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Bluetooth Software Development Engineer Full-time

at Amazon.com Services, Inc. in Texas (Published at 17-05-2018)

As a Software Development Engineer - Bluetooth, 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 eReaders, Fire TV, Echo, IoT Smart Home solutions to innovative Bluetooth 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 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 Bluetooth 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
  • 3+ years of experience doing hands-on software development in Bluetooth domain; application, framework, Bluetooth stack or drivers.
  • 3+ years of experience in Bluetooth and BT smart (low energy) specifications and standards with knowledge of Bluetooth stacks such as BlueZ, Bluedroid or other proprietary Bluetooth stacks.
  • 3+ years of experience writing Linux kernel (.drivers or core)
  • 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 Bluetooth stack, HCI (bt snoop) and Bluetooth over the air sniffer logs.
  • Technical document writing experience using Visio, Word, Excel, and / or PowerPoint
  • System-level integration experience
  • Linux kernel programming experience
  • DFx (Design for cost, test, manufacturing) experience
  • 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.
  • BLE Mesh development experience
  • Experience with Home Automation product development
  • 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
  • Application development experience
  • Experience with other wireless technologies such as Wi-Fi, 802.15.4 based technologies like ZigBee and Thread.
  • Experience with wireless coexistence between Bluetooth, LTE, ZigBee,Thread,Wi-Fi.
  • Factory experience
  • Experience with IDE (ex: Eclipse, Visual Studio)
Amazon. is an Equal Opportunity-Affirmative Action Employer-Minority/Female/Disability/Veteran/Gender Identity/Sexual Orientation
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