From:                              route@monster.com

Sent:                               Thursday, September 24, 2015 11:55 AM

To:                                   hg@apeironinc.com

Subject:                          Please review this candidate for: Application

 

This resume has been forwarded to you at the request of Monster User xapeix03

Wei Zheng 

Last updated:  05/03/15

Job Title:  no specified

Company:  no specified

Rating:  Not Rated

Screening score:  no specified

Status:  Resume Received


Orlando, FL  32807
US

Mobile: 407-342-5252   
zhengwei22000@yahoo.com
Contact Preference:  Email

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RESUME

  

Resume Headline: Software Architect/Principal Engineer

Resume Value: myizurf5vxi8taxk   

  

 


 

 

 

 

 

Wei Zheng                                                                         

(407)342-5252                                                                                         2289 Gator Drive APT 387                                                              

Zhengwei22000@yahoo.com                                                               Orlando, FL 32807                                           

                                                                             

 

Software Architect / Lead Developer offers the following background:

 

·               Over 15 years programming experience including JAVA, C/C++, Groovy, Edifecs, spring, Hibernate, JSF, JSP, RichFace and PrimeFaces, struts, HTML, and JavaScript.

·               Leading the design and development of 5 key projects based on Edifecs platform, to support Federal and State Healthcare Exchanges and HTM mandates, across multiple transactions in Cambia’s EDI system, which supports 2 million members’ health insurance electronic transactions.

·               Building the AAA’s Common Services Infrastructure based on JBoss SOA-P, Enterprise Service Bus (ESB), and Teiid, to provide a series of REST web services for various AAA Mobile Apps.

·               Leading the design and development of the food online ordering network utilizing JSF, RichFace, spring framework, Tomcat, and MySQL.

·               Leading the design and development of web-based Behavioral Support Information System (BSIS), to manage the patient, referral source, funding source, and onsite service provider’s information, and to electronically process the medical data of onsite services, utilizing struts, tiles, JSP, spring framework, and Hibernate.

·               Designing and developing the common restaurant online order system, the common E-Store, the common E-Store Administration system, the content management system for magazine and news websites, using JSP, Struts, spring framework, and Hibernate.       

·               Leading and participating the development of more than 15 critical features across 6 major releases of the telecommunication billing system -- Atlys, which served Tier-1 telecommunication carriers such as AT&T and VIVO, generated bills for more than 20 million subscribers

·               Accumulated tremendous amount of knowledge in JavaEE, SOA, EA Modeling, Design Patterns, Client/Server, relational database, script programming, web programming, JSF, Spring, Struts and Hibernate, and Web Services

·               Holding a Master’s degree in Computer Science from Florida State University coupled with a Master’s degree in MIS from Tianjin University

 

Architect / Software Development Engineer IV, Cambia Healthcare 2012 ---- present

 

Cambia Enterprise Architect Group

·               As a member of the Cambia enterprise architect group, participated in the enterprise level tool and platform evaluations and selections, high level architecture design and reviews, projects estimates, and best practices in design and development.

·               Participated in creating and updating the Edifecs Reference Implementation Guide, which defines the design patterns, use cases, and the best practices in the development based on Edifecs, which is the core platform of Cambia’s EDI systems.

·               Led the cross team efforts to define the source control, build release, and test automation processes for the Edifecs platform.

 

Federal and State Exchanges

·               Led the design and development of 12 new processes for EDI premium remittance and enrollment to support the Federal and State Exchanges for Washington, Oregon, Idaho, and Utah states.

·               Delivered all of the Exchange deliverables on time, on budget, with ZERO defect

 

Premium Payment Reporting System Redesign - Terminator Award!

·               Led the reverse engineering and the redesign of a legacy COBOL based process. Converted the 25K+ line code (written in COBOL, Syncsort, and shell script) project to 6 light weighted Edifecs routes and less than 2500 lines of Java code.

·               Designed the high level architecture and detailed level logic flows for major Edifecs routes. Implemented the critical modules such as Sub-report information generator route, billing extract manager, member data retriever, and various caches.

·               Converted the scheduled process to a real time process. Also reduced the average processing time from 2 hours to 5 minutes! Reduced the usage of 6 AIX servers and various software licenses. Saved about 1000 support hours every year.

·               Won Cambia’s Terminator Award!

