Audio Software Development Engineer

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 ground-breaking devices like Fire tablets Fire TV and Amazon Echo.

Work hard. Have fun. Make history.

We are looking for an Embedded Software Development Engineer- to help design develop integrate our next generation devices.
In this role you will work with customers system architects program managers and hardware engineers to design implement troubleshoot fix kernel drivers Audio SW BSP for our next generation devices.
You will be responsible for design development optimization and maintenance of DSP firmware Linux drivers and middleware for audio on embedded products.


Key job responsibilities
If you have one or more of the below skills then this job is for you:
- Exposure to Audio software stack on Android/QNX/proprietary OS including Audio Flinger Audio HAL
- Exposure to ARM DSP architectures
- Expertise in ALSA / Pulse Audio
- Exposure to Dolby MS12 / DTS/ MPEG-TS
- Exposure to Audio/Video Sync
- Exposure to STB / DTV audio systems
- Working knowledge of Oscilloscope Logic Analyzer and Audio Tools including Audio Precision

Key job responsibilities
In this role you will:
- Design audio features that work across various embedded products
- Develop audio software that runs on ARM/DSP using Bare metal Linux and other high level OSes
- Optimization and porting audio and speech processing algorithms
- Integration of vendor hardware and software stacks
- Tune hardware for highest audio performance and lowest noise
- Be passionate responsive flexible and able to succeed within an open collaborative peer environment
- Be able and willing to multi-task and learn new technologies quickly

About the team
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 ground-breaking devices like Fire tablets Fire TV and Amazon Echo.

- 3 years of non-internship professional software development experience
- 2 years of non-internship design or architecture (design patterns reliability and scaling) of new and existing systems experience
- Experience programming with at least one software programming language
- Bachelors degree in Computer Science or a related field
- 3 years programming experience in C/C
- Linux kernel and application development and focus on stability efficiency and performance.
- Knowledge of Android platform and development environment.
- System scripting and building environment
- Experience with embedded system concepts and hardware interfaces such as JTAG UART SPI I2C ROM Microcode Custom ASIC/FPGAs x86 and ARM chipset and firmware security (TPM UEFI TrustZone Secure/Measured Boot JTAG PCIe)

- 3 years of full software development life cycle including coding standards code reviews source control management build processes testing and operations experience
- Masters degree in computer science or equivalent
- Experience supporting shipping Android and Linux based IOT devices

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