James Yao-Han Tsai

James Yao-Han Tsai Email and Phone Number

Embedded Software / Firmware Engineer @ Amazon
James Yao-Han Tsai's Location
Bellevue, Washington, United States, United States
James Yao-Han Tsai's Contact Details

James Yao-Han Tsai personal email

n/a
About James Yao-Han Tsai

Experienced engineer with a demonstrated history of working for the customer driven products in electronics industry. Leadership in developing and applying knowledge of cutting- edge technology to mobile devices. Core competences include: Embedded System Developing • Programing • Trouble Shooting • Test Management • Hand-on Lab Test

James Yao-Han Tsai's Current Company Details
Amazon

Amazon

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Embedded Software / Firmware Engineer
James Yao-Han Tsai Work Experience Details
  • Amazon
    Embedded Software Engineer
    Amazon Nov 2022 - Present
    Seattle, Wa, Us
    Work for Kuiper project- Develop software for low-orbit satellite gateway transceiver
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  • Amazon
    Software Development Engineer - Firmware
    Amazon Mar 2022 - Oct 2022
    Seattle, Wa, Us
    Developed Amazon Glow which is an Android OS based interactive video calling device aiming at kids• Developed and debugged for the multimedia peripherals including projector, LCD panel, and cameras for Linux kernel drivers and bootloader based on Qualcomm SDM660 SoC.• Developed AWS based metrics to track frame rates of IR, RGB, and 4K cameras in various layers.• Researched in improving system performance with configuring GPU, VPU, Wi-Fi bandwidth throttling and other system configurations to optimize the application latency and enhance customer experience
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  • Phytec America
    Embedded Software Engineer
    Phytec America Jan 2020 - Apr 2021
    Bainbridge Island, Washington, Us
    Developed ARM based board support package (BSP) software for custom system on module (SOM) kits. - Developed u-boot system to boot from NOR SPI, NAND, MMC and EMMC, read I2C eeprom to select SOM and expansion boards, and apply device tree/ overlays to enable various peripherals. - Developed Linux kernel system to use device tree and design custom driver to enable UART, I2C and SPI connection and support LCD display, HDMI, WiFi/Bluetooth, USB, PCIE and serial ports. - Utilized Yocto project to apply integral scripts and layers to build applications modules on kernel. - Executed hand-on tests on SOM to verify for BSP and debug for the developed peripherals.
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  • Samsung Electronics America
    Hardware Engineer
    Samsung Electronics America Oct 2012 - Nov 2019
    Ridgefield Park, Nj, Us
    - Supported developing for Android and Tizen OS based mobile devices on field network.- Conducted field tests to develop one of the first mobile phone products with 5G network. - Led a field team of 10 people to develop and QA mobile devices for the US market.- Optimized product in development by adjusting communication processor setting on chipset IDE, QXDM or Shannon DM. Verified devices performance by testing with Agilent 8960 and CMW500.- Reduced more than $300,000 cost on third-party verification tests by delivering reliable internal test reports and negotiating with the telecommunications service provider in 2018.- Provided escalation troubleshooting/support for all issues related hardware, software or network.
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James Yao-Han Tsai Skills

Matlab Signal Processing Vhdl Research Troubleshooting Mobile Devices Fpga Wireless Technologies Circuit Design Wifi Data Analysis Analog Circuit Design Electrical Engineering Analog Design Testing Radio Frequency C Java Python Embedded Systems Lte Microsoft Office Team Leadership English Internet Of Things Embedded Software Programming Rf Design Programming Ic Vlsi C++ Wimax Windows Linux Microsoft Excel Mandarin Lna Soldering Telecommunications Ofdma Simulation

James Yao-Han Tsai Education Details

  • Columbia Engineering
    Columbia Engineering
    Electrical Engineering
  • Yuan Ze University
    Yuan Ze University
    Communication Engineering

Frequently Asked Questions about James Yao-Han Tsai

What company does James Yao-Han Tsai work for?

James Yao-Han Tsai works for Amazon

What is James Yao-Han Tsai's role at the current company?

James Yao-Han Tsai's current role is Embedded Software / Firmware Engineer.

What is James Yao-Han Tsai's email address?

James Yao-Han Tsai's email address is ja****@****ung.com

What schools did James Yao-Han Tsai attend?

James Yao-Han Tsai attended Columbia Engineering, Yuan Ze University.

What skills is James Yao-Han Tsai known for?

James Yao-Han Tsai has skills like Matlab, Signal Processing, Vhdl, Research, Troubleshooting, Mobile Devices, Fpga, Wireless Technologies, Circuit Design, Wifi, Data Analysis, Analog Circuit Design.

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