 

Claim Payment Remittance SLA

·               Led the design and development of the Claim Payment Remittance SLA project to meet the CAQH CORE Rule 370. The project cost over 2000 development hours with the cross transaction efforts from 3 agile teams.

·               Designed the high level architecture. Utilizing Divide-and-Conquer methodology, greatly simplified the high level architecture from one centralized and over-complicated process to multiple loosely coupled small processes.

·               Utilizing the Edifecs Data Storage and timer components, separated the low priority SLA process from the high priority main EDI transformation process and minimized the performance impact to main process.

·               Implemented the critical Edifecs routes. Defined the algorithm to resolve the tricky file delivery timestamp catching issue.

 

Cache, Performance Improvement

·               Invented Java-based caching mechanism that works seamlessly with the Edifecs framework, to store and share information across different Edifecs routes, Maps, and other components.

·               The cache is being rapidly adopted in different Edifecs processes, greatly reduces the number of database queries, and shortens the processing time of different processes by 50% to 95%!

·               Eliminated or reduced the database traffic to the central claims engine databases, which are the performance bottleneck of many systems company wide, in the architecture designs to help improve the responsiveness.

 

Agile, Scrum, TDD, Regression Test Automation

·               Introduced the Test Driven Development to the Middleware Financial Services Agile team. Accomplished over 95% code coverage for all the Java code.

·               Utilizing TestNG, developed a common EDI File Transformation Test tool to automate the regression tests. The tool allows the testers to easily define the test cases, load test data, and run the test suites by clicking a button. All the test data is automatically cleaned up from the databases, Edifecs systems, and file systems after the test run.

·               The EDI File Transformation Test tool has been incorporated into nightly Jenkins jobs to perform over 100 test cases and cover 23 Edifecs processes.

 

Skills/Technologies Utilized: Core Java, Edifecs XEServer/EAM/XEngine/Transaction Manager/HTR, Groovy, Oracle, REST API, JSF, spring, BPEL, Agile, Scrum, Extreme Programming, TDD, Eclipse and IntelliJ, GIT, CVS, Gradle, Linux, AIX.  

 

 

Senior Technical Specialist, AAA National  2010----2012

 

Enterprise Architect Group

·               As a member of AAA national Architect Group, participated in the discussions of the enterprise level architecture issues, including the new project high level design, new technology and development tools evaluation, development processes and best practices, etc.

 

 

Common Services Infrastructure (CSI) based on JBoss

·               Built the Common Services Infrastructure for AAA National Office to provide RESTful web services to handle various Mobile Apps requests from the AAA clubs across the country, utilizing JBoss ESB, JBoss SOA-P server, JBoss Teiid, JPA and Hibernate.

·               Designed the layered architecture for the CSI web services. Designed the DAO layer with the Hibernate Entity Manager. Solved the critical problem of having multiple persistence units in one container.

·               Implemented the CSI Geo App Profile service that handles the REST requests to manage and query the location based AAA club profiles.

·               Reviewed the design and implementation of the CSI Sprint, CSI Digital Roadside, and CSI Territory ID services.

·               Complying with the Test Driven Development processes, built the unit testing framework for CSI web services. The framework can test JPA, ESB, and Teiid virtual database code, and be incorporated into the automatic build process.

·               Built the integration and regression test framework for CSI services, utilizing jMeter. The tests can run against DEV, Staging, and Production servers.

·               Set up the Apache httpd server and load balancer to allow the external access to CSI.

·               Defined the CSI server rolling restart processes to ensure the services uninterrupted during the server restarts.

 

Common Services Infrastructure (CSI) based on WSO2

·               Built the CSI using WSO2’s web services products Enterprise Service Bus, Business Process Server, Data Service Server, Governance Registry, and Business Activity Monitor.

·               Remotely oversaw the development of the club data and club profile features by a group of WSO2 consultants.

·               Built the initial CSI code base and initialized the CSI eclipse projects using Carbon Studio.

·               Set up the service clustering and load balancing on the ESB and DSS level.

·               Significantly improved the CSI performance, reducing the average response time from 60 seconds to 200 milliseconds.

·               Set up and fine tuned the MySQL clusters in DEV, Staging, and Production environments.

·               Led the efforts to package, install, and deploy the CSI to more than 20 Linux servers in DEV, Staging, and Production environments.

 

Telematics Services Platform (TSP)

·               Enhanced the XPath evaluation modules to be able to handle the namespaces in the XML input.

