Sr Software Engineer - Radio

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Singapore, SGP
In-Office
Senior level
Hardware • Internet of Things • Software • Wearables • Semiconductor
Join the Team Powering the Future of Edge AI
The Role
Design, implement, and debug Bluetooth radio firmware for the Apollo Blue family. Develop features, optimize performance and power, write tests, support FAEs, triage validation issues, produce technical documentation, and collaborate cross-functionally to integrate wireless components.
Summary Generated by Built In

Company Overview

Ambiq is on a mission to enable intelligence everywhere — powering the AI edge revolution with the world's lowest-power semiconductor solutions.

Built on our proprietary sub- and near-threshold technology, our chips deliver multi-fold improvements in energy efficiency without costly process scaling. Since 2010, we've shipped over 300 million units to customers building smarter wearables, medical devices, IoT products, and AI-powered edge applications.

Our cross-functional teams span design, research, development, production, marketing, sales, and operations across Austin, Hsinchu, Shanghai, Shenzhen, and Singapore. We move fast, tackle hard problems, and create space for people to grow through complex, meaningful work that shapes the future of technology.

We're looking for self-motivated, creative problem-solvers who are eager to push technological limits and make a real impact in energy efficiency.

At Ambiq, we live by five values: Innovate. Collaborate. Focus. Learn. Achieve.

If that's you, join us — the intelligence everywhere revolution starts here.


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 withdifferent 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 Bluetooth technology , 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. 

Qualifications 
  • Bachelor’s or Master’s degree in Computer Science, Electrical Engineering or related field. 
  • 5+ years of experience with Bluetooth/BLE wireless technology, including Bluetooth Software debugging experience with Bluetooth sniffer tools and protocol analyzers.  
  • Experience with Bluetooth host (open or closed source) stacks and profiles and Bluetooth audio (e.g. HFP, A2DP, LE audio) 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 other short-range wireless technologies including Zigbee or Thread are a plus. 
  • Strong communication skills; excellent technical communication with peers. 

 

Skills Required

  • Bachelor's or Master's degree in Computer Science, Electrical Engineering, or related field
  • 5+ years of experience with Bluetooth/BLE wireless technology
  • Bluetooth software debugging experience with sniffer tools and protocol analyzers
  • Experience with Bluetooth host stacks and profiles; Bluetooth audio (HFP, A2DP, LE audio)
  • Familiarity with engineering best practices: git, unit tests, and continuous integration
  • Proficient low-level software debugging using GDB, emulators, and JTAG
  • Expert knowledge in performance and power optimization
  • Experience with Zephyr RTOS
  • Experience with peripheral protocols: I2C, I2S, MSPI, UART, PDM, TDM
  • Experience with Zigbee or Thread
  • Strong technical communication skills
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The Company
HQ: Austin, Texas
220 Employees
Year Founded: 2010

What We Do

Ambiq® enables intelligence (AI and beyond) everywhere by delivering the lowest-power semiconductor solutions for battery-powered edge devices. As a pioneer in ultra-low power SoCs, Ambiq empowers wearables, IoT, smart home, healthcare, and industrial products with always-on, energy-efficient intelligence. Backed by our SPOT® technology and global innovation leadership, Ambiq is shaping the future of edge AI.

Why Work With Us

Direct influence on silicon architecture Smaller, high-impact teams Hardware/software co-design in real time Faster technical decision cycles Visible ownership at Staff & Director level Austin-based collaboration culture

Ambiq Offices

OnSite Workspace

Building silicon and embedded AI systems requires tight collaboration across firmware, hardware, validation, and architecture teams. We believe the hardest engineering problems are solved through direct, daily collaboration.

Typical time on-site:
HQAustin, Texas
Taiwan
China
Singapore
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