Senior Firmware Engineer

1 week ago

Singapur, Singapore KLASS ENGINEERING & SOLUTIONS PTE. LTD. Full time

Responsibilities

Firmware & Embedded Software Development

  • Design, develop, and optimize embedded firmware in C/C++ for microcontrollers and SoCs.
  • Implement and maintain drivers for various peripheral components (e.g., sensors, actuators, radios).
  • Integrate hardware interfaces including SPI, UART, I2C, GPIO, PWM, and ADC.
  • Work within embedded frameworks such as Zephyr RTOS, FreeRTOS , and TensorFlow Lite Micro .
  • Conduct unit, integration, and system-level testing to validate embedded software performance and stability.

Hardware & Systems Integration

  • Collaborate in system architecture design for embedded solutions to meet functional requirements.
  • Review and contribute to schematic designs for embedded subsystems; troubleshoot based on circuit diagrams and datasheets.
  • Support debugging of hardware-firmware interactions using tools such as oscilloscopes, logic analyzers, and debuggers (e.g., JTAG/SWD).

Prototyping & Fabrication

  • Support rapid prototyping and iteration of IoT devices with in-lab fabrication tools.
  • Validate hardware designs by running firmware integration tests in early development cycles.

Collaboration & Documentation

  • Collaborate with cross-functional teams including cloud/backend, mobile app, and hardware design engineers.
  • Document firmware architecture, configuration settings, communication protocols, and deployment processes.
  • Mentor junior engineers and contribute to improving team development standards and workflows.
Requirements

Education

  • Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Embedded Systems, or a related field.

Experience

  • Hands-on experience in embedded firmware development.
  • Strong programming proficiency in C/C++ for resource-constrained environments such as microcontrollers.
  • Demonstrated experience with hardware interfaces and embedded communication protocols.
  • Hands-on experience with firmware debugging and testing tools (e.g., GDB, serial consoles, logic analyzers).
  • Experience using schematic diagrams to identify signal paths, interface connections, and potential hardware faults during embedded development.

Additional Qualifications

  • Excellent problem-solving skills with a strong attention to detail.
  • Ability to work independently as well as collaboratively in a fast-paced environment.
  • Strong verbal and written communication skills, with the ability to document and present technical information clearly.

Good to have

  • Experience with RTOS, low-power system design, and wireless communication stacks (BLE, Wi-Fi, LoRaWAN, etc.).
  • Comfortable with end-to-end PCB development — from schematic to fabrication and bench testing.
  • Exposure to edge ML, MQTT/CoAP protocols, or cloud integrations (AWS IoT, Azure IoT Hub, etc.).
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