Kirk Chen Email & Phone Number

• Retrevo was acquired by Nook.• Developed Natural Language Processing (NLP) applications to derive metadata from unstructured text: extracting features for classification, recognizing fictional characters, generating excerpts, detecting duplicates, generating engaging content feed by topics.

Sunnyvale, Ca, Us

• Worked on Retrevo Product Graph using unsupervised training algorithm to produce product model patterns and discover new models from unstructured product titles.• Researched, evaluated, and recommended Open Source and proprietary eCommerce software platforms for the Retrevo Marketplace solution.• Integrated and customized Apache Ofbiz/Opentaps (900+ DB tables and massive code base) to run the Retrevo Marketplace.• Architected and implemented the Retrevo extension to add multi-seller environment for shopping cart , inventory management, order processing, fulfillment processing, payment processing with PayPal, returns and cancellation, accounting, deals, and coupons.• Distributed functional components on multiple servers for scalability.• Resolved numerous system/performance problems in production (deadlocks, memory leaks, transaction issues, and under-par performance)• Launched the first version to customers in less than 6 months. $3 million revenue in first full year of system going live.

Fun, safe online community for kids!• Worked under intensive Agile and Extreme Programming and Test-Driven Development methodologies using Ruby-on-Rails at Pivotal Labs.• Launched the site in two months with just one other developer.

Us

iLeonardo.com let users interact with one another around the topics that interest them. It clusters Web content through crowd-sourcing (collecting and tagging) and algorithmic means (content analysis, sentiment detection, and popularity rankings) to produce "Interest Graph" for the participating users.Set technical direction and designed and implemented iLeonardo.com. Strategic planning with CEO:• Launched the company at DEMO'08• Drafted ad-supported and subscription-based business plans, and budget and revenue projections• Defined user acquisition strategies and product road mapsCo-brand development and integration:• Worked with partners to understand their needs and identify synergies• Proposed and executed integration solutionsLed a team of engineers by introducing effective processes and best practices.• Defined and led product design process, adoption of MVC and OOP architectures, testing procedures• Defined and maintained internal documentation system and tutorials with wiki• Recruited candidatesApplication architecture and implementation:• Created DB schema and data access API with MySQL for new features• Created UI layout and workflow with UI designer• Implemented AJAX; integrated Prototype/Scriptaculous libraries and YUI toolkits• Designed and wrote these major features: web/notebook search, groups, collaboration, access control, comments, rich-media editor, messaging, feed, follow/being followed, web API, crawler-friendly interfaces, integration to Facebook and TwitterQA and development environment:• Performed statistics gathering and analysis with Google Analytics• Resolved browser cross-platform compatibility issues for IE, Firefox, and Safari• Set up unit tests for Javascript and PHP, and nightly tests.• Bug triage and reviews with Bugzilla• Setup code repositories with SVNRelease and deployment:• Created release procedures and tools• Set up and ran backups with rsync and mysqldump• Performed data migration and maintenance

• Designed and implemented Web search and classification of Web search results into channels with which users learn about products in context.• Implemented query recommendation for product search.• Developed algorithm for analyzing Web pages to detect and generate summary.

Buffalo, New York, Us

Zimbra is an email collaboration platform with a AJAX Web client ̶ among the first of its kind.• Created initial design of shared calendar.• Responsible for indexing, searching, and HTML rendering of email attachments in various formats. Designed an automatic recovery mechanism against crashes from third-party native code.• Implemented email filtering system (RFC 3028 Sieve) into Zimbra. • Designed and implemented backup and restore subsystem featuring full and incremental, site and per-account backup and live restore.

Redwood City, Us

• Designed and developed MIDP Over-the-Air delivery and other delivery protocols of media content (ring tones, wallpapers, games) for Nokia, Motorola, NTT DoCoMo i-mode handsets.• Developed license management, price rating, DRM, content catalog stocking, and other features of the web and WAP portals for mobile users.• Responsible for design and implementation of JSR 124, an industry standard for provisioning contents to client devices using J2EE technology. • Helped define API for Openwave content partners to integrate with ODM. Supported carrier customers and account teams in the field with technical solutions.

Palo Alto, Ca, Us

• Designed and implemented the Java Embedded Server 2.0 Framework, the foundation for managing and deploying services to residential gateways.• Developed specification at the Open Services Gateway Initiative (OSGi), a cross-industry consortium consisting of more than 80 companies that work to define the home gateway market.• Oversaw development and bug fix for the Java Embedded Server (JES) 1.1 and 1.2 products, which were both shipped successfully on time.• Coordinated multi-function teams including production team on schedules, QA team on test case development, bug verification and fix, documentation team on editing and organization, remote localization team, and sales force on product training.• Supported customers such as Cisco, Siemens, Nokia, and GTE with technical problems and provided solutions effectively.• Designed and developed logging, authentication, RMI-based remote administration, and service dependency graph in the admin console for Java Embedded Server (JES) 1.0.• Designed and developed initial portion of a back-end LDAP service for thin-client JavaStations.

Ms, Computer Science

Bs, Computer Science

Computer Science