Yang YuClearances: Public Trust Clearance from HHS                                                                                                               

Email:  Personal:  yyu7788@gmail.comEducation:  M.S. Computer Science. (U of Villanova)

        M.B.A. (U of Singapore)

                           B.S. E.E.  (TsingHua U)

 

EXPERIENCE SUMMARY:

 

Mr. Yu is experienced with Big-Data Analytics and Cloud computing technologies including Hadoop, MapReduce, and R. He has extensive knowledge in data management, data migration, and Business Intelligence. Mr. Yu has 15+ years coding experience with several languages including Java, C#, PHP, Python and strong Unix/Linux background in Shell programming. He is a seasoned IT professional in software development, design and architecture of Enterprise Software Systems in Service Oriented Architecture

 

 

 

SUMMARY OF SKILLS

 

·               Big Data: Hadoop, MapReduce, Hive, Pig, Hbase NoSQL, Zookeeper, Accumulo, Storm, R, SPARK ·               J2EE,  EJB, Spring MVC, Hibernate, JAX-WS, Servlets, JSP, JNDI, RMI, JMS ·               PERL, Python, Shell Script ·               Data Visualization: Crystal Reports, SQL Server Reporting Services, Business Object ·               OOA/OOD, Design Patterns, SOA ·               Development Lead using both SDLC and Agile ·               Mentorship, training	·               C#, ASP.NET MVC, .NET Class Libraries, Web Services, WCF, XML, SQL ·               Database Systems: SQL Server 2000/5/8,  Oracle 9i, DB2, MySQL ·               OS: Linux, Unix and Windows ·               Tools: Eclipse, ERWin, XML Spy, Visual Studio 2010/12VSS, NUnit x.0, JUnit, SoapUI, JProfiler, Crucible, Jenkins

EXPERIENCE DETAIL

 

Booz Allen Hamilton, Inc.  Associate Technical Lead  May 2010 – Present

 

Mr. Yu served as key contributor and technical lead for several core applications (GOTS, Open Source) that support NIH National Children’s Study (NCS) project.

 

Technologies:  Java/J2EE, Spring, Hadoop, Pig, Hive, R, Hibernate, JBoss, JAX-WS, C#, ASP.NET MVC, PHP, SOA, Web Services (REST, SOAP), Ant, Maven, GitHub.

 

 

·   Involved in the development of NCS Research Data Warehouse (RDW) which is a Big Data data lake that accommodates a diverse variety of NIH NICHD NCS study data. RDW allows the analyst to draw connections between all data within the study; be it questionnaires, direct observation, DNA Sequences, diverse extant data, as well as any native structure, XML, binary, etc. It was built using Big Data technologies: Hadoop, Accumulo, Kafka, Storm, Pig, and Hive. Involved in the initial design and led the effort of adding Hive capability to the stack. Installed, configured Hive component and developed Hive extension (Java) to support Accumulo as the backend storage. Designed table schema and data models for Accumulo to store NCS study data.

·   Developed bulk ingestion process into Accumulo using Python scripts to load EPA NATA dataset.

·   Developer R functions to correlate EPA NATA data with American Community Survey PUMS housing data. 

·   Also involved in the RDW Analytics Web interface development using Spring, Jetty, and Hibernate. This interface allows users to upload data set, create Pig query, update query, submit job and view job status.

·   Led software architecture effort to deliver Business Intelligence solutions for NIH NIGMS grant management division by integrating SAP Business Object reports with Line of Business applications (.NET, JAVA, Cold Fusion) using BO RESTful web services.

·   Architected and developed a Service Oriented Architecture (SOA) based study management system (SMS) prototype during the NCS exploration phase.  It was based on a wide-range of GOTS, COTs and open source products including SugarCRM (PHP), Patient Study Calendar (Java) and Mirth Connect (Java ESB).  Developed and extended PSC web services using JAX-WS to support NCS study protocol management.  Prototype was well received by the client and led to some key components being selected in the study management system Information Management System (IMS).

·   Led a data migration project from Excel/Access/XML to SugarCRM SQL Server. Evaluated date migration tools and developed data migration strategy. Recommend using open source Talend for ETL and Bulk load. Created Talend components (Java), jobs and custom SugarCRM connector that successfully load 2GB data into NCS SugarCRM system.

·  Led the development of integration between a Data Collection system (C#/.Net) and Case Management system (PHP) for NCS project. Analyzed technical requirements and developed Interface Control Document. Designed and architected web service APIs based integration solution.  Led the implementation including creating workflows, data classes, data elements, coding (C#, PHP, SQL) and deployment using Agile methodology under the CMMI framework.

·   Managed, designed and implemented a Case Management System for NCS using open source CRM product- SugarCRM. Led the NCS SugarCRM open source development effort that includes requirement gathering, custom module design and development, package build and deployment. Also deployed NCS SugarCRM on Amazon Web Services (AWS) in order to demonstrate feasibility and value to the client.  

·   Involved in the development of NCS Vanguard Data Repository (VDR) system. Architected and developed the PII scrubbing module (C#) to mask Personal Identifiable Information (PII) from data repository. Redesigned the XML file validation and upload process.  Also led the ETL performance and scalability improvement effort to more than double its performance.

·   Designed and developed a prototype that demonstrates data transfer between a disconnected Laptop and iPad iOS application via Personal Hotspot. It aims to support NCS offline data collection mode.

 

I3solutions, Inc. Senior Consultant:  May, 2008 - May 2010

 

Technologies:  Java, JSP, Servlets, MOSS 2007, C#, SharePoint Designer, Dundas, Sliverlight, Microsoft CRM

 

·   Designed, developed, and deployed an inventory tracking system for a Pharmaceutical company. Used Java, JSP, Servlets, XML, HTML, JavaScript, Apache Web Server, Tomcat Server, Oracle 8i, and various networking devices and software.

