> Markdown version of [/jobs/ext/3863544-systems-software-programmer-advanced](https://www.wearedevelopers.com/jobs/ext/3863544-systems-software-programmer-advanced). 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). --- # Systems Software Programmer - Advanced - **Company:** Intersources Inc. - **Location:** Columbia, SC, United States (Remote available) - **Experience:** Experienced - **Contract:** Temporary to permanent - **Skills:** ASP.NET, .NET Framework, Multitier Architecture, Agile Methodology, Artificial Intelligence, Data Analysis, Applications Architecture, ASP.NET MVC Framework, Unit Testing, Software Bug Management, C Sharp (Programming Language), Cyber Security, Information Technology Consulting, Databases, Custom Software, Database Applications, Web Development, Entity Framework, Design of User Interfaces, Internet Information Services (IIS), Windows Communication Foundation, JQuery, Enterprise Messaging Systems, Microsoft Visual Studio, Microsoft Operating Systems, Microsoft Software, Microsoft SQL Server, Team Foundation Server, Windows Servers, Oracle (Applications), Regression Testing, Cloud Services, Responsive Web Design, Software Engineering, SQL Server Reporting Services, Subsystems, Systems Integration, Web Applications, Web Services, Google Cloud, Performance Testing, Angular Material, Backend, Build Management, AngularJS, Integration Tests, Dynamic Content, Software Coding, Legacy Systems - **Published:** October 22, 2026 - **Apply:** https://www.careerjet.com/job/us02248f046e1b54850169e653e20c27bf/eaa ## About the Role * 3+ years of experience designing and implementing medium to large-scale .NET applications * 3+ years of experience with MS SQL Server (data-driven applications) * 3+ years of experience building web-based applications * N-tier architecture * Dynamic content * Scalable systems * Complex security implementations * 2+ years of experience with: * Microsoft Operating Systems * Application / Web / Database / Messaging systems * 2+ years of experience designing and implementing multiple software components/subsystems Preferred Skills * Experience with Human Services (CAPSS) systems * Experience working in Agile environments * Experience with: * Performance testing * Security testing * Regression testing tools Technical Environment * Microsoft Visual Studio (2019/2022) * C#, ASP.NET, ASP.NET MVC * Angular (PrimeNG), jQuery * MS SQL Server 2016 * IIS / Windows Server * Entity Framework 6 * WCF, SSRS * TFS (Team Foundation Server) * Responsive Web Design Education * Bachelor's Degree or equivalent work experience About US: InterSources Inc. is a Small, Woman, and Minority-Owned Business Enterprise, ISO/IEC 27001, SOC 2 Type 2 certified company with massive 18+ years of diversified experience in providing IT Consulting Services, Artificial Intelligence, Data Analysis, Application Development, Cloud Services, Cybersecurity, Digital Marketing, ERP Management, Custom Software Development, Web Development, UI/ UX Design, System Integration, QA Support etc. We make reasonable accommodations for clients and employees, and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud and Oracle partner company. ## Description * The Department of Social Services (DSS), Division of Technology Services, is responsible for developing and maintaining mission-critical applications. * This role supports Economic Services and Child Care Re-Engineering projects, including the Child Care Services System (CCSS). * The system integrates multiple childcare applications into a unified, modern framework. * The candidate will work on SC Voucher system modernization and integration into CCSS., * Design, develop, and maintain web applications and services using Microsoft technologies. * Work on both UI development and backend web services. * Develop applications using: * C#, ASP.NET, ASP.NET MVC (3+) * .NET Framework * Angular, jQuery, PrimeNG * Perform: * Code development and unit testing * Integration testing and deployment * Source code and build management (TFS) * Maintain and enhance legacy systems and migrate them into CCSS. * Support SC Voucher system: * Enhancements * Bug fixes * Daily operational support * Collaborate with teams on system design and architecture decisions. * Act as backup to Lead Developer when required. * Ensure scalable, secure, and high-performance application development.