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Senior .NET Developer

Info Origin Inc.Madison, WI🇺🇸United StatesPosted Oct 5, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Madison, WI, United States
Posted
19 hours ago
SQLSQL ServerBootstrapC#.NETASP.NETJavaScriptPower BIRESTTypeScript

Job Description

Job Title: Senior .NET Developer

Location: Wisconsin (Local Candidates Only)
Job Type: Contract
Duration: Long-Term

Job Summary

We are seeking an experienced Senior .NET Developer to support and enhance enterprise web applications in a fast-paced environment. The ideal candidate will have strong experience in full-stack .NET development, application support, SQL development, API integration, and reporting solutions.

This role involves both new development and ongoing support of mission-critical business applications, requiring strong troubleshooting, debugging, and communication skills.

Required Skills

  • C#
  • .NET Framework
  • ASP.NET
  • ASP.NET MVC
  • .NET Core
  • SQL Server
  • Stored Procedures
  • SSRS Reporting
  • JavaScript
  • TypeScript
  • Bootstrap
  • REST APIs / Web Services
  • Application Support & Troubleshooting

Responsibilities

  • Design, develop, maintain, and support web-based applications using .NET technologies.
  • Perform front-end and back-end development for enterprise applications.
  • Develop and maintain REST APIs and web services.
  • Create, modify, and support SSRS reports.
  • Write and optimize SQL queries, stored procedures, and database objects.
  • Troubleshoot and resolve production issues.
  • Participate in application testing, documentation, and deployment activities.
  • Collaborate with business and technical teams to implement enhancements.
  • Follow secure software development and SDLC best practices.

Preferred Qualifications

  • Experience with Kendo UI
  • Experience with Power BI
  • Knowledge of DevSecOps practices
  • Experience with secure coding standards and vulnerability remediation
  • Previous government or large enterprise project experience

Required Experience

  • 7+ years of .NET Development experience
  • Strong hands-on experience with ASP.NET MVC and .NET Core
  • Experience developing Web APIs
  • Strong SQL Server and SSRS Reporting experience
  • Experience supporting production applications

What We're Looking For

✔ Strong Full Stack .NET Developer
✔ Hands-on Application Support Experience
✔ SQL & SSRS Reporting Expertise
✔ API Development Experience
✔ Excellent Troubleshooting Skills
✔ Local Wisconsin Candidates Only

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