--- title: 'Sr. Engineer - Applications Software -Zephyr at Ambiq Micro, Inc.' canonical: 'https://feeny.ai/job/sr-engineer-applications-software-zephyr-ambiq-micro-inc-hsinchu-city-6qte4gse5xm1' type: 'job' last_seen: '2026-11-07' --- # Sr. Engineer - Applications Software -Zephyr at Ambiq Micro, Inc. - **Company:** Ambiq Micro, Inc. - **Location:** Hsinchu City, Taiwan / Singapore - **Posted:** 2026-03-04 - **Last confirmed live:** 2026-11-07 - **Apply:** https://job-boards.greenhouse.io/ambiqmicroinc/jobs/4136498009 ## Job description 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. ## About Ambiq Micro, Inc. ## Company Overview - **One-liner**: Ambiq develops ultra-low-power semiconductor platforms and system-on-chip (SoC) solutions that enable edge AI on battery-powered devices. - **Entity Type**: Public (NYSE: $AMBQ, as of July 30, 2025) - **Headquarters**: Austin, Texas, USA (with offices in Hsinchu, Shenzhen, Shanghai, and Singapore) - **Founded**: 2010 - **Founders**: Dr. Scott Hanson (current CTO) ## Core Business - **Primary industry**: Semiconductor / Ultra-Low-Power Integrated Circuits / Edge AI Hardware - **Target customers**: B2B — OEMs and device manufacturers building wearables, smart glasses, smart home devices, healthcare monitors, industrial sensors, and IoT products - **Mission statement**: To enable intelligence (AI and beyond) everywhere by delivering the lowest-power semiconductor solutions on the planet. ## Products & Services - **SPOT® Platform**: Proprietary, patented Subthreshold Power Optimized Technology that operates below 1V, delivering a quadratic improvement in energy efficiency vs. traditional designs. This is the core differentiator enabling complex AI at the edge. - **Apollo SoC Family**: System-on-Chip solutions now in their 5th generation. Flagship products include Apollo510, Apollo510B, ApolloD Lite, and Apollo330M Plus. Designed for wearables, smart glasses, smart home, healthcare, and industrial use. - **Atomiq SoC Family**: Additional SoC offerings for edge AI applications. - **Real-Time Clock (RTC) Products**: Standalone ultra-low-power timing solutions. - **Developer Tools**: Evaluation boards, display kits, debugger tools, and accompanying software/AI developer solutions. ## Market Standing - **Valuation/Market Cap**: $1 billion valuation (pre-IPO); Market cap post-IPO not publicly disclosed in available sources. - **Key Metric**: Total funding of over $700 million raised prior to IPO; 290 million devices sold as of early 2026. - **Notable Investors/Partners**: Raised over $700M in capital; led by CEO Fumihide Esaka who previously led Transphorm and NIEC. Specific institutional investors not detailed in available materials. - **Growth Signals**: Went public on NYSE in July 2025; sold 290M devices (up from 270M at the start of 2025); won Embedded World Best in Show and AI Excellence Awards in 2025; IoT Semiconductor Company of the Year (3rd time). ## Competitive Advantages - **SPOT® Technology Moat**: Proprietary subthreshold operation below 1V provides a fundamental physics-based power advantage that competitors cannot easily replicate — a 10x power reduction vs. competing MCU solutions. - **Massive Installed Base**: 290 million devices shipped creates strong switching costs and ecosystem lock-in for customers. - **Edge AI Leadership**: Enables always-on AI inference on battery-powered devices where thermal and power constraints make traditional chips unusable. - **Patented Platform**: Extensive patent portfolio protecting the SPOT technology. ## Strategic Focus - **Edge AI Expansion**: Continuing to push larger and more complex AI models onto battery-powered edge devices. - **Market Diversification**: Growing beyond wearables into smart glasses, healthcare, smart home, and industrial IoT. - **Public Company Growth**: Leveraging IPO capital (July 2025) to scale R&D, sales, and global operations. - **Fifth-Generation SoCs**: Rolling out Apollo5 series with enhanced AI capabilities and broader customer adoption. ## Why Work Here - **Cutting-Edge Technology**: Work on the frontier of ultra-low-power semiconductor design and edge AI — a niche with massive growth potential. - **Collaborative Culture**: Company values emphasize innovation, collaboration, focus, learning, and achievement. Diverse, global team across Austin, Hsinchu, Shenzhen, Shanghai, and Singapore. - **Growth & Learning**: Mentorship programs, continuous learning opportunities, and clear career development paths. Strong emphasis on hiring for a "learning mindset." - **Benefits**: Medical, dental, vision, identity protection, 401K, and paid time off (varies by region). - **Work Environment**: Mix of on-site and remote roles (e.g., Field Application Engineer roles list "Remote Employee" for Central and West Coast US). 33 open positions as of mid-2026 across hardware design, software, AI, embedded systems, sales, and operations. - **Diversity & Inclusion**: Explicit commitment to creating an inclusive environment and hiring from diverse backgrounds. ## Sources 1. [ambiq.com](https://ambiq.com/) 2. [ambiq.com/about-us](https://www.ambiq.com/about-us/) 3. [ambiq.com/careers](https://ambiq.com/careers/) 4. [ir.ambiq.com](https://ir.ambiq.com/overview/default.aspx) 5. [job-boards.greenhouse.io/ambiqmicroinc](http://job-boards.greenhouse.io/ambiqmicroinc) ## Other roles at Ambiq Micro, Inc. - [Staff Engineer - Applications Software](https://feeny.ai/job/staff-engineer-applications-software-ambiq-micro-inc-austin-p3d78yf8xsc7) — Austin, TX - [Staff Engineer, DFT](https://feeny.ai/job/staff-engineer-dft-ambiq-micro-inc-austin-91679hdc3d1s) — Austin, TX - [Sales Manager](https://feeny.ai/job/sales-manager-ambiq-micro-inc-shenzhen-727g07s722n6) — Shenzhen, China - [Principal SoC RTL Engineer](https://feeny.ai/job/principal-soc-rtl-engineer-ambiq-micro-inc-austin-e8vywq86sygx) — Austin, TX - [Director of Physical Design](https://feeny.ai/job/director-of-physical-design-ambiq-micro-inc-austin-65sf1vexq6f2) — Austin, TX - [Senior Engineer, Product Test](https://feeny.ai/job/senior-engineer-product-test-ambiq-micro-inc-hsinchu-city-gx2pymyr4tz7) — Hsinchu City, Taiwan - [Embedded Software Intern](https://feeny.ai/job/embedded-software-intern-ambiq-micro-inc-singapore-3rer4em0zrdy) — Singapore - [Staff Embedded Graphics Software](https://feeny.ai/job/staff-embedded-graphics-software-ambiq-micro-inc-austin-91s15z46nssf) — Austin, TX - [Sr Staff Software Engineer - Power Management](https://feeny.ai/job/sr-staff-software-engineer-power-management-ambiq-micro-inc-austin-4avwj6hpnxgd) — Austin, TX - [Staff Engineer - System Test](https://feeny.ai/job/staff-engineer-system-test-ambiq-micro-inc-austin-ay3m3ksambp7) — Austin, TX