Embedded Software Engineer

microcontroller-based and RF-enabled products

Key Responsibilities:

• Own end-to-end development of embedded software features and subsystems:

  requirements design implementation debugging validation release

  .
• Collaborate with

  hardware, RF, and testing teams

  to ensure seamless HWSW integration.
• Develop reliable, maintainable, and scalable firmware architectures for real-time systems.
  
• Debug complex system-level issues across firmware, hardware, and communication layers.
  
• Support board bring-up, validation, and production readiness activities.
  

Core Technical Skills:

• Strong proficiency in

  Embedded C

  (C++ preferred) with

  low-level, register-level programming

  .
• Hands-on experience with

  32-bit microcontrollers

  , including:

• ESP32 (Espressif)

• STM32 (STMicroelectronics)

• Nordic Semiconductor (nRF series)

• In-depth understanding of

  MCU internals

  : clocking, power modes, interrupts, memory architecture, boot flow.
• Experience with

  RTOS

  such as

  FreeRTOS, Zephyr, ThreadX

  , including:
• Tasks/threads, scheduling
  
• Synchronization primitives
  
• Timers, queues, ISRs
  
• Dynamic and static memory management
  
• Strong grasp of

  embedded software architecture

  :
• State machines
  
• Modular driver design
  
• HAL/LL abstraction layers
  
• Clean interface and API design
  

Peripherals & Communication

• Practical experience with MCU peripherals:
  

• GPIO, Timers, Watchdog, ADC, DAC, PWM

• Strong experience with communication protocols:
  

• I2C, SPI, UART/USART

• CAN, USB, Ethernet

  (as applicable)
• Ability to develop, extend, and debug

  peripheral drivers and middleware

  .
• Experience integrating protocol stacks such as

  Modbus, CANopen

  , or

  custom binary protocols

  .

RF / Wireless & Connectivity

• Working knowledge of

  RF fundamentals

  : link budget basics, modulation, interference, coexistence.
• Experience with one or more wireless technologies:
  

• BLE / BLE Mesh (Nordic, ESP32)

• Wi-Fi (ESP32)

• Sub-GHz

• Thread / Zigbee

• Proprietary

  2.4 GHz

  solutions
• Experience integrating

  RF modules

  , configuring protocol stacks, and supporting antenna interfaces as per hardware design.

Board & Hardware Interaction

• Ability to read and understand

  schematics and datasheets

  .
• Knowledge of

  power, reset, clocking, and interface circuits

  .
• Experience with

  board bring-up

  , including:
• Flashing and debugging new boards
  
• Verifying basic peripherals (LEDs, buttons, UART, ADC)
  
• Identifying and resolving HW–SW interaction issues
  
• Familiarity with hardware debug tools:
  

• Oscilloscopes, logic analyzers, multimeters, protocol analyzers

System Software & Development Tools

• Experience with

  build systems and toolchains

  :

• CMake, Make, GCC/Clang

• ESP-IDF, STM32CubeIDE, Nordic SDK

• Strong knowledge of

  Git

  , branching strategies, and code review practices.
• Debugging experience using

  JTAG/SWD

  , breakpoints, watchpoints, register and memory inspection.
• Familiarity with

  Kconfig

  ,

  device tree

  , or similar configuration mechanisms is a plus.

Design, Quality & Reliability

• Translate system and product requirements into

  robust embedded software designs

  .
• Experience with

  unit testing, integration testing

  , and basic

  test automation

  on target hardware.
• Awareness of

  reliability best practices

  : defensive coding, error handling, timeout mechanisms, fail-safe behavior.
• Strong understanding of

  real-time constraints

  , latency, and

  RAM/Flash/CPU optimization

  .