Senior Engineer - Radio Software

Ambiq Micro, Inc.; Singapore; On-site; SGD 100,000 - 125,000; Full time

Job summary

A leading semiconductor solutions provider in Singapore is seeking a Radio Software Engineer to drive wireless software development for innovative solutions. The successful candidate will have over 5 years of experience with 802.15.4 technology, including strong debugging skills with Zigbee or Thread. This role emphasizes collaboration with cross-functional teams, code optimization, and a commitment to energy efficiency. Candidates must hold a relevant degree and possess strong communication skills. Join us to shape the future of technology.

Qualifications

• 5+ years in wireless software development with specific technology experience.
• Experience with Zigbee and Thread.
• Strong debugging skills and familiarity with engineering best practices.

Responsibilities

• Develop and implement wireless solutions with new feature development.
• Perform code reviews and bug fixing.
• Collaborate with teams to support customer development issues.

Skills

802.15.4 technology

Zigbee software debugging

Thread

Low-level software debugging GDB

Engineering best practices (git, unit-testing)

Communication skills

Education

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

Tools

Sniffer tools

Logic analyzers

Zephyr

Job description

Ambiq's mission is to enable intelligence everywhere by delivering the lowest power semiconductor solutions. Ambiq is a pioneer and a leading provider of ultra‑low‑power semiconductor solutions based on our proprietary and patented sub‑ and near‑threshold technologies. With the increasing power requirements of artificial intelligence (AI) computing, our customers rely on our solutions to deliver AI to edge environments. Our hardware and software innovations fundamentally deliver a multi‑fold improvement in power consumption over traditional semiconductor designs without expensive process geometry scaling. We began in 2010 by addressing the power consumption challenges of battery‑powered devices at the edge, where they were most pronounced. As of the beginning of 2025, we have shipped more than 280 million units worldwide.

Our innovative and fast‐moving teams of design, research, development, production, marketing, sales, and operations are spread across several continents, including the US (Austin), Taiwan (Hsinchu), China (Shanghai and Shenzhen), and Singapore. We value relentless technology innovation, deep commitment to customer success, collaborative problem‑solving, and an enthusiastic pursuit of energy efficiency. We embrace candidates who share these values. The successful candidate must be self‑motivated, creative, and comfortable learning and driving exciting new technologies. We encourage and nurture an environment that fosters growth and opportunities to work on complex, meaningful, and challenging projects, creating a lasting impact and shaping the future of technology. Join us on our quest for enabling billions of intelligent devices. The intelligence everywhere revolution starts here.

This role can be in Singapore or Taiwan.

Scope

As the Radio Software Engineer at Ambiq, you will drive the wireless software development for the Apollo Blue family, developing wireless software solutions (implement specifications, design software, and perform unit tests). Your responsibilities will include working with cross‑functional teams to integrate and debug wireless components on the company’s platform, performing code review, code optimization, refactoring, bug hunting, and bug fixing.

The successful candidate must be intimately familiar with Thread, have extensive experience developing deeply embedded applications for wireless silicon, and be skilled at analyzing RF firmware issues using air sniffers, logic analyzers, etc. You will be responsible for scoping software development work, task delegation, identifying resource/technical gaps, and taking initiative to tackle challenging technical issues by collaborating with other teams. You will also write technical documents, including white papers, architecture diagrams, and module‑and‑API descriptions.

Responsibilities

• Develop wireless solutions and implement new feature development.
• Perform code review, code optimization, refactoring, bug hunting, and bug fixing.
• Assist the 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.
• Collaborate with validation and system test teams to triage issues and communicate 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.
• Experience with Bluetooth/BLE or RF tuning/calibration is a plus.
• Strong communication skills; excellent technical communication with peers.

What You Need

We're seeking passionate technologists who thrive on pushing boundaries, solving complex challenges, and driving transformative solutions. At Ambiq, you'll collaborate with a dynamic team that values relentless innovation, customer‑centric thinking, and continuous learning. If you're a self‑motivated, creative problem‑solver eager to push technological limits and make a meaningful impact in energy efficiency, this is your opportunity to grow, excel, and turn groundbreaking ideas into reality.

Ambiq Shared Values

• Innovate: We tenaciously find ways to break down the barriers to possible solutions.
• Collaborate: We proactively communicate and encourage each other to be better.
• Focus: We keep the voice of the customer at the center of everything we do.
• Learn: We strive for continuous improvement and are always curious.
• Achieve: We execute on quality and follow through on our commitments.