> Markdown version of [/jobs/ext/4361166-net-senior-iv-engineer-opportunity](https://www.wearedevelopers.com/jobs/ext/4361166-net-senior-iv-engineer-opportunity). 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). --- # NET Senior (IV) Engineer Opportunity - **Company:** Intersources Inc. - **Location:** Madison, United States (Remote available) - **Experience:** Expert - **Salary:** $187,200.0 - **Contract:** Temporary to permanent - **Skills:** ASP.NET, C (Programming Language), JavaScript (Programming Language), .NET Framework, Automation of Tests, Bootstrap (Software), C Sharp (Programming Language), Relational Databases, Software Debugging, Github, Microsoft SQL Server, Model View Controller (MVC), Software Maintenance, Power BI, Secure Coding, Software Engineering, SQL Stored Procedures, SQL Databases, SQL Server Reporting Services, TypeScript, Software Vulnerability Management, Web Applications, Web Services, Scripting, .NET Core, Backend, Performance Monitor, Kendo Ui, Front End Software Development, Devsecops, Web Api, Programming Languages - **Published:** October 6, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/33199962#/jobs/33199962 ## About the Role * Development and support of web-based applications using .NET, ASP.NET, MVC, and .NET Core (5-8+ years). * Supported programming languages, including C#, C, and Bootstrap (5-8+ years); C++ is also identified in the client description. * Supported scripting languages, including TypeScript and JavaScript (5-8+ years). * ASP.NET and SSRS reporting (5-8+ years). * Front-end and back-end development of web applications and web APIs (web services) (5-8+ years). * SQL back-end and stored procedure experience (5-8+ years); SQL Server and relational database experience. * Knowledge of secure software development frameworks, including NIST 800-218 SSDF and ISO 27034, to ensure secure and compliant systems. * Excellent verbal and written communication, judgment, and diplomacy. * Bachelor's or associate degree in an area of specialty, or 5-8+ years of experience in the field or a related area. NICE TO HAVE SKILLS * Experience with Kendo UI Controls (5-8+ years). * Experience with Power BI (5-8+ years). ## Description * START / END: November 2, 2026 to June 30, 2027, with possibility of extension. The state cannot post any job beyond the end of the current fiscal year, so while many jobs could run for multiple years, their initial posted end dates are capped at June 30 and require renewal. * CLIENT LOCATION: 5830 Femrite Drive, Madison, WI 53718, United States. * 100% remote work * POSITIONS / SCHEDULE: Two positions; 40 hours/week; day shift, 8:00 AM-4:30 PM. Occasional evening or weekend work (potentially twice a month); this is not an on-call position. * 2 positions however; has to be someone currently in WI [valid license and/or work history for WI based clients])., The Certified Microsoft .NET Web Developer IV is responsible for day-to-day maintenance of applications and support for business requests. The person in this role will manage integrations. This project requires knowledge of full stack development. This is an application support position. * Design, develop, and implement web-based applications using the .NET framework to support business requirements, including ASP.NET, MVC, .NET Core, C#, C++, C, Bootstrap, TypeScript, and JavaScript. * Follows approved life cycle methodologies, creates documentation, and performs application coding and testing. Resolves technical issues through debugging, research, and investigation. * Implementing or using security controls directly into the software development lifecycle, including GitHub Advanced Security. * Experience ensuring enforcement and advancement of security and DevSecOps standards through secure development practices, vulnerability remediation prioritization, automated testing, performance monitoring, and compliance with organizational security frameworks. * Provide support for security including vulnerability remediation, participation in security initiatives, escalation support for cybersecurity incidents. Ensure regulatory compliance in systems., * Submission requirements: Resume, valid