Cody J. Mathis

Senior Software Engineer | Freelance / Self Employed

• Built and modernized desktop and web applications for clients using C# and .NET.
• Designed and optimized SQL Server and Postgres databases both cloud based and on premises.
• Integrated APIs and vendor systems to streamline client operations across on‑prem and cloud platforms.
• Implemented performance, security, and monitoring practices for mission‑critical applications.
• Delivered clear technical documentation and maintained code with Git for reliable client handoff.

Lead Software Engineer | Carroll Electric Cooperative Corporation

• Developed new desktop and web applications using C# and .NET.
• Utilized modern frameworks and technologies including .NET, .NET Core, Blazor, and Entity Framework.
• Maintained legacy ASP.NET, Web Forms, and Windows Forms applications while adopting current technologies.
• Designed, tested, and deployed new database schemas for Oracle and Microsoft SQL Server.
• Delegated and mentored internal developers and consultants to achieve business goals.
• Monitored performance and security of mission‑critical database services locally and on cloud platforms.
• Developed and optimized database schemas and application queries to ensure performance and uptime.
• Built services to interoperate with vendor applications throughout the organization.
• Designed and developed reporting tools using SQL and PL/SQL in addition to the Power BI platform.
• Built ETL pipelines to integrate Oracle and SQL Server data across various cloud platforms.
• Utilized SSIS for ETL processes between source and target platforms.
• Led API integrations of utility metering software and core billing software.
• Created end‑user and technical documentation for IT support personnel.
• Used Git (and previously TFS) for source control.

IT Helpdesk Operator | Carroll Electric Cooperative Corporation

• Monitored daily operation of IT systems and services to ensure optimal performance and security.
• Provided technical support for 300+ company employees.
• Collaborated with team members to develop and implement solutions for recurring technical issues.
• Performed routine PC hardware and software upgrades.
• Documented and tracked support requests using a ticketing system to ensure timely resolution and follow‑up.
• Conducted regular maintenance and health checks for optimal system performance.

Desktop Development

C#, WinForms, Entity Framework, Entity Framework Core, Windows Services

Web Development

C#, Web Forms, ASP.NET Core, .NET, Blazor, Entity Framework Core, HTML, CSS, JavaScript

Databases

Microsoft SQL Server, Oracle, PL/SQL, SQL, Database Design, Query Tuning, Server Administration

Libraries

DevExpress Components, Telerik UI, Bootstrap, Entity Framework / EF Core