Lei Yang Email & Phone Number

Washington D.C. Metro Area

• Lead the design and implementation of the IT Ops Dashboard systems which stage, retrieve and display the real time system metrics data for IT Ops to monitor the throughput in a given time interval for different components in MSRB's Real-time Transaction Reporting System beginning with receiving the trade messages, processing the messages through the business rules and ending with the dissemination of trades to subscribers by using Highcharts, jQuery, WebApi, Windows Service, Oracle, etc. • Lead the design of the custom SFTP clients and processors to load yield curve data from vendors (such as S&P, MBIS, etc.) and display them on MSRB's EMMA web site via Restful API to allow retail investors to view a municipal yield curve to provide a sense of current market pricing and movement for municipal securities by using Highcharts, jQuery, MVC, WebApi, Chilkat API, etc. • Lead the initiative to create and optimize CI/CD pipelines for new projects with the related tools such as JIRA, Git, TeamCity, Octopus Deploy, dotCover, NDepend, Fortify, Docker etc.• Lead the initiative to use Octopus Deploy to configure EC2 and deploy codes to EC2 when working with Accenture to lift & shift MSRB current infrastructure (3 data centers) to AWS• Work with one cloud systems integrator to build a data analytics platform to extract the information contained within Official Statement (“OS”) documents in PDF format to compare the same data points manually keyed and submitted through MSRB Form G-32 by using a set of cloud-native technologies (such as Lambda, Step Functions, Elastic Search, Comprehend, Athena, etc.)• Lead the initiative to create the brand new CI/CD pipelines for any new cloud modernization projects (such as React App, SAM APIs, CDK infrastructure as code, etc) in AWS environment by using AWS CodeCommit, CodePipeline, CodeBuild, CodeArtifact, Lambda, Step Functions, Snyk, etc

Sterling, Virginia

• Lead multiple complex information system design and development with a team of six developers and ensure the success of the enterprise-level application rollouts• Design and develop the Rapid Response System (RRS) WCF web service layer which automatically approve, deny or pending the Chiropractic or Physical/Occupational Therapy pre-authorization requests based on the custom-built rule engine• Lead the implementation of the data integration between RRS WCF web service layer with Angel’s voice recognition system to allow users to enter pre-authorization request through the true voice recognition• Build the data-driven Document Generator as Windows service to generate letters for different health groups, plans, states and medical decisions by using Aspose Word/PDF, Entity Framework, Castle Windsor, etc.• Create the Provider Portal website which allows provider to access clinical information related to authorizations and claims as well as the electronic submission of clinical records for authorizations by using MVC, jQuery, Bootstrap, Entity Framework, etc.• Lead the design of a REST-based service which allows user to conduct Find-a-Practitioner (FAP) searches and enhance the search results to include GEO location data which can be used to plot locations on a map on mobile devices by using WebApi

Reston, Virginia

• Lead the implementation of the web-based eFORMS system to allow sale representatives to price customer’s course enrollment and integrate with Paymetric Data Intercept to get token for the credit card number and Paymetric XiPay Web Services to authorize and settle the credit card transactions by using ASP.Net Web Forms, SSRS and SQL Server 2005• Lead the design of the WinForm application called SPEEC to print the class Certificate, Evaluation and Exam forms, scan and capture the evaluation questionnaire answer data and the attendee’s comments image clips, scan and grade the student’s exams by using Scantron ScanTools Plus Link SDK• Build the extranet application called WebIR to allow instructors to check and enter their schedule, view their scores and rankings by GPA, provide feedback on events and review the course evaluation data and comments as well as the intranet application called EvalViewer to allow internal staff to retrieve the evaluation data and images for data analysis and reporting by using Web Forms, Crystal Reports and SQL Server 2005

Fairfax, Virginia

GE Mortgage Insurance Corporation (GEMIC) - GSE Connectivity System • Lead the requirement analysis, design and development of the GSE Connectivity System, which connects GE internal system to the system-to-system interface of Freddie Mac and Fannie Mae so that users can make requests and receive responses from the GSE’s business services via XML.• Implement the GSE Connectivity System as a Microsoft Windows Service by using C# and integrated with GE applications by using IBM MQSeries (WebSphere MQ) and Oracle 9i.LGXpress B2B System • Participate in the development of C.C. Pace Loan Guaranty eXpress (LGXpress) system, which automates the process of requesting, and receiving, a Loan Guaranty Certificate (LGC) from the Department of Veterans Affairs (VA) Electronic Data Interchange (EDI) system by applying J2EE architecture (EJB, Servlet, JSP etc).• Implement Business-to-Business (B2B) integration between a Loan Origination System (LOS) and the LGXpressTM as a service-oriented architecture by using XML-RPC.Credit Suisse First Boston (CSFB) Workflow System • Design, develop and unit-test the Request Tracking web-based workflow application for CSFB by using ASP and ActionWorks APIs and COM objects.• Provide other workflow development and support (Small Balance workflow, Core workflow, third party securitization workflows).

Master'S Degree, Mechanical Engineering

Bachelor'S Degree, Computer Science & Engineering Mechanics