Staff Applications Software Engineer

ambiqmicroinc; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Ambiq is seeking a Staff Applications Software Engineer to support Apollo/Atomiq SoCs. You will work with hardware/software teams to develop drivers, HAL updates, and Zephyr enablement, and assist field engineering with customer issues.

The ideal candidate has 6+ years in embedded MCU development in C, RTOS experience, and hands-on lab work, with familiarity in peripherals like SPI, I2C, UART, USB, and Bluetooth. Excellent communication is essential.

Qualifications

• MS in ECE or CS with 6+ years or BS in ECE/CS with 8+ years.
• Proficient in embedded C and MCU programming.
• Experience with RTOS and Cortex-M MCUs.
• Familiarity with Zephyr, MCU IDEs, and peripheral interfaces (SPI, I2C, UART, USB).

Responsibilities

• Design, debug, port, and analyze embedded software drivers and HALs.
• Collaborate with HW and SW teams to resolve complex system issues.
• Create application notes and software design guidelines.
• Support field engineering with customer issues and documentation.

Skills

Embedded C

Real-time OS

Troubleshooting

BLE

Zigbee/Thread

Lab work

Git

Python

Problem solving

AI tools (Cursor/Codex)

Education

MS in ECE or CS

BS in ECE/CS

Tools

Zephyr

MCU IDEs (ARM/Keil/IAR/SEGGER)

Git

Python

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 at Ambiq , you will be responsible for supporting Ambiq's Apollo and Atomiq families of SoCs.

This role will work with our hardware and software development teams, field engineering team, and customers to develop software, including example applications for Ambiq and customer evaluation hardware, device drivers, HAL updates, and Zephyr enablement. In addition, the Software Engineer will debug device level software issues, support field engineering with customer issues, and help create customer-facing documentation such as application notes and software design guidelines.

The successful candidate should have a strong understanding of embedded development on Cortex-M MCUs, bare-metal and real-time operating systems, and be familiar with debugging the same . They must possess strong written and oral communication skills.

The person in this role will be responsible for supporting Ambiq's field engineering team and customers, coordinating with the global team to make improvements and fix customer issues, and extending Ambiq's offerings with new software examples, application notes, and software design guidelines.

Responsibilities

• Design, debug, porting, and analysis of embedded microcontroller software drivers, algorithms, application code, board support packages, automated scripts, and design test cases to provide the required functionality to end customers.
• Collaborate with internal development teams to analyze and debug complex system level issues and develop software solutions.
• Create application notes, knowledgebase articles, and software design guidelines.
• Assist customers with the use of the Ambiq SDK s and hardware platforms.
• Collaborate with hardware engineering in the architecture and design of hardware evaluation platforms, provide software for test and debug of hardware evaluation platforms.
• Develop custom software functions and applications to facilitate microcontroller performance analysis and silicon issue debug.
• Bridge the communication between field and engineering teams for field issues and manage issue status tracking.

Qualifications

• MS in ECE or Computer Science and 6+ years of experience or BS in ECE/CS with 8+ years of experience.
• Experience developing embedded MCU code in C required.
• Experience with embedded systems in real-time environments.
• Experience with Zephyr is a plus.
• Experience with at least one MCU IDE from ARM, Keil, IAR, SEGGER, or other.
• Familiarity with MCU peripherals including SPI, I2C, UART, ADC, USB, I2S and PDM. MIPI and USB are a plus.
• Experience with Bluetooth and Bluetooth Low Energy.
• Experience with short-range technologies including Zigbee and Thread are a plus.
• Experience working hands-on in the lab.
• Familiarity with source code control systems (git) required.
• Excellent problem-solving skills dealing with complex system level issues related to HW/SW debug.
• Experience in embedded security and cryptographic algorithms is a plus.
• Experience with embedded graphics and display technologies is a plus.
• Experience with scripting languages required, and python experience is specifically desirable.
• Experience leveraging modern AI-assisted software development tools (e.g., Cursor, Codex, or similar) is desirable.