 

Skills/Technologies Utilized: Core Java, JBoss SOA-P Server, JBoss ESB, Hibernate, REST, SOAP, BPEL, Httpd, MySQL Cluster, WSO2 ESB/DSS, BPS/G-Reg/BAM, TDD, JBoss Dev Studio, Eclipse and Carbon Studio, Subversion, Redhat Linux.

 

Architect / Lead Software Developer, IntelliEagle Technologies  2005----2010

 

Food Online Ordering Network 

·               Designed the architecture of the food online ordering network, to provide a simple, fast, convenient way for people to find the local restaurants and make food orders online.

·               Built the multi-tier structure of the system utilizing the Java Server Face and spring framework. Utilized the RichFace to simplify the web page design, style design, and to incorporate AJAX features.

·               Designed the interfaces between the web tier and application layer with a list of spring services.

·               Designed and Implemented the end-to-end core online order processes including the restaurant selection, restaurant information look up, menu loading, shopping cart, order type selection, check out, and order submission to restaurants, interfacing with various third party tools, such as Google Map API, InterFax auto FAX service, FirstData Credit Card Global Gateway, etc.

·               Designed and implemented other core features of the system including the customer management, restaurant registration, online menu management, etc.

 

Skills/Technologies Utilized: Java1.5, RichFace, JSF, HTML, JavaScript, CSS, Spring Framework, Tomcat, MySQL database, Eclipse and NetBean IDEs

 

Behavioral Support Information System 

·               Led the efforts of the system requirement analysis. Performed Use Case analysis with UML.

·               Designed the architecture of the system based on the SOA concepts. Designed the service interfaces. Led the efforts of the data model analysis and design review.

·               Built the system user interface structure using struts and tiles.

·               Led the coding of a list of core features, including job and task assignments and processing, onsite service data submission, billing file generation, etc.

·               Implemented other important features of the system including the funding source management, referral source management, client management, staff management, etc.

 

Skills/Technologies Utilized: Java1.5, Struts, HTML, JavaScript, CSS, Spring Framework, Tomcat, MySQL database, Eclipse and NetBean IDEs

 

Restaurant Point Of Sales (POS) System

·               Performed the system requirement analysis to identify all the features to be included in different releases. Reviewed the mockup demo and gave comments.

·               Led the architecture design of the system. Participated in all the design reviews and gave comments. Led the user interface design.

·               Participated in the coding of both UI layer and the backend service layer.

·               Led the system test and the installation and packaging efforts.

 

Skills/Technologies Utilized: C#.NET express 2008, SQL Server Express, Microsoft Visual Studio

 

Restaurant Online Order Systems

·               Designed the developed of the restaurant online order system, which provides a means for various restaurants to automatically receive the online orders through FAX. The system supports both the pick-up and delivery orders, also supports the cash or credit cards as payment methods

·               Implemented the Online order system to various restaurants’ websites.

·               Designed and implemented the static web pages for various clients, utilizing HTML, CSS, and JSP, utilizing JavaScript to realize the features like background music selection, the time-based banner control, the dynamic menu bar, the image rotations, etc. Experienced in Flash.

 

Common E-Store and Common E-Admin Systems

·               Designed the architecture of the common E-store system based on the Spring framework and Hibernate. The system consists of the customer management, the product management, and the online order components

·               Designed the common E-Admin system that allows the client to manage the contents of the e-store. The main functionality includes category admin, user admin, product admin, and customer admin, etc.

·               Led the development of the common E-store and common E-Admin projects, utilizing JSP, Struts, Spring framework, Tomcat, Hibernate, and MySQL database     

 

Content Management System for the magazine or news websites

·               Designed the Content Management System, which can load the articles from different sources, manage the articles and other contents in database, and dynamically publish the content to web site.

 

 

Senior System Analyst, Convergys Corporation 2004---2005

 

New feature development

·               Utilized external plug-ins to the Core Rating Engine and rate factor qualification mechanism to support the Mobile to Mobile price plans for Cingular, Triton and Dobson customers

·               Led the design and implementation of the Rollover Foundation feature, which allows 10 million existing AT&T subscribers to use the rollover price plans

·               Led the Split Liability feature, which differentiates Atlys as the first billing system that supports the charge splitting between different accounts

 

Price Plan Management System using Web Logic

·               Involved in the requirement changes, high level and detail level designs, and technical support for a list of features in the Price Plan Management system, which defines and maintains various telecommunication price plans for different clients

 

Performance Improvement

·               Reduced the frequent DB access, improved the Core rating engine performance by 20% for the large business accounts, via 4 line code change.

