Lihuan Xie

Head of Infrastructure & Platform

Twin Health

Jan 2024 - Current (2 years 10 months)

Senior Engineering Manager - Platform

Twin Health

Oct 2019 - Feb 2024 (4 years 5 months)

- Own and manage the core platform team that serve as a pivotal bridge connecting the product features with the company infrastructure.
- Empower and collaborate with other partnership teams by providing platform framework, components, and architecture to increase their productivity and velocity
- Ensure the production stability and quality with logs, metrics, and alerts.
- User growth and platform scalability are also my team’s charters. By the end of 2023, the infra cost was reduced by 20% while supporting at least 10K members.
- My team also supports the Security and Privacy perspectives from the platform perspective.

Software Architect

Twin Health

Sep 2018 - Feb 2024 (5 years 6 months)

- Founding engineer
- Building everything in a stealth-mode startup.

Tech Lead

Cisco

Apr 2018 - Sep 2018 (6 months)

Chaos Engineer
- “Hacker” to the system.

Cloud solution architect
- Evaluate, design, and build the first IoT Production environment in China Unicom Cloud (沃云), as well as leading and managing the collaboration between Chinese and US teams.
- Design and lead the engineering effort to deploy IoT Production environment into AWS platform across the IaaS, PaaS, SaaS layers. In SaaS layer, apps are deployed in Kubernetes with Docker for automated orchestration.

Staff Software Engineer

Cisco

Mar 2016 - Apr 2018 (2 years 2 months)

Acquired by Cisco.

Staff Software Engineer

Cisco Jasper

Oct 2012 - Mar 2016 (3 years 6 months)

• One of the lead engineers for converting Jasper’s software architecture into Micro Service. Achievement includes evolving the whole build system from ANT to Gradle, as well as integrating it with Jenkins and Artifactory repositories.
• Principle engineer in OTA architecture design and implementation, providing new OTA framework and design pattern, as well as refactoring the current SMPP messaging system.
• Participate in design and implementation of NoSQL solution, mainly with Redis: deploy hosts and set up replication, monitor and on-call troubleshooting, also provided custom client framework.
• Implemented web service for various projects, building SOAP/REST APIs with Spring, Hibernate, Oracle SQL framework, designing UI

Sr. Software Engineer

Motorola Mobile Devices

Jun 2009 - Sep 2012 (3 years 4 months)

• Home and Widget for Atrix HD, Razr HD, and Razr M: evaluated the best architecture choosing between RemoteView and Activity for dynamic Home icon; established the back-end service, which pulls usage data from carrier’s server by using SOAP; integrated various Settings framework features within Homescreen in one panel.
• From Cupcake to Jelly Bean, focused on enhancing user experience with Android skills; wrote Weather animation using OpenGL framework; researched on HTML5 apps within WebView; invented and published sensor-related libraries into Moto SDK
• One of the main engineers who developed an engine for Suggestion project that the device can collect routine raw data from a user’s daily use, then analyze and infer the most fa

Research Assistant

University of San Francisco

Jan 2009 - Dec 2009 (1 year)

• Explore mobile networking infrastructure based on Google Android platform with 2 professors
• Devise and build user, networking, and utility applications in Java language with Android SDK on Eclipse IDE

Web Developer

Informatics Inc

Sep 2007 - Jun 2008 (10 months)

• Designed, coded, and maintained over 50 companies’ websites with developer teams using Microsoft Visual Studio
• Monitored 20 company servers for keeping them secure and optimized, and avoiding and recovering from failure
• Collected, compared and analyzed data and log files from websites using at least 3 different analysis programs to
advise and improve clients’ business solution
• Wrote scripts in MSSQL and VB to manage, backup and repair over 100 databases
• Present creative ideas, design and proposals as leader developer to over 20 companies

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Lihuan Xie

About

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