Firmware Engineer

AZTECH TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

AZTECH TECHNOLOGIES PTE. LTD. seeks a Firmware Engineer to design, develop, and troubleshoot embedded firmware for wireless and IoT products. You will work closely with hardware engineers to ensure smooth integration and testing across multiple interfaces.

The ideal candidate has strong C/C++ skills for embedded systems, experience with embedded Linux, and familiarity with Wi-Fi, Zigbee, Bluetooth, and IoT concepts. A hands-on, problem‑solving mindset is essential.

Qualifications

• Diploma or degree in Electronic Engineering or Computer Science required.
• Solid programming skills in C/C++ for embedded systems.
• Experience with embedded Linux and drivers.
• Familiar with wireless protocols and IoT concepts.
• Hands-on with ARM-M/ARM-A architectures and firmware updates.

Responsibilities

• Design, develop, and troubleshoot embedded firmware for wireless and IoT products.
• Develop drivers and validate firmware across UART, SPI, I2C, USB, and other interfaces.
• Collaborate with hardware engineers for integration, testing, and validation.
• Implement bootloaders and firmware update solutions.
• Provide technical support to internal teams and customers.

Skills

C/C++ programming

Embedded systems

Embedded Linux

Arm architectures

TCP/IP/ BLE/ USB

Education

Diploma/Degree in Electronic Engineering or Computer Science

Tools

Broadcom SDK

Qualcomm SDK

MTK SDK

Sigma SDK

Job description

Firmware Engineer

We're looking for a passionate Firmware Engineer to join our team! In this role, you'll design and develop firmware for networking and IoT products, working with technologies like Wi‑Fi, Zigbee, Bluetooth, and Wi‑SUN. You'll collaborate closely with our hardware engineers to ensure smooth integration and testing, while also supporting our sales, manufacturing, and customer teams. If you love problem‑solving and building reliable systems, we'd love to meet you.

What You’ll Do

• Design, develop, and troubleshoot embedded firmware for wireless and IoT products
• Add new features and optimize existing firmware for better performance
• Work with hardware engineers on integration, validation, and testing
• Develop drivers for UART, SPI, I²C, USB, and other protocols
• Implement bootloaders and firmware update solutions
• Provide technical support to internal teams and customers

What We’re Looking For

• Diploma/Degree in Electronic Engineering, Computer Science, or a related field
• Strong programming skills in C/C++ for embedded systems
• Experience with embedded Linux (drivers, kernel builds, etc.)
• Knowledge of wireless protocols (Wi‑Fi, Zigbee, Bluetooth, Wi‑SUN), IoT, or LED lighting
• Familiarity with SDKs from Broadcom, Qualcomm, MTK, or Sigma (advantage)
• Hands‑on experience with ARM‑M / ARM‑A architectures, bootloaders, and firmware updates
• Understanding of TCP/IP, BLE, USB, Wi‑Fi, and serial communications
• Organized, detail‑oriented, and motivated team player with strong problem-solving skills