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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 - **Salary:** $61,721.0 - $86,176.0 - **Contract:** Temporary to permanent - **Skills:** Testing (Software), ASP.NET, HTML, Java (Programming Language), .NET Framework, Artificial Intelligence, Data Analysis, Apache Tomcat, C Sharp (Programming Language), Cascading Style Sheets (CSS), Software Documentation, Code Review, Cyber Security, Information Systems, Information Technology Consulting, Computer Engineering, System Configuration, Custom Software, Software Debugging, Web Development, Disaster Recovery, Design of User Interfaces, Microsoft Office, Oracle (Applications), Cloud Services, Software Engineering, SQL Stored Procedures, Data Streaming, Systems Integration, Technical Data Management Systems, Google Cloud, Sql Optimization, Software Security, Software Troubleshooting, Information Technology, Legacy Systems - **Published:** August 13, 2026 - **Apply:** https://www.careerjet.com/job/uscaf89d02b427512b26e8dafdb273c911/eaa ## About the Role * 8+ years of experience working on government IT projects as a software developer or software engineer * 8+ years of experience building and optimizing SQL statements and stored procedures * 3+ years of experience supporting Water Quality / Water Safety Information Systems, preferably in a government environment * Strong working knowledge of: * ASP.NET * .NET * C# * HTML * CSS Preferred / Nice-to-Have Skills * Experience implementing, configuring, or supporting: * SDWIS * Water Quality Exchange (WQX) * SWIFT * DW-SFTIES * Experience with Apache Tomcat and Java * Experience collaborating with the Environmental Protection Agency (EPA) * Experience using service/help desk ticketing platforms * Proficiency with Microsoft Office products, * Strong understanding of the Software Development Life Cycle (SDLC) * Demonstrated software troubleshooting and analytical skills * Experience maintaining and upgrading legacy systems * Knowledge of software security standards and best practices * Ability to analyze and organize complex technical data * Leadership experience or ability to guide technical teams * Strong verbal and written English communication skills * Creative problem-solving mindset with willingness to learn new technologies Required Education * Bachelor's degree in Computer Science, Computer Engineering, or a related field * Relevant experience may substitute for the degree on a year-for-year basis 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 * Design, develop, enhance, and maintain applications supporting Bureau of Water programs * Perform manual and automated testing to ensure application reliability and performance * Troubleshoot, debug, and resolve application issues reported via service desk tickets * Collaborate with business users, analysts, vendors, and technical teams to gather and refine requirements * Participate in code reviews and mentor junior developers * Support data and application migration efforts, including identifying dependencies and data flows * Modify applications and support deployment activities during migration * Create and maintain system documentation, including disaster recovery and continuity plans * Adhere to DES and Office of Technology security standards to protect sensitive data * Communicate effectively across technical and non-technical stakeholders ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Grappling With Clunky Old Software? 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