·  Responsible for the initial roll out of risk management module for a banking application. This application parse Trade Records, to generate a database record for auditing and an XML payload for transmission via MQ to locale specific Risk Management Application. Extensive use of annotations for database persistence via Spring DAO, XML mapping for payload generation and JMX monitoring.

 

·   Served as Senior Consultant for Content Store UI implementation using Microsoft Silverlight 2.0. Developed a Mac Finder style user interface that allows user to quickly view contents of a file without opening it or running an application. Used Ajax extensively to improve user experience. Data was retrieved from backend by calling WCF services.

·   Involved in building a Proof-Of-Concept using Microsoft Dynamic CRM 4.0. Prototype has been presented at Microsoft Technology Conference. Replicated client’s legacy CRM program using Microsoft CRM 4 through customized entities, client-side JavaScript. Implemented custom workflow using MS CRM built-in workflow template. Demonstrated CRM SharePoint integration by using SharePoint BDC services.

 

 

SAIC Rockville, MD   Technical Lead August, 2004 - May 2008

 

Mr. Yu served as technical lead for HRSA (Health Resources and Services Administration) ADAP (AIDS Drug Assistance Program) Web Application Project, a web-based data collection and reporting system that provides data for analysis and use in Government Performance and Results(GPRA) reporting, as well as other reports of HRSA management, the Department of Health and Human Services. As Technical Lead, Mr. Yu oversees a team of developers and testers in the design, development, deployment, and maintenance of the ADAP system; integrated heterogeneous grant-related data collection system using a common database and framework; He was responsible for system content management, workflow, access control, electronic data submission, and reporting.

 

Technologies:  Java, Spring, Hibernate, JUnit,  C#/.Net, ASP.NET AJAX, MS SQL Server, Crystal Report, SQL Reporting Service

 

 

·   Interfaced with client to define development and enhancement requirements and translated them into use cases and system specifications and led in architecture and design of application frameworks; built on a common, re-usable platform with shared components using technologies such as ASP.NET, C#, XML, XSLT, MS SQL Server and Crystal Report XI.

·   Developed key components to integrate with HRSA Grant Management System using web services.

·   Developed Websphere MQ and J2EE XML driven messaging system for the efficient interchange of grant information between various government agencies

·   Managed development of complex automated validation modules incorporating hundreds of validation checks.

·   Contributed to the design and development of various re-usable components such as a logger, a mailer, and a common registration module, among other tools, for the applications

·   Created analysis dataset to HAB in various formats including Excel, SAS.

·   Supported migration of quarterly ADAP reports from Crystal Reports to SQL Server Reporting Service

·   Responsible for data modeling, and development of database schema and SQL server stored procedures.

·   Performed requirement gathering and analysis, peer review, trained development team in TDD and Unit testing.

·   Managed project execution to ensure timely and successful implementation; provided project plan updates, prepared meeting agenda and attended status meetings with clients. 

 

Verizon Communication   Software Engineer May 1999 – August 2004

 

Mr. Yu served as Senior Software developer on expressWeb, a web-based application (Java, C#, and SmallTalk) that provides billing and provisioning support for Verizon Customers.

 

Technologies:  Java, J2EE, EJB, SmallTalk, C#/.Net, VB.Net, SQL Server 2000, XML,

 

·   Analyzed, architected, designed, and implemented Personal Toll Free Product Ordering System for Verizon long distance business office using J2EE, XML, and Web services. The application is deployed on clustered Weblogic Application Server running Solaris. Was responsible for coding Java servlets to handle incoming requests in the form of XML, parsing XML using DOM, delegating requests to stateless session EJB beans, and invoking an external web service to retrieve phone number and pin information.

·   Analyzed, architected, designed, and implemented a J2EE enterprise application for Verizon business customers to order listings product. The system was developed using EJB, JNDI, RMI, JSPs. Responsibilities included modifying existing framework to handle listing ordering requests, using Castor to convert XML into business objects, calling EJBs to complete the listing ordering information, using XSLT to combine different XML responses into one unified XML response that the calling application can understand.

·   Involved in the whole life cycle development of ExpressTrak, a billing, ordering and provisioning system for Verizon customers. The front end was written in SmallTalk and is running on DB2. Was involved in coding middle-tier modules. Developed system integration test plan and provided production support.

·   Involved in the development of iConsole desktop application for Verizon retail business unit. This desktop system, written in C#. NET, has been deployed in VZ pilot locations. Architected and designed components that integrated two legacy desktop applications into iConsole framework. Tasks include writing unmanaged code to invoke Win32 API for encryption; using .net Reflection to implement ‘Plug-in’ architecture to seamlessly integrate non-visual components.

·   Developed an automated data sourcing tool to process data request, validate and correct bad data; reduced validation and data search request time by 80%. Used VB.NET, SQL Server 2000 stored procedures, JavaScript/HTML.

 

 

CERTIFICATIONS

 

·   Project Management Professional (PMP), Project Management Institute

·   Sun Certified Java Programmer for the Java 2 Platform

·   Service-Oriented Architecture (SOA), Learning Tree International

·   Oracle 9i DBA Certificate, George Washington University

·   Introduction to Big Data, Learning Tree International

·   Certification training in Fundamentals of Agile

 

 

AWARDS

 

·   Performance and Team Award for Outstanding Effort and Commitment to delivery of MIMS Case Management System (Booz Allen 2013)

 

 

Visa Status

 

U.S. Citizenship