Senior Engineer - Software Radio

AMBIQ MICRO SINGAPORE PRIVATE LTD; Singapore; On-site; SGD 100,000 - 125,000; Full time

Job summary

A leading semiconductor company in Singapore is seeking a Radio Software Engineer to develop wireless software solutions for the Apollo Blue family. The ideal candidate will have over 5 years of experience with 802.15.4 technology, including Zigbee and Thread, and be skilled in low level software debugging. You will work collaboratively across teams, focusing on implementing new features while ensuring high-quality software through testing and optimization. This role emphasizes strong communication skills and a deep understanding of embedded systems.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering or related field.
• 5+ years of experience with 802.15.4 technology.
• Experience debugging Zigbee or Thread software using sniffer tools.

Responsibilities

• Develop wireless software solutions.
• Perform code review, optimization, and bug fixing.
• Assist in customer development issue support.

Skills

802.15.4 technology

Zigbee

Thread

Low level software debugging

Communication skills

Education

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

Tools

GDB

JTAG

Sniffer tools

Protocol analyzers

Zephyr

Job description

Description

Ambiq's mission is to develop the lowest-power semiconductor solutions to enable intelligent devices everywhere by developing the lowest-power semiconductor solutions to drive a more energy-efficient, sustainable, and data-driven world. Ambiq has helped leading manufacturers worldwide develop products that last weeks on a single charge (rather than days), while delivering a maximum feature set in compact industrial designs. Ambiq's goal is to take Artificial Intelligence (AI) where it has never gone before in mobile and portable devices, using Ambiq's advanced ultra-low power system on chip (SoC) solutions. Ambiq has shipped more than million units by 2024. For more information, visit www.ambiq.com.

Our innovative and fast-moving teams of research, development, production, marketing, sales, and operations are spread across several continents, including the US (Austin and San Jose), Taiwan (Hsinchu), China (Shenzhen and Shanghai), Japan (Tokyo), and Singapore. We value continued technology innovation, fanatical attention to customer needs, collaborative decision-making, and enthusiasm for energy efficiency. We embrace candidates who also share these same values. The successful candidate must be self-motivated, creative, and comfortable learning and driving exciting new technologies. We encourage and nurture an environment for growth and opportunities to work on complex, engaging, and challenging projects that will create a lasting impact. Join us on our quest for 100 billion devices. The endpoint intelligence revolution starts here.

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.