• Senior Software Development Engineer - Bluetooth

    Location CN-11-Beijing
    Posted Date 4 weeks ago(4/30/2018 9:10 AM)
    Job ID
    658816
    Company
    Amazon (China) Holding Company Limited
  • Job Description

    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 Amazon.com, 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?

    Work hard. Have fun. Make history.

    The Role:
    As a Senior Software Development Engineer – ZigBee you will engage with an experienced cross-disciplinary staff 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 “Echo Plus” devices to IoT Smart Home solutions to innovative accessory products.
    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 Smart Home 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 network stack, framework and application features.
    • Implement the right metrics, debug tools and integrate with backend 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
    • 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.
    • Support compliance and certification activities.
    • Be able to occasionally travel internationally.


    Basic Qualifications

    • Bachelor’s degree in Computer Engineering or similar technical field
    • 5+ years of experience doing hands-on software development in Mesh technology space (802.15.4) based technologies.
    • 3+ years of experience of ZigBee development
    • 3+ years of experience with driving products or platforms through ZigBee certification.
    • 3+ years of experience of hands on debugging including capturing and analyzing stack logs and over the air “sniffer” logs.
    • 3+ years of experience in one or more specific technical areas such as Audio, WiFi, Bluetooth, Thread, device interfaces (SDIO, I2S, I2C, USB, UART, SPI,PCM), filesystems, system performance and profiling.
    • 3+ years of experience in ZigBee specifications and standards with knowledge of open source or proprietary stacks.
    • 3+ years of experience writing Linux kernel (.drivers or core)
    • Experience reading schematics
    • Experience with hardware lab equipment such as digital scope and logic analyzer
    • Experience programming with java/C/ C++/ C#
    • Scripting experience with Perl/Python/Tcl
    • Experience with platforms such as Linux/Unix and Windows

    Preferred Qualifications

    • Android application, Framework and JNI development experience.
    • Experience with Home Automation product development
    • Thread protocol stack development experience
    • Thread application framework solution layer experience
    • BLE Mesh development experience
    • Android application, Framework and JNI development experience.
    • Understanding of embedded development constraints and system performance.
    • Data analysis and debugging skills
    • Master’s degree
    • Strong communication and interpersonal skills
    • Linux on ARM CPUs
    • JTAG experience
    • Shell scripting experience
    • Software development: firmware, IDE (ex: Eclipse, Visual Studio)
    • Application development experience
    • Factory experience
    • Experience with other wireless technologies such as Wi-Fi, Bluetooth, Thread, LTE
    • Experience with wireless coexistence between Bluetooth, LTE, ZigBee,Thread,Wi-Fi.
    Lab126 is part of the Amazon.com, Inc. group of companies and is an Equal Opportunity-Affirmative Action Employer – Minority / Female / Disability / Veteran / Gender Identity / Sexual Orientation.
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