Senior Embedded Software Engineer, Android

Toronto, ON /
Technology – Hardware /
Who We Are

Tonal is the smartest home gym and personal trainer. It has completely revolutionized the way people work out at home, with its sleek design and advanced A.I. technology. We’ve united a diverse team of experts and decades of research to reinvent strength training, making it more efficient, more effective and more engaging. 

With this in mind, we want to bring that same innovative approach to the workplace. At Tonal, we continue our shift of emphasis by growing our instrumental team. We collectively weave our knowledge and creativity, as we redefine the future of fitness. We are passionate about building products that transform lives, and building teams that transform the status quo. Together, we can be our strongest.  


As part of the Hardware department at Tonal, the Firmware team helps build our intelligent fitness system from the ground up.  We enjoy the opportunity to create a great product and to expand our technical breadth in the process. The Firmware team works across several embedded domains from wirelessly connected sensors to high powered motor control.  We leverage embedded processors running anything from bare metal to Android to create a device that delivers an exceptional and seamless user experience.  We are looking for a seasoned AOSP or Linux Firmware Engineer to join the team and help take our product platform to the next level. This role is for either our San Francisco or Toronto offices.

What You Will Do

    • Be instrumental in architecting, developing, and defining our customized Android platform and additional MCU based embedded systems
    • Develop a relationship with SW counterparts who will develop on top of AIDL  
    • Deliver and deploy Android APKs written in C/C++ and Java
    • Work closely with product management, software and firmware teams to define product requirements, being creative and innovative in the product development process
    • Investigate and select sensors, cameras, microphones, etc. and implement device drivers
    • Work with our factory to customize, improve, and troubleshoot test applications used on the manufacturing line
    • Develop both local and internal communication protocols
    • Establish best practices for development, test, and deployment
    • Maintain a high bar for product quality, safety, and user experience
    • Enjoy using the product! Provide feedback and work to make it even better

Who You Are

    • Android framework generalist; has developed with more than one of the following: Media Player Framework, WiFi & BT Communication Stacks, Custom AIDL interfaces, Java application development experience
    • 7+ years of experience of software development experience with a Bachelors or Masters degree in Engineering or Computer Science 
    • Demonstrated experience in driving and delivering features from initial conception through production 
    • Practical knowledge of AOSP, Android, or embedded Linux integration with various chipset platforms
    • Proven experience with the Android platform at all layers and its build systems
    • Strong experience in C/C++/Java and build environments, Kotlin experience is a plus
    • Development experience in scripting languages (Python, Make, Bash, etc.)
    • Experience working directly with ODMs, chipset makers and sensor vendors
    • Team player with high integrity and high degree of self-awareness
    • Open to feedback with an ongoing desire to improve

Extra Credit

    • Optimizing AOSP components for various needs (execution speed, RAM utilization, code size, etc.)
    • Experience with security auditing and/or applying upstream security patches
    • Writing scripts and applications that interact with kernel level drivers
At Tonal, we believe that the unique and varied lived experiences of our teammates contribute to our overall strength. We don’t just appreciate differences, we celebrate them, and we always seek people that represent a wide variety of backgrounds. We’re dedicated to adding new perspectives to the team and designing employee experiences that contribute to your growth as much as you do to ours. If your experience aligns with what we’re looking for (even if you don’t check every single box), send us your application. We would love to hear from you!
Tonal is committed to meeting the diverse needs of people with disabilities in a timely manner that is consistent with the principles of independence, dignity, integration and equality of opportunity. Should you have any accommodation requests, please reach out to us via our confidential email, All requests will be addressed and responded to in accordance with Tonal’s Accessibility Policy and local legislation.