Embedded Firmware Engineer – Bare-Metal C (BB38FT RM 4093)

Position: Embedded Firmware Engineer – Bare-Metal C (BB38FT RM 4093)

Job Summary
We are seeking a highly skilled Embedded Firmware Engineer with strong expertise in baremetal C development. The candidate will be responsible for developing low-level firmware, directly interacting with hardware components, and ensuring efficient, reliable, and real-time system behavior without reliance on an operating system.

Key Responsibilities

• Develop and maintain bare-metal firmware using C for microcontroller-based systems
• Perform register-level programming for peripherals such as GPIO, UART, SPI, I2C, Timers, ADC, and PWM
• Design and implement interrupt-driven systems and real-time functionality
• Develop and customize startup code, linker scripts, and memory layouts
• Analyze hardware schematics, datasheets, and reference manuals to implement features
• Debug and troubleshoot firmware issues using hardware debugging tools
• Optimize code for performance, memory footprint, and power efficiency
• Collaborate with hardware and system teams for board bring-up and integration

Required Skills & Competencies

• Programming Skills
  o Strong proficiency in Embedded C
  o Expertise in pointers, memory management, and bitwise operations
  o Experience with volatile keyword and hardware register access
• Hardware & Architecture
  o Solid understanding of microcontroller architectures such as ARM Cortex-M,RISC-V
  o Knowledge of boot sequence, exception handling, and interrupt architecture
• Embedded Systems & Peripherals
  o Hands-on experience with low-level peripheral programming
  o Strong understanding of interrupts, ISR handling, and timing constraints
  Familiarity with state machines and real-time system design
• Tools & Debugging
  o Experience with toolchains such as GNU Compiler Collection
  o Proficiency in debugging using JTAG / SWD
  o Experience with oscilloscopes / logic analyzers is a plus
• Memory & Build System
  o Understanding of memory layout (Flash, RAM, stack, heap)
  o Experience in linker scripts and start-up code development
  o Familiarity with Makefiles / CMake and cross-compilation

Good to Have

• Basic knowledge of assembly language
• Exposure to bootloaders and firmware update mechanisms
• Understanding of RTOS concepts (for comparison with bare-metal systems)

Soft Skills

• Strong problem-solving and debugging skills
• Ability to work independently and take ownership
• Effective communication and collaboration with cross-functional teams

Role Differentiation

• Mid-Level (3–5 Years)
  o Hands-on development of drivers and peripherals
  o Works with defined architecture and guidance
• Senior / Lead (5–8 Years)
  o Owns system design and architecture decisions
  o Leads bring-up, debugging, and optimization
  o Mentors junior engineers

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