Brian Matz
@brianmatz
Senior full‑stack .NET engineer specializing in enterprise modernization and reliable systems.
What I'm looking for
I am a Senior Software Engineer with 20+ years delivering and modernizing enterprise applications across the Microsoft stack. I focus on full‑stack .NET development, building RESTful APIs, and integrating with SQL Server and Oracle to maintain high‑reliability production systems.
I have a track record of modernizing legacy environments into stable, supportable solutions, including payment automation and ACH processing systems handling >$1M/day. I design and implement backend services, Windows services, and enterprise web applications while producing technical documentation and CI/CD support.
My technical strengths include C#, .NET (Core and Framework), ASP.NET/Core MVC, Entity Framework, nHibernate, JavaScript, React, and a range of DevOps and source control tools like Git, Azure DevOps, TFS, and Jenkins. I also have experience with reporting, integration formats (JSON, XML), and multiple databases including Microsoft SQL Server and Oracle.
I am pragmatic, delivery‑focused, and experienced in both hands‑on development and architecture for legacy modernization, automation of business workflows, and maintaining mission‑critical systems with operational consistency.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Charter / Spectrum Communications
Feb 2022 - Oct 2025 (3 years 8 months)
Delivered full-stack design and development for an internal Nexus enterprise solution using .NET Core 8, improving feature delivery and stability for customer-facing systems.
Senior Software Engineer
Amtrust Financial / The Amynta Group
Jan 2015 - Feb 2022 (7 years 1 month)
Maintained and modernized enterprise ASP.NET applications and services; designed and implemented an ACH processing system handling over $1M daily and automated vendor payments to improve operational efficiency.
Software Engineer
Dimension Technology Solutions
Mar 2014 - Dec 2014 (9 months)
Maintained and enhanced on-site and hosted BPM and performance maintenance software using ASP.NET, C#, MVC, and nHibernate while supporting CI workflows with Jenkins.
Lead Software Engineer
Fetter Logic
Jul 2013 - Mar 2014 (8 months)
Led development and enhancements for an enterprise SaaS used by financial clients, delivering features with C#, ASP.NET, Entity Framework, MVC, and SQL Server.
Contract Software Engineer
Frederic Printing
May 2013 - Jul 2013 (2 months)
Developed internal and external integrations for enterprise systems, delivering solutions from minimal to complete requirements using C#, ASP.NET, and jQuery.
Software Engineer
Ascend Clinical
May 2012 - Apr 2013 (11 months)
Maintained and expanded a high-availability medical enterprise web application, delivering services and enhancements using C#, ASP.NET MVC, Windows Services, and SQL.
Senior Android App Engineer
Blue Modus
Dec 2011 - Mar 2012 (3 months)
Developed an Android version of an iPhone app, integrating with REST services and storing device data in SQLite while ensuring consistent UI across devices.
Contract Developer
M2M Data Corporation
Dec 2010 - Mar 2011 (3 months)
Built a template system to modernize a Classic ASP enterprise app to ASP.NET with zero downtime and wrote complex SQL Server stored procedures and functions.
Contract Developer
Mentis Technologies
Sep 2010 - Oct 2010 (1 month)
Developed custom .NET and client-side JavaScript controls for enterprise-class applications to meet specific product requirements.
Contract Developer
DLS Systems
Dec 2009 - Sep 2010 (9 months)
Developed and maintained the STARS web application using C#, ASP.NET, and MS SQL Server; contracted initially short-term and retained long-term for delivery performance.
Software Engineer
ONEWARE, Inc
May 2008 - Aug 2009 (1 year 3 months)
Implemented a new ExtJS presentation layer and built a C# utility to auto-generate presentation-layer script modules while supporting server-side VB.NET and ASP.NET components.
Senior Developer
Profitool, Inc.
Aug 2007 - May 2008 (9 months)
Built a WinForms .NET 3.0 desktop application and companion ASP.NET Web Service, owning analysis, design, and documentation across a 3-tier solution using LINQ and SQL Server.
Contract Developer
Verizon, Inc
Feb 2007 - Aug 2007 (6 months)
Migrated a legacy C++ internal system to a web solution using C# and ASP.NET, and produced documentation for new and existing processes within a large team.
Contract Developer
SRCLABS, Inc
Mar 2006 - Feb 2007 (11 months)
Built and enhanced web applications for high-volume, speed-sensitive data manipulation in SQL Server and integrated PayPal for on-demand purchases of data lists.
Software Developer
ToolCASE, LLC
Apr 2005 - Jan 2006 (9 months)
Designed, developed, and maintained the TaskManager product for banking clients using ASP, XML, JavaScript, and C#, and provided client support and enhancements.
Software Engineer
Lion, Inc.
Oct 2004 - Apr 2005 (6 months)
Converted a main web application from Classic ASP to ASP.NET (C#), working across Visual Studio versions and a SQL Server 2000 backend in a collaborative team.
Internet Application Developer
Environmental Support Solutions
Jun 1998 - Jul 2004 (6 years 1 month)
Progressed to Application Developer and converted desktop OSHA compliance products into web applications, integrated Crystal Reports, and automated FTP ingestion workflows.
Education
Degrees, certifications, and relevant coursework
Barnes Business College
Associate of Arts, Business Accounting
1994 - 1995
Completed an Associate of Arts in Business Accounting focused on foundational accounting and business coursework.
Availability
Location
Authorized to work in
Job categories
Skills
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