Principal Software Developer

At onsemi, we help improve lives through silicon and software solutions every day. Our intelligent power and sensing technologies solve the world's most complex challenges and lead the way in creating a safer, cleaner, and smarter world. We're developing leading-edge wireless‑enabled MCUs, DSPs and software that sense and connect the world or help manage personal health through body‑worn or implantable devices. Our world‑class ultra‑low‑power solutions also contribute to a more sustainable future. We invite you to join our innovative team and truly make a difference in people's lives.

The Role

We are seeking an innovative and creative Principal Software Tools Developer to join our Software Solutions team in Waterloo. You will design, develop, and maintain software tools that support the development, debugging, and testing of embedded systems, collaborating closely with firmware engineers, hardware teams, and QA to streamline workflows and improve productivity across the embedded software lifecycle. You may also contribute to AI tool‑chain development.

Why Join Us

We create a diverse set of world‑class products in a friendly and team‑oriented environment. We provide continual learning and growth opportunities including patent and publication incentives, education assistance programs, and support for volunteer & charitable programs. In support of a healthy work‑life balance, we also provide flexible work hours as well as comprehensive wellness and retirement benefits.

What You’ll Need

- University degree in Computer Engineering, Software Engineering, Computer Science, or a related discipline.

- 8+ years of experience in software development for bachelor’s degree holders; 4+ years for master’s degree holders.

Responsibilities

- Design and implement tools to develop embedded software and firmware (e.g., build systems, IDE features, debuggers, simulators, test frameworks).

- Integrate third‑party tools and SDKs into the development environment.

- Collaborate with cross‑functional teams to understand tooling needs and deliver scalable solutions.

- Develop and maintain scripts and utilities for automation of build, test, and deployment processes.

- Optimize tool performance and ensure compatibility across various platforms and architectures.

- Provide documentation and training for internal teams on tool usage and best practices.

- Troubleshoot and resolve issues related to embedded and firmware development environments.

- Development of communication libraries.

- Improvements and feature developments for our continuous integration infrastructure.

Requirements

- 5+ years of experience with web front‑end technologies such as TypeScript, JavaScript, React, CSS, HTML5.

- Strong programming and debugging skills in C/C++.

- Python development experience.

- 10+ years of experience in embedded systems or tools development.

- Experience with embedded toolchains (e.g., GCC, IAR, Keil), debuggers (e.g., GDB, JTAG), and build systems (e.g., CMake, Make).

- Experience in software development at both host side and embedded software levels.

- Familiarity with version control systems (e.g., Git).

- Excellent written, verbal, and presentation skills.

Preferred Skills

- Embedded systems knowledge including microcontrollers & microprocessors, serial communication protocols such as SPI, I2C, UART.

- Experience with RTOS‑based or bare‑metal embedded systems.

- Software architecture and design pattern familiarity.

- Experience with best‑in‑class software development methodologies including Agile (Jira), Test‑Driven Development, and CI/CD (Jenkins).

- Contributions to open‑source embedded tools or frameworks.

- Exposure to AI/ML frameworks (e.g., TensorFlow, PyTorch) and model deployment on embedded targets, including model conversion, quantization, and deployment pipelines.

Office Culture

Our office embraces cultural diversity, mutual respect, and engaging fun. Enjoy complimentary coffee, bagels, and snacks in the kitchen; relax with colleagues by playing puzzles and video games during downtime; play an instrument in our office band; and join us for soccer every Friday at lunch.

About Us

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end‑markets, the company accelerates change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and lead the way in creating a safer, cleaner, and smarter world.

We are committed to sourcing, attracting, and hiring high‑performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work. onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws. If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Talent.acquisition@onsemi.com for assistance.

Job Info

- Job Identification: 2504187

- Job Category: Engineering, Design

- Posting Date: 11/12/2025, 06:54 PM

- Degree Level: Bachelors

- Job Schedule: Full time

- Location: 611 Kumpf Dr, Waterloo, Ontario, N2V 1K8, CA

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