Sr Embedded Software Engineer

3 days agoSunnyvale, CA


Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of, Inc., originally creating the best-selling Kindle family of products. Since then, we have produced groundbreaking devices like Fire tablets, Fire TV and Amazon Echo. What will you help us create?

The Role:
As a Sr. Software Development Engineer on the Zigbee/Thread team, you will engage with experienced cross-disciplinary staffs to conceive and design innovative consumer products. Vertically your ownership can span across application, device framework, connectivity stack, drivers and low level wireless controller coexistence and scheduler algorithms. Horizontally you will be given to opportunity to work and own connectivity solutions across all Amazon digital devices spanning from Kindle, Fire TV, Echo, IoT Smart Home solutions and more as well as application on mobile devices
You will work closely with the product management, hardware, operations, application, platform, cloud and quality assurance teams. You must be responsive, flexible, and able to succeed within an open and collaborative peer environment. The Bluetooth connectivity team is responsible for the connectivity related user experience and use cases. This includes delivery and maintenance of an evolving feature rich, high-performance, low-power, stable platform. In this role, your responsibilities will include:

  • Work with product management and cross functional teams to provide technical solutions for desired user experiences.
  • Implement high-quality Zigbee and Thread stack, framework and application features.
  • Implement the right metrics, debug tools and integrate with back-end solutions to continuously measure and improve on our solutions.
  • Implement power management features.
  • Implement and provide testing facilities and tools for QA, HW and factory teams.
  • Implement Zigbee and Thread middleware, metrics, and HAL level code.
  • Work with teams to improve and tailor existing drivers, stack and applications to our needs. Improve memory footprint, optimize drive, stack and application code.
  • Work with the hardware team to ensure correct exercising of hardware and RF architecture.


  • 3+ years of programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
  • 2+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems
  • 4+ years of professional software development experience
  • Bachelor's degree in Computer Science / Computer Engineering or similar technical field.
  • 7+ years of experience doing hands-on software development in embedded domain, application, framework, Zigbee stack or drivers.


  • 3+ years of experience in Zigbee specifications and standards with knowledge of Zigbee stacks such as ZBOSS.
  • 3+ years of experience in one or more specific technical areas such as Audio, WiFi, ZigBee, Thread, device interfaces (SDIO, I2S, I2C, USB, UART, SPI,PCM), filesystems, system performance and profiling.
  • 3+ years of experience with driving products or platforms through Bluetooth certification.
  • 3+ years of experience with capturing and analyzing Zigbee logs.
  • Linux kernel programming experience.
  • Experience with other wireless technologies such as Wi-Fi, 802.15.4 based technologies like ZigBee and Thread.
Amazon is committed to a diverse and inclusive workplace. Amazon is an equal opportunity employer and does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. For individuals with disabilities who would like to request an accommodation, please visit

keyword: deviceos

Client-provided location(s): Sunnyvale, CA, USA
Job ID: Amazon-1478805

Company Videos

Hear directly from employees about what it's like to work at Amazon.