David Zhang Email & Phone Number

New York, New York, United States

As the first solution architect on the Amazon Sidewalk team, I worked with our partners and product teams to build a scalable platform with tools and documentation to integrate Sidewalk into their diverse product offerings. Sidewalk is a new protocol and long-term effort to greatly extend the working range of low-bandwidth, low-power, smart lights, sensors, and other low-cost devices customers install at the edge of their home network.Read more about it here:https://blog.aboutamazon.com/devices/introducing-amazon-sidewalk

As a solution architect in Alexa Smart Home, I help partners integrate Alexa capabilities into their diverse product offerings.

Greater Seattle Area

Greater Seattle Area

Ensure product quality for devices and services in the Kindle, Kindle Tablet, FireTV, Alexa, Amazon Video, and Dash family through manual and automated test cases.

Bellevue, Wa

I help Gemalto IoT global customers integrate wireless modules, MIMs, and SensorLogic platform services into their IoT devices. Responsibilities include:•Provide Internal engineering support for R&D during module development and North American carrier approvals with specific focus on GSM/UMTS/CDMA/and LTE •Active participation in development projects of Cinterion customers integrating Gemalto IoT products, including:◦Pre sales activities (e.g. module selection, architecture recommendations, etc)◦Software integration support ◦Regulatory and Carrier approval support on SW related items to be provided via email, phone, and in person meetings•Trouble shooting and resolution of customer issues, as well as regulatory/carrier approval related engineering issues•Evaluation of HW and SW customer feature requests and report of validated requests to PM/R&D teams•Technical presentations/trainings for peers, customers, and distributors.•Coordinating resources with a global application engineering and R&D teamSpecialties:•SW Development, Technical Support, Requirements Definition, and a strong Customer Advocate•Embedded SW development/debugging using C/C++, JAVA, and Python•Experience with products using baseband chipsets from Qualcomm (MDM6xxx, MDM 9xxx) , Intel XMM (Infineon), and Sequans.•Experience with RIL system SW integration on Android, Windows Embedded/CE/Mobile platforms•Expertise in working products using wireless technologies such as UMTS, WCDMA, HSPA, and CDMA 1x/EvDO, LTE (standards, protocol, activation, OMA-DM, US Carriers)•Excellent communication and presentation skills for customer/partner/carrier interaction•Experience with modem diagnostic and tracing tools (QPST/QXDM, STT, Sequans DM)•Experience with lab equipments such as scope, analyzers, CMU500M2M market knowledge, NA 3GPP (AT&T, T-Mobile, Rogers Wireless) and 3GPP2 (Verizon, Sprint) CarriersAT-commands, J2ME, IMP-NG, Wireless, Embedded SW, SSL/TLS security, Linux

Assistant researcher in the design and implementation of hardware and software for two robotic arms utilized in telesurgery research.

- Obtain field data using survey equipment- Input, access, and analyze data used to generate reports.- Supervise and train new interns.