Founded Peach in 2014, a lunch delivery services working with local restaurants and delivering lunch in bulk to offices. Peach went through Seeds, Series A funding, as well as expansion in 3 markets on top of Seattle (San Diego, Boston, Dallas).• Managed the development team (5-10 engineers), as well as the Operation, Customer Service, and Account Management teams (15 people). • Recruiting for many role type: Senior and Junior Engineer, COO, Director of Operation, Director of Finance, Operation Manager, Data Scientist.• Oversea Finance and accounting. Review P&L, Cash Flow, Balance Sheet and Due Diligence for Series A Funding.• Triple gross margins in 1 year by improving software and operation costs.• Responsible for system architecture and development roadmap. Systems include: - Main company Website (Python/Django and AngularJs); - SMS/MMS communication platform with 60k+ customer daily; - Restaurant and Driver App (Cordova/Ionic/AngularJs); - Operation and Customer Service system with Integration to Zendesk, Jira, and Salesforce. • Responsible for company operations, customer service, and account management: - Daily operation with hundreds of drivers and restaurants; - Drivers recruiting program; - Customer Service. Via SMS (Custom software) and Zendesk; - Account management for thousands of business customers. (Using Salesforce). - Remote team management in San Diego, Boston, and Dallas.

Directly manage 3 teams:New Expansion• Manage team responsible for adapting existing Zillow software to support launch into Canada• Launched For Sale by Agent (October 2018), Rental (February 2019) and New Construction (June 2019).Traffic• Manage team responsible for implementing SEO Optimization• Launch new sitemap generator to produce sitemap every 15 minutes for ~150M pages.Privacy - Zillow Group (https://privacy.zillowgroup.com/)• Manage team responsible for building Zillow Privacy Portal with expected launch date December 2019. The Privacy Portal will allow Zillow to comply with new regulation: California Consumer Privacy Act (CCPA)• Design and build Core Privacy Service to be used by all Zillow Group (Zillow, Trulia, HotPads, StreetEasy, etc...): The Core Privacy Service is central system allowing any Zillow Group engineering team to receive and process Data Access and Data Deletion request.• Educate and onboard 100+ engineering team at Zillow Group on the Core Privacy Service• Build Privacy Web Portal where any Zillow Group users can go, authenticate, and exercise any of their privacy rights: https://privacy.zillowgroup.com/

Worked on optimizing the picking process in Amazon Fulfillment Center:• Improve order aggregation which increase picker productivity• Support integration of various new systems into Amazon FC (Kiva, Zappos, Amazon Fresh)• Developed tools for the rest of the division (Event aggregator, Shipment optimization distributed locking system)• Migrated legacy systems in C++ with direct Oracle database access to Java system using Workflow and NoSQL.• Design software system architecture in FC for multiple new Amazon project:- Bulk Fulfillment for Business customer.- Fulfillment Center Transfer optimization in Germany.Technologies:• Service Oriented Architecture• Workflow Application• Relational database (Oracle) and NoSQL (Dynamo, Sable)• Java, C++, Python, Perl

Software development in C++ on Linux.Ported an application developed on AIX to Linux.Created multiple tool in Perl to accelerate and improve the development process.

Software development in C++ on Linux.Implemented different algorithms for video frame rate conversion.Integrated a Python scripting system in the main application.Worked in close relationship with Product Designer and Tester in the realization of new features.

Software development in Java and Perl on Linux.Worked on projects classified as Top Secret by the National Defense.Developed multiple tools for the maintenance and surveillance of the systems.Designed and deployed a complex network system made of many servers using Linux.

Software development in C# and VB.net on Windows and PPC.Analyzed the client need for new application using the information technologies (IT)Evaluated the technical choice of the company and suggested new techniques for the software development.Developed plugins for the application ArcGis developed by ESRI.