·               Enhanced the group rate factor by introducing the discrete rate factors to reduce the rating time by 10% for any call events that go through the improved rate factors.

 

Skills/Technologies Utilized: C++, Rogue Wave, Java, Perl, Shell Script, Web Logic framework, Tuxedo framework, Unix (Sun Solaris), XML, SCCS, Workshop IDE, Great Circle, Oracle database

 

System Analyst, Convergys Corporation 2001---2003

 

Atlys Core Rating Engine, Cache management

·               Leading a nine developer group with more than 4000 development hours, designed and implemented the critical feature Account Level Service, which fundamentally enhanced the Core Rating Engine to allow the price plans to be assigned to the account instead of the single subscribers.

·               Enhanced the Core Rating engine to support the Bill In Advance recurring charge calculation.

·               Developed a new memory mapping cache, which stores the subscriber’s Flexible Period Included Units information, to avoid the unnecessary DB access in real time rating

·               Improved the existing common subscription cache to provide the purging functionality

·               Participated in the design of various other features related to rating engine such as Included Units Bonus, Loyalty Points, and Large Account Billing.

 

Automated Testing Tools and Frameworks, PAC Award and SEE Award!

·               Participated in the design of a series of Development Automated Regression Testing (DART) tools, which can execute a group of regression and integration test cases in the automatic manner. Utilizing the flexibility of the standard XML interface, enabled DART to sequentially run a list of processes defined in an XML configuration file.

·               As the key member of the DART group, won Convergys PAC (Process Advisory Council) award in 2003.  

·               Researched and experimented the Unit Testing Framework – PFUnit, which standardizes the UT driver programs and, combined with the Private DB schema, makes the UT executions repeatable. Rolled out the framework to three Core development groups.

·               As a key member of the PFUnit group, won Convergys SEE (Spotlight Employee Excellency) award in 2003.

 

XML APIs

·               Designed XML schemas and implemented more than 10 major XML APIs for rating sub-system. The APIs provide various services, including the usage summary and detail inquiries, service use rule validations, estimated charge and tax calculations, as well as the available service and marketing program inquiries

·               Led the XML API backward compatibility and W3C standard compliance efforts in rating sub-system.

 

Web Logic J2EE framework

·               Experienced in BEA’s Web Logic J2EE framework in the issue resolving and maintenance of the Price Plan Management system and Online Self-care system.

 

Skills/Technologies Utilized: C++, Rogue Wave, Java, Perl, Shell Script, Web Logic framework, Tuxedo framework, Unix (Sun Solaris and AIX), XML, SCCS, Workshop IDE, Tuxedo, Great Circle, Oracle

 

MS Graduation Project, Computer Science Department, FSU 2001

 

Network Communication - QOS routing

·               Researched QOS routing theories and algorithms. Focused on the networks with inaccurate global information.

·               Designed the simulators to implement various routing algorithms including ticket-based probing, safety-based routing, and a localized approach.

·               Evaluated different algorithms in dealing with the imprecise global network information in QOS routing.

·               Co-authored the paper "A Comparative Study of Quality of Service Routing Schemes That Tolerate Imprecise State Information" (The paper version published in IEEE IC3N 2002)

 

EDUCATION

 

Master of Science in Computer Science, Florida State University 

Master of Engineering in MIS, Tianjin University

 



Experience

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Job Title

Company

Experience

Architect/Software Development Engineer IV

Cambia Healthcare

- Present

 

Additional Info

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Current Career Level:

Experienced (Non-Manager)

Years of relevant work experience:

10+ to 15 Years

Date of Availability:

Immediately

Work Status:

US - I am authorized to work in this country for any employer.

Active Security Clearance:

None

US Military Service:

Citizenship:

Permanent resident

 

 

Target Job:

Target Job Title:

Software Architect

 

Target Company:

Company Size:

Occupation:

IT/Software Development

·         Enterprise Software Implementation & Consulting

·         General/Other: IT/Software Development

·         Software/System Architecture

 

Target Locations:

Selected Locations:

US-FL-Orlando

Relocate:

Yes

Willingness to travel:

Up to 75% travel