Joan Lin Email & Phone Number

North Wales, Pa, Us

Plymouth Meeting, Pennsylvania, Us

Web Membership Administration Application (UX Designer/Business Analyst/Lead Developer / Tester)⮚ Successfully led and migrated existing VSTO Excel membership management system to a web application.⮚ Replaced existing security mechanism for three existing applications with a central logon service ⮚ Designed architecture and developed heavily with Higher-Order Components in React/Redux web application to maximize code reusability and code maintenance.Procurement Advisory System (Business Analyst/Lead Developer / Tester)⮚ Successfully migrated a WPF based industry-leading health device procurement advisory system to ASP.Net⮚ Analyzed, planned, prototyped, and designed the application architecture. Successfully implemented major UI components including search and data visualization.⮚ Successfully implemented the security infrastructure, which dealt with security between SharePoint and the web application. It authenticated and authorized members’ feature access based on the membership subscriptions.⮚ Identified and consolidated codes used by different applications. Created shared common library and published to internal NuGet directory.

Palatka, Fl, Us

• Maintained and supported existing browser-based WPF violations system application while creating iPad water news mobile application from scratch.• Addressed all technical issues arising from assigned applications through front-end and back-end component management to ensure applications run properly and align with optimal business operations.• Awarded contract extension for outstanding performance.------------------------------------------------------------------------------------------Key Projects------------------------------------------------------------------------------------------Project 1: Violations System Application• Increased speed of Violations System from at least five minutes load time to real time by replacing application architecture with MVC pattern, rewriting components in Business tier and Web services.• Enhanced current system by adding 50% of all functionalities. Recognized by management for successfully developing PDF reading functionality without sacrificing data security, saving the district $4K that would have been spent on a 3rd party component.Project 2: Water News / iPhone/iPad Application• Improved management information delivery by creating and releasing pioneering iPhone / iPad application for District (http://itunes.apple.com/ne/app/water-news-for-ipad/id398567891?mt=8#).• Quickly learned Mac system and Objective-C language to deliver project through each phase of SDLC.

Seattle, Washington, Us

• Participated in four web application development projects for Fortune 100 companies, expertly performing tasks in all phases of SDLC including planning, analysis and design, implementation, and maintenance.• Worked with business side of project team, generating system requirements and creating functional specifications documents by using UML (Unified Modeling Language).• Controlled aggressive project timelines by managing four offshore junior developers through daily conference calls and status reports.• Recognized with company award for customer satisfaction and excellent project delivery.------------------------------------------------------------------------------------------Key Projects------------------------------------------------------------------------------------------Project 1: ASP.Net Self-Care Billing Portal• Finished development for 30 ASP.net pages from UI to back-end database transaction layers in three weeks, supervising four offshore developers.• Saved significant development effort and costs by utilizing unique combination of technical knowledge and understanding of business needs to present all international data in two web controls across two pages rather than five web controls across four pages.Project 2: ASP.Net Common Login Application• Utilized AJAX, CSS, and JavaScript to fix user interface bugs on ASP.Net Common Login application.• Fixed code behind, which authenticates and authorizes users by login credentials.Project 3: ASP.Net Web Services• Dramatically improved testing efficiency by reducing time to analyze suspicious transactions from five minutes to three seconds, reducing error rate 50% by creating a utility to troubleshoot issues in MQ transactions communicating with .Net web services.• Replaced existing VB6/ASP/COM web application with .Net Web Services to allow communication between mainframe COBOL application, MQ buffer and C-based Windows client application.