> Markdown version of [/jobs/ext/4262985-developer-iii-c-net](https://www.wearedevelopers.com/jobs/ext/4262985-developer-iii-c-net). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Developer III - C# / .NET

- **Company:** Systemtec, Inc.
- **Location:** Columbia, SC, United States (Remote available)
- **Experience:** Experienced
- **Salary:** $104,728.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Microsoft Windows, Application Programming Interfaces (APIs), Business Logic, C Sharp (Programming Language), Cascading Style Sheets (CSS), Database Development, Database Schema, Software Debugging, Github, Information Technology Operations, Microsoft SQL Server, Windows Servers, Windows PowerShell, Software Engineering, System Testing, Systems Integration, Web Applications, Enterprise Software Applications, Information Technology, Data Management, Web Technologies, Restful APIs, ASP.NET Applications, Servicenow
- **Published:** October 4, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=d4b3063ef38d8c24

## About the Role

* Applicants must be authorized to work for any employer in the U.S. We are unable to provide sponsorship or work with Third-Party agencies.
 * Bachelor's degree in Computer Science, Information Technology, or a related field, or an accepted combination of education and relevant professional experience.
 * Minimum of 4 years of experience in application development, systems testing, or a related discipline.
 * Strong professional experience with C# and .NET development.
 * Experience developing and maintaining web applications using ASP.NET.
 * Strong knowledge of Microsoft SQL Server, including database objects, queries, and data-related development.
 * Proficiency with JavaScript, HTML, and CSS.
 * Demonstrated full-stack development experience with exposure to both application logic and user-facing web technologies.
 * Experience troubleshooting, debugging, testing, deploying, and supporting production applications.
 * Strong analytical, problem-solving, communication, and collaboration skills, with the ability to work effectively with technical and non-technical stakeholders.

Preferred Skills/Experience of the Developer III - C# / .NET:

 * PowerShell scripting and Windows-based automation.
 * ServiceNow development, administration, integrations, or workflow automation.
 * REST API development and system integration.
 * GitHub and source-control practices.
 * Windows Server or enterprise infrastructure experience.
 * Experience with IT operations, workflow automation, incident/change processes, or production support.

## Description

* Analyze requirements and design, develop, test, debug, document, deploy, and maintain enterprise applications and automation solutions.
 * Build and enhance ASP.NET applications, C#/.NET services, database solutions, and system integrations.
 * Develop APIs and automated workflows that improve operational efficiency and integrate enterprise platforms.
 * Investigate production issues, perform root-cause analysis, implement fixes, and coordinate application enhancements and releases.
 * Create technical specifications, test plans, process documentation, workflow diagrams, and other materials supporting the software development lifecycle.
 * Collaborate with infrastructure engineers, operations teams, project stakeholders, compliance personnel, and business partners to identify opportunities for automation and process improvement.