Wing Chea Email & Phone Number

San Lorenzo, Ca, Us

Brea, California, Us

San Francisco, California, Us

Led the development of a React application for battery testing, model information, and simulation. Improved code quality and load performance by 50% through code refactoring. Implemented features to help users understand battery aging and behavior. Integrated Datadog along with PagerDuty for end-to-end testing and monitoring, reducing false positives notifications by 80%. Migrated to prebuilt components like MUI Datagrid and Victory Chart, boosting productivity. Added LaunchDarkly feature flags for optimized release processes. Developed RESTful APIs with Flask and PostgreSQL for data delivery to the frontend. Mentored junior developers through code reviews and pair programming, fostering a culture of continuous learning. Facilitated cross-team communication by organizing regular sync-up meetings and ensuring alignment on project goals and timelines.

San Mateo, Ca, Us

Lead US based FE team to work with teams in Europe. Redesigned Client Architecture. Involved in full product lifecycle: spec process, UX design, tech design, cross-team communication. Debug and improve performance on various parts of the applications. Contributed to company processes: task flow, testing, translation platform. Implement Matomo analytic tracking to facilitate data informed decisions. Implemented features that improve model and feature interpretability: Important Features, Comparison Objects, Model Leaderboard, Feature List, Model Metrics and Feature Metrics.

Primary Front End developer of a E-Commerce single page application that later got acquired by Arrow Electronic. Implemented Optimizely for A/B testing to improve user experience. Integrated client side NewRelic javascript error tracking and api performance tracking to catch bugs early and improved performance. Integrated Google analytic and Google Tag Manager for enhanced ecommerce tracking to help make better data driven business decisions. Worked with DevOps to implement Akamai assets caching to improve load time performance to increase SEO ranking. Integrated with Salesforce live agent chat client to allow customers to chat with CSR online to improve customer satisfaction.

San Mateo, California, Us

Implement new features on Pixamo, a photo-sharing module for Laszlo Webtop.Developed RIA version of Verical B2B applicationDeveloped a product filtering application for the existing FNAC's ecommerce websiteDeveloped a mutual fund comparison application for T. Rowe Price

Worked as a consultant for Laszlo Systems on rich internet application projects: LaQuinta, Laszlo Mail, Sylantro, EarthLink Search, Laszlo Charting Component, and Questra applicationDeveloped various Laszlo demos including Enhanced Search and Kid StoreMaintained, improved and created standard web applications using java, asp, asp.net, php, javascript and flash: Branuity workspace, Eagleview, Claremont, GRA Global and GRA dynamic charting, Premier Pacific Vineyard

Develop online product catalog using C#, ASP.NET and ADO.NET.Scrape data from manufacturer website.

Us

Implemented new user management service using caster jdo, servlets, jsp, custom tags and JavaScript.Developed internationalization framework to improved on and overcame limitations in Sun's JSTLImplemented web services to export companies, roles and users information as xml via http protocolDesigned unit testing framework using ant and junit to reduce bugs and to decrease coding cost of switching between different OR mapping vendorDeveloped IpTeam, NexPrise's flagship application for collaborative quote and program managementImplemented using DHTML, and JavaScript, various GUI enhancements for IpTeam to simplify navigation and improved user experienceIntegrated Fujitsu's iFlow (workflow engine) into IpTeam using RMI, to provide rule-based workflow.

Converted Herringtown application to use a single template to reduce maintenance costsImplemented connection pooling in Herringtown to dramatically improving performanceDeveloped custom index application for Investor Relations customers to measure performance in any customized sectorsSole engineer responsible for developing and maintaining justquotes.com website.Replaced and improved on cookie-based portfolio co-branded from CNETConverted justquotes website from CGI Perl to ModPerl to improve performanceDecreased justquote.com page load time from an average of two seconds to under half a second and resulted in doubling the page hit rate

Developed client/server applications utilizing C/C++, X-Windows/MOTIF and Sybase DBMSCreated Windows NT Java clients to communicate with Solaris C based serverWrote software for a satellite communication application using Visual C++, MFC, ODBC, and MS SQL Server on Windows NT 4.0Created signal processing units and libraries using C++ and RogueWave Tools. H++ libraryCreated project dedicated web page using Microsoft Front Page, HTML and JavaScript