SUMMARY:

• .NET experience from .NET 1.1 through .NET 4.6. In addition, he is highly proficient in Angular and TypeScript. He also TEMPhas expertise in Python. William TEMPhas extensive experience wif Microsoft Azure cloud. He TEMPhas in - depth knowledge in advanced .NET programming techniques including multithreads, thread dump analysis, effective resource management, and memory garbage collection.
• Wif over 20 years professional career in teh United States and Canada, Mr. Ying TEMPhas expertise in application architecture and extensive experience in system development life cycle (SDLC). He is very strong in object-oriented analysis and design. William also TEMPhas strong database design and development experience.
• Completed every release on schedule at Ontario Ministry of Transportation. Played multiple roles including technical lead, designer, developer, mentor, and deployment coordinator. Communicated wif clients from different ministries at Government of Ontario through JAD sessions to gather requirements. Traveled to non-local client sites to meet teh clients in person in order to understand clients’ expectations thoroughly.
• Architected, designed, and developed a SOX and Bill C-198 compliant application wif full software development life cycle (SDLC) at Cogeco Cable. Seamlessly integrated teh .NET application wif existing classic ASP system. Tasks also included architecture and design documents, technical specifications, implementation instructions, and user documents.
• Architected and designed CanDo Networks’ FileCourier application servers, and modeled database schema, from a minimal requirement of delivering unlimited size files securely through email. Tasks included requirement collection, functional specifications, architecture and design documents, administration of Microsoft SQL Server, and development of teh core services.
• Architected and designed a solution at Bank of America to smoothly merge two completely independent banking systems under a tight schedule. Saved additional time and resources initially demanded for teh project. ed exceptional performance for this outstanding and consistently exceeding expectations.

TECHNICAL SKILLS:

Development Processes: Scrum, MSF for Agile, Extreme Programming, and Rational Unified Process

Operating Systems: Windows Server 2016, Windows 10, Red Hat Enterprise Linux, AIX, Solaris, and IBM VM/CMS

Programming Languages: Python, TypeScript, C#, VB.NET, Java, VB Script, C++, C, REXX, and COBOL

Databases: Oracle (PL/SQL), Microsoft SQL Server (T-SQL), IBM DB2 UDB, Sybase, and Informix

PROFESSIONAL EXPERIENCE:

Confidential

Contractor, Consultant

Responsibilities:

• Architect, design, and develop a web-based portfolio analysis tool wif microservices architecture for Capital Market, Risk & Strategies, and Treasury at Ontario Teachers’ Pension Plan (OTPP), to evaluate teh impacts of market scenarios and investment strategy. Reduced teh analysis simulation time from hours to minutes. Study teh feasibility of running teh application in cloud through Azure Docker Registry and Azure Kubernetes Service. Analysis large quantity of financial data using in-house models for trading, managing portfolios, and monitoring/measuring teh risks. Build an application to import Bloomberg market data along wif OTPP trade data to SunGard RiskBox on daily basis, to assess teh risk exposures of public holdings. Design methodologies are UML, design patterns, and E/R model. Development process is Scrum.
• Work wif development environments including Angular 6 through Angular 9, Python, TypeScript, C#, Pandas, Dask, Numpy, Bootstrap 4, Ngrx, Rxjs, Angular Material, Visual Studio Code, PyCharm, Visual Studio 2015/2017, Confluence, Flask, cx Oracle, aiohttp, asyncio, pytest, Nginx, SignalR, ASP.NET Core, Kestrel Web Server, Restful API, Redis, Github, Jenkins, Jira, PL/SQL, and Oracle 11g.

Confidential

Contractor, Consultant

Responsibilities:

• Designed, developed, and maintained various multi-tier large scale applications at Government of Ontario. Developed public facing Source Ontario Supply Search website wif full WCAG compliance. Increased Compliance Sheriff Score of teh website from less TEMPthan 60% to over 90%. Design methodologies were UML, design patterns, and E/R model. Development process was MFS for Agile.
• Provided detailed documentations to business and technical teams including analyses, requests for changes, recommendations, estimations, functional and technical specs, design documents, testing acceptance criteria, and deployment instructions.
• Worked in development environments including C#, VB.NET, Visio, LINQ, ADO.NET (Entity Framework), ASP.NET, Web API, WCF, WPF, ReSharper, Restful API, SharePoint 2010/2013, SQL Server Reporting Services (SSRS), SQL Server Integration Services (SSIS), Crystal Reports, BizTalk, Microsoft Team Foundation Server, Visual Studio Online, Transact-SQL, and Microsoft SQL Server 2008/2012.

Confidential

Senior Database/Web Developer, Business Analyst

Responsibilities:

• Architected, designed and developed various publishing and advertising applications for North American publishers. Design methodologies were UML, design patterns, and E/R model.
• Conducted business analysis from user requirements. Documented varying levels of details in business process flows. Developed use cases.
• Worked in development environments including C#, Visio, LINQ, ADO.NET (Entity Framework), .NET Security (Cryptography), ASP.NET, WCF, WPF, SharePoint, Google Docs API, Google Custom Search API, Facebook Graph API, LinkedIn Restful API, PDF (iTextSharp), Java, HtmlUnit, Microsoft Team Foundation Server, Visual SourceSafe, Transact-SQL, and Microsoft SQL Server.

Confidential

Contractor, Technical Lead

Responsibilities:

• Architected, designed and developed various cash management and customer relationship management (CRM) applications. Design methodologies were UML, design patterns, and E/R model.
• Provided architecture and design documents, technical specifications, testing acceptance criteria, implementation instructions, and user documents.
• Worked in development environments including VB.NET, VB 6, Visio, ADO.NET, ASP.NET, WPF, AJAX, Web Services, Classic ASP, SQL Server Reporting Services (SSRS), SharePoint, .NET Security (Cryptography), Oracle Security (Obfuscation), Visual Studio 2005/2008, TOAD, Visual SourceSafe, PL/SQL, Transact-SQL, Oracle, and Microsoft SQL Server.

Confidential

Contractor, Consultant

Responsibilities:

• Designed and developed customized retail banking systems. Design methodologies were UML and design patterns. Development process was Rational Unified Process.
• Worked in development environments including C#, C++, Web Services, SharePoint, Visio, ADO.NET, ASP.NET, Visual Studio.NET, PVCS, SQL, and IBM DB2 UDB.

Confidential

Software Developer

Responsibilities:

• Designed, developed, and maintained Morningstar online portfolio management systems. Design methodologies were UML, design patterns, and E/R model.
• Worked in development environments including C#, Java, VB Script, Visual C++, Web Services, Visio, Eclipse, ASP.NET, Classic ASP, ADO.NET, XSLT, XML Spy, Visual SourceSafe, Transact-SQL, and Microsoft SQL Server.

Confidential, Richmond Hill, ON

Contractor, Software Architect

Responsibilities:

• Architected, designed, and developed a HIPAA and PIPEDA compliant system from a minimal requirement of delivering unlimited size files securely via email. Design methodologies were UML, design patterns, and E/R Model. Development process was Extreme Programming.
• Worked in development environments including C#, Web Services, Visio, ADO.NET, ASP.NET, Microsoft Message Queue (MSMQ), Smart Client, .NET Security (CAS - Code Access Security), MIME, Visual SourceSafe, Transact-SQL, and Microsoft SQL Server.

Confidential, San Francisco, CA

Senior Systems Engineer

Responsibilities:

• Designed, developed, and maintained an online scheduling system for home repair. Design methodologies were UML and design patterns.
• Worked in development environments including Java, Rational Rose, Forte, NetBeans, J2EE, WebLogic, JMS, EJB, JDBC, PVCS, PL/SQL, and Oracle.

Confidential

Senior Software Engineer

Responsibilities:

• Architected, designed and developed various sub-systems of a complex multi-node, multi-tier, cross firewall electronic direct marketing system. Design methodologies were UML and design patterns. Development process was Extreme Programming.
• Led a development team to port Kana CRM system from Windows to AIX. Completed teh project two months ahead of schedule.
• Experienced wif Sun Microsystems Solaris and IBM AIX administration.
• Worked in development environments including Java, VisualCafé, Sockets, J2EE, JDBC, Java RMI, Rational Rose, ClearCase, PL/SQL, and Oracle.