Firmware Engineer

AZTECH TECHNOLOGIES PTE LTD; Singapore; On-site; SGD 55,000 - 85,000; Full time

Job summary

AZTECH TECHNOLOGIES PTE LTD is seeking a Firmware Engineer to design and develop firmware for networking and IoT products. You will collaborate with hardware engineers to ensure smooth integration and testing, while supporting sales, manufacturing, and customer teams.

You will work on designing firmware for wireless technologies, developing drivers, and implementing bootloaders and firmware update solutions, contributing to robust, reliable systems.

Qualifications

• Diploma/Degree in Electronic Engineering, Computer Science, or 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.
• Hands-on experience with ARM-M / ARM-A architectures, bootloaders, and firmware updates.

Responsibilities

• 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.

Skills

C/C++ for embedded

Embedded Linux

Wireless protocols

ARM architectures

TCP/IP/Serial

Education

Diploma/Degree in Electronic Engineering or Computer Science

Tools

Broadcom SDK

Qualcomm SDK

MTK SDK

Sigma SDK

Job description

Firmware Engineer

About the Role

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