic analyzers, Oscilloscopes
• Experience with Git and collaborative software development.
• Familiarity with build systems and automation.

Embedded Systems Knowledge

• MCU architectures (ARM Cortex-M, RISC-V, or equivalent).

Preferred Qualifications

• Experience with:
  • Field-Oriented Control (FOC)
  • Digital Power
  • Robotics control
• Experience with Arm/RISC-V architectures.
• Experience developing SDKs and software frameworks.
• FPGA validation and pre-silicon verification experience.
• Experience creating benchmark suites and performance characterization frameworks.

Project Delivery expectations

• Deliver production-quality drivers for critical real-time control IPs.
• Establish benchmark suites for latency, throughput, and determinism analysis.
• Create automated firmware validation infrastructure for pre-silicon and FPGA environments.
• Contribute significantly to first-pass silicon success by identifying and resolving software, integration, and performance issues early.

Ideal Candidate Profile

This role is ideal for an engineer who enjoys working close to the hardware, can read register maps and architecture specifications, writes efficient bare-metal C code, and is comfortable moving between driver development, benchmarking, system validation, and silicon bring-up.