Technology Portfolio

Five Decades of Technical Evolution

Mainframes • Client/Server • Web Applications • Cloud

Technology Journey

A distinguishing characteristic of this career is direct experience across nearly every major era of enterprise computing, from centralized mainframe systems of the 1970s through modern cloud-native software development platforms.

Technology Evolution Timeline

1970s	Mainframe Operations • Burroughs Systems • Batch Processing
1980s	Banking Systems • COBOL • Financial Applications
1990s	C • C++ • Client Server • Transportation Logistics • Oracle
2000s	.NET • ASP.NET • SQL Server • Web Services • XML
2010s	C# • MVC • REST • Enterprise Web Applications
2020s	.NET Core • Azure • React • GraphQL • Cloud Development

Programming Languages

2002 - Present

Primary modern development language used across healthcare, financial, government and enterprise applications.

1980s - 2000s

COBOL

Financial services, criminal justice, student loan processing and enterprise systems.

1990s - Present

C / C++

Transportation, systems software, testing and infrastructure.

2000s - Present

JavaScript

Web applications, APIs, modern browser solutions.

Frameworks & Platforms

.NET .NET Core ASP.NET MVC Razor Blazor React Next.js Node.js GraphQL REST APIs SOAP

Database Technologies

SQL Server Azure SQL Oracle DB2 IMS VSAM Informix Sybase MySQL

Cloud & Modern Development

Azure Azure DevOps Git Bitbucket Swagger Postman PowerShell

Enterprise Platforms

IBM MVS z/OS CICS TSO/ISPF JCL HP MPE HP-UX AS/400 Windows Server

Methodologies

SDLC Agile Scrum OOA/D RUP SOA System Integration Architecture Testing

Technology Applied Across Industries

Financial Services

Healthcare

Criminal Justice

Telecommunications

Transportation Logistics

Government