Sr. Engineer - Applications Software -Zephyr

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 Staff Applications Software Engineer, Zephyr at Ambiq, you will drive the development and testing of Ambiq’s Zephyr software offering. This includes porting new Ambiq SoCs to the Zephyr environment and enabling hardware evaluation platforms, staying up-to-date with the latest Zephyr developments and maintaining Ambiq SoC compliance, building new samples and drivers, and driving power optimizations to best showcase our ultra-low power technology.

This role will work within our Applications Engineering Team and will work closely with the global MCU software team.

The successful candidate should be a fast-learning, result-driven, and self-motivated team player with an “always learning” mindset. They should have an inquiring spirit and be comfortable in a lab environment and in executing hands-on debugging for embedded systems.

The person in this role will be responsible for leading Ambiq’s Zephyr software development and testing, coordinating with the global team to make improvements and fix customer issues, and representing Ambiq to the Zephyr technical steering committee and community with the help of Ambiq engineers and subject matter experts.

Responsibilities

• Lead the development, testing, and maintenance of Ambiq’s Zephyr offering, including sample, driver, and software testcase development, as well as hardware enablement.
• Take a key role in Ambiq Zephyr repository processes and maintenance, including CI/CD.
• Manage Ambiq Zephyr issue status tracking, debug, and resolution.
• Collaborate with internal engineering teams to analyze and debug complex system level issues and develop software solutions.
• Focus on demonstrating Ambiq’s low-power advantages to the greatest extent possible within the Zephyr ecosystem.
• Create application notes and software guidelines.
• Support applications and field engineers, and key customers as needed.

Qualifications

• MS in ECE or Computer Science and 6+ years of experience or BS ECE/CS with 8+ years of experience, with at least 3 years focusing on the Zephyr ecosystem;
• Experience with ARM Cortex-M processors.
• Deep understanding of Zephyr RTOS required.
• Experience with developing embedded MCU code in C and assembly language on Arm Cortex-M Processors;
• Experience working with MCU peripherals including SPI, I2C, UART, and USB.
• Experience with at least one MCU IDE from ARM, Keil, IAR, Eclipse, Ozone or other;
• Experience with security, Bluetooth, Matter/Thread, and/or machine learning models within the Zephyr ecosystem is a real plus.
• Good hands-on experience on lab equipment such as oscilloscopes, logic analyzers etc. for debugging issues;
• Experience with Jira, Confluence and collaboration tools;
• Experience with source code control systems (git) required;
• Understanding of software testing and test automation principles;
• Excellent problem-solving skills dealing with complex system level issues related to HW/SW debug;
• Experience with scripting languages required and python experience is specifically desirable;
• Strong communication and documentation skills.