# Mike Chen

> Staff Software Engineer

Location: San Bruno, California, United States
Profile: https://flows.cv/mikechen3

Experienced in architecting high performance, extremely scalable, secured and robust mobile application

Tuned sql queries, designed database schema and cache layers to support massive amount of traffic

Handled millions of installs on game launches 
Massive database migration without any downtime
Designed fault tolerant architecture that handled partial database failure

Experienced in designing reusable UI components using JavaScript, AJAX, CSS and JSON

Integrated with third-party software to provide a seamless integration with single sign-on, superb user experience, ease of configuration, intuitive interface, secured authentication and high performance

Specialties: web development, database tuning, scalable architecture, C++, Node.js, PHP, JavaScript, Java, Python, XML, JSON, HTML5, AJAX, CSS, Oracle, MS SQL, DB2, MySql, Postgres, Git, SVN, NoSql, Memcached, GIT, Golang

## Work Experience
### Staff Software Engineer @ XP Health
Jan 2021 – Present | San Francisco Bay Area

### Staff Software Engineer @ Machine Zone, Inc.
Jan 2014 – Jan 2020 | Palo Alto
Responsible for InApp purchasing, revenue and targeting on two top grossing games: Game Of War and Mobile Strike

### Principal Engineer @ GREE, Inc.
Jan 2013 – Jan 2014 | San Francisco Bay Area
Server architect
Architected and developed the infrastructure server framework for all games in Funzio and Gree, which includes authentication, database, memcache, apc, logging, unit test and cross promotion
Architected and developed highly available,  low latency and scalable battle matching service using Golang with less than 10ms average response times
Implemented an asynchronous dispatcher backend service that handles millions of requests every hour using node.js
Improved PHP server performance by over 50% through code improvement and better cache architecture

### Lead Engineer @ GREE, Inc.
Jan 2012 – Jan 2013

### Lead Software Engineer @ Funzio
Jan 2011 – Jan 2012
Acquired by GREE

### Mobile Lead @ Tagged
Jan 2007 – Jan 2011
Lead the mobile web team 
Designed the backend infrastructure and framework for mobile web and support mobile apps
Grew mobile usage from 1% to 20% of users in 6 months
Designed and speced many mobile web features
Tuned the performance of the mobile web site to be one of the fastest mobile web site in the world, speed up mobile page load time from 50 seconds to under 2 seconds on a mobile phone


Designed and implemented extremely scalable, secured, robust and high performance APIs for internal external consumption

Internationalized the web site to 22 languages

Redesigned and implemented the photo upload page scratch which resulted in 50% number of photos uploaded

Rewrote the comments feature that renders in JavaScript that allows users to delete, report and post comments asynchronously 

Designed and implemented the browse bar feature that increased friend connections by 40% and page views by 20%

Rewrote the messaging system used by millions of users daily with AJAX prefetching, multiple delete, report, reply and block users without a page refresh

Implemented over 200 script injection automated test cases  
Fixed script injection security and flash redirect attacks.  Fixed site-wide security vulnerabilities

Designed and implemented the School/College affiliation feature that lets user search schools with type ahead, connect with other students

Experienced interviewer at spotting top talent and contributed to team building.

### Senior Member Technical Staff @ Oracle
Jan 2006 – Jan 2007
Worked on the Oracle Business Intelligence Presentation Server 
platform(formerly Siebel Analytics Web server), a high performance, scalable and robust web application server in C++ and Java

Developed Web 2.0 applications using innovative technologies like XHTML, AJAX, JavaScript, DHTML, CSS, drag and drop

Designed and implemented the tree browser with drag and drop interface, dynamically fetch the data using AJAX, easy to customize and snappy interface
Implemented various trees base on xml, catalog based tree and web services

### Software Engineer @ Oracle
Jan 2004 – Jan 2006
acquired by Oracle

worked in the core engineering team


## Education
### BA in Computer Science
University of California, Berkeley


## Contact & Social
- LinkedIn: https://linkedin.com/in/michaeljchen
- Portfolio: http://m.tagged.com
- Portfolio: http://www.funzio.com

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Source: https://flows.cv/mikechen3
JSON Resume: https://flows.cv/mikechen3/resume.json
Last updated: 2026-04-12