Senior Engineer - Radio Software

AMBIQ MICRO SINGAPORE PRIVATE LTD.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading semiconductor firm in Singapore is seeking an experienced Radio Software Engineer to drive the development of wireless software solutions for their innovative products. This role requires familiarity with 802.15.4 technology such as Zigbee or Thread, along with strong debugging skills to troubleshoot embedded applications. Candidates should possess at least 5 years of relevant experience and hold a degree in Computer Science or Electrical Engineering. The successful applicant will be responsible for developing new features, conducting code reviews, and ensuring optimal performance and power efficiency.

Qualifications

• 5+ years of experience in wireless application development.
• Extensive experience debugging software with sniffer tools.
• Expertise in performance and power optimization.

Responsibilities

• Develop and implement new wireless solutions.
• Assist in customer development issue support.
• Produce various types of tests and automate where beneficial.

Skills

802.15.4 technology experience (Zigbee or Thread)

Low-level software debugging (GDB, JTAG)

RF firmware analysis

Code optimization and refactoring

Communication skills

Education

Bachelor’s or Master’s degree in Computer Science or Electrical Engineering

Tools

Bluetooth/BLE analysis tools

Sniffer tools

Zephyr

Job description

Scope

As the Radio software engineer at Ambiq, you will drive the wireless software development for the Apollo Blue family, develop wireless software solutions (implement specification, design software, and unit test). This role will work with different cross functional teams to integrate and debug wireless components on the company’s platform. Perform code review, code optimization, refactoring, bug hunting, and bug fixing.

The successful candidate must be intimately familiar with open-thread, have extensive experience in developing deeply embedded applications for wireless silicon and good at analyzing RF, firmware issues using air sniffer, logic analyzer, etc. The person in this role will be responsible for scoping software development work, task delegation, identifying resource/technical gaps, and taking initiative to tackle challenging technical issues by getting support from across teams. Write technical documents, including white papers, architecture diagrams, module and API description

Responsibilities

• Develop wireless solution, and implement new features development.
• Perform code review, code optimization, refactoring, bug hunting, and bug fixing.
• Assist FAE team in customer development issue support.
• Produce unit, functional, integration and interoperability tests, including automating tests when advantageous.
• Work with Product Planning Team to understand system requirements.
• Work with validation and system test teams to triage issues and assist in communicating the status of open issues to management.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering or related field.
• 5+ years of experience with 802.15.4 technology, including Zigbee or Thread software debugging experience with sniffer tools and protocol analyzers.
• Experience with Zigbee or Thread is highly desired.
• Familiar with engineering best practices: git version control, unit-tests, and continuous integration.
• Fluent in low level software debugging skills using GDB, emulators, JTAG, and more.
• Expert knowledge on performance and power optimization.
• Experience with Zephyr.
• Peripheral protocols: I2C, I2S, MSPI, UART, PDM, TDM, etc.
• Experience with Bluetooth/BLE or RF tunning/calibration are a plus.
• Strong communication skills; excellent technical communication with peers.