Senior .NET Application Developer

Location: Des Moines, IA
Work Model: Hybrid
Employment Type: Contract (12 Months)
Worker Type: W2 Only

Job Summary

We are seeking an experienced Senior .NET Application Developer to support the design, development, and enhancement of enterprise-level applications. The ideal candidate will have deep expertise in the Microsoft technology stack, DevOps automation, application security, CI/CD, and SQL Server development. This role will focus on building secure, scalable, and high-performance applications while driving continuous improvement across the software development lifecycle.

Required Qualifications

• High School Diploma or equivalent.

• 8+ years of experience developing applications using C#, ASP.NET, ASP.NET MVC, and .NET Core.

• 8+ years of experience implementing secure coding practices, including:

  • Secure coding standards

  • Static code analysis

  • Data protection

  • Encryption

• 8+ years of experience with Microsoft SQL Server and T-SQL.

• 5+ years of experience with:

  • Azure DevOps

  • Git

  • GitHub Enterprise

  • GitHub Actions

  • CI/CD Pipelines

• 5+ years of experience with:

  • Automated Testing

  • Test-Driven Development (TDD)

  • Technical Documentation

  • Gated Deployments

• 5+ years of experience with source control management, code branching, merging strategies, and release management.

• 4+ years of experience using automated code quality and security scanning tools.

Preferred Qualifications

• Experience leading enterprise DevOps initiatives.

• Experience automating software build and deployment processes.

• Experience managing technical debt and driving continuous improvement initiatives.

• Experience supporting enterprise data collection and reporting applications.

• Experience working with cross-functional Agile teams.

• Experience with cloud technologies and modern software delivery practices.

Key Responsibilities

• Design, develop, and maintain enterprise applications using C#, ASP.NET MVC, and .NET Core.

• Design and implement scalable DevOps processes for enterprise application delivery.

• Lead CI/CD implementation and automation initiatives.

• Manage source control repositories using GitHub Enterprise and Azure DevOps.

• Build and maintain automated deployment pipelines.

• Improve software quality through automated testing, code reviews, and security scanning.

• Implement secure coding standards and application security best practices.

• Optimize branching, merging, and release management strategies.

• Identify and reduce technical debt while improving application maintainability.

• Enhance unit testing and integration testing coverage.

• Develop complex business logic using structured development patterns.

• Collaborate with cross-functional teams to deliver secure, reliable, and scalable software solutions.

Required Technical Skills

• C#

• ASP.NET

• ASP.NET MVC

• .NET Core

• Microsoft SQL Server

• T-SQL

• Azure DevOps

• Git

• GitHub Enterprise

• GitHub Actions

• CI/CD Pipelines

• Secure Coding

• Static Code Analysis

• Data Protection & Encryption

• Test-Driven Development (TDD)

• Automated Testing

• Code Quality Tools

• Source Control

• Branching & Merging

• Release Management

Preferred Skills

• Enterprise DevOps

• Cloud Technologies

• Build & Release Automation

• Technical Debt Management

• Software Delivery Optimization

• Agile/Scrum

• Large-Scale Enterprise Applications

Ideal Candidate

The ideal candidate is a seasoned Microsoft technology professional with strong experience delivering enterprise-grade applications using modern .NET technologies and DevOps practices. They should possess expertise in secure software development, CI/CD automation, SQL Server, and cloud-enabled software delivery while collaborating effectively across cross-functional teams.

Why Join This Opportunity?

• Work on mission-critical enterprise applications.

• Drive DevOps modernization and CI/CD transformation.

• Contribute to secure, scalable, and high-performance software solutions.

• Collaborate with experienced engineering and DevOps teams.

• Opportunity to influence software quality, automation, and development standards.