Senior .NET Full-Stack Developer: SQL, APIs & Modernization

VSG Business Solutions LLC; Des Moines (IA); On-site; USD 95,000 - 130,000; Full time

Job summary

Iowa Department of Health and Human Services (HHS) is seeking a Senior Full Stack .NET Developer to support, maintain, and enhance mission-critical applications across child welfare, healthcare, and statewide programs. The role covers front-end, middleware, backend services, SQL Server, and SSRS reporting.

The ideal candidate will have strong .NET development experience, advanced SQL Server skills, and the ability to collaborate with stakeholders while modernizing legacy solutions.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
• 5+ years of experience developing applications using: C#, .NET Framework, ASP.NET / ASP.NET Core.
• Advanced SQL Server experience, including: Database design, Stored procedures, Query optimization, Performance tuning.
• Experience creating and supporting SSRS reports.
• Experience developing and consuming REST and/or SOAP services.
• Experience working with Azure DevOps.
• Experience supporting enterprise production applications.
• Experience working across multiple layers of an application, including front end, middleware, and backend services.
• Knowledge of accessibility standards and accessibility remediation practices.

Responsibilities

• Develop, enhance, and support enterprise applications using C# and ASP.NET/.NET technologies.
• Design, build, and maintain backend services, APIs, and middleware integrations.
• Create, modify, and troubleshoot SSRS reports supporting business operations.
• Design, optimize, and maintain SQL Server databases, stored procedures, and queries.
• Analyze and resolve complex production issues across multiple applications and environments.
• Support front-end application updates and enhancements as needed.
• Modernize legacy applications and reduce technical debt.
• Manage source control, deployments, and CI/CD processes using Azure DevOps.
• Ensure applications meet established accessibility requirements and compliance standards.
• Collaborate with business stakeholders, analysts, QA teams, and technical staff to deliver reliable and secure solutions.

Skills

Full-stack development

Team collaboration

Problem solving

Education

Bachelor's degree in Computer Science or related field

Tools

C#

.NET Framework

ASP.NET Core

SQL Server

SSRS

REST/SOAP APIs

Azure DevOps

HTML/CSS/JavaScript

Angular

GitHub

AWS

Job description

Iowa Department of Health and Human Services (HHS) is seeking a Senior Full Stack .NET Developer to support, maintain, and enhance mission-critical applications across child welfare, healthcare, and statewide programs. The role covers front-end, middleware, backend services, SQL Server, and SSRS reporting.

The ideal candidate will have strong .NET development experience, advanced SQL Server skills, and the ability to collaborate with stakeholders while modernizing legacy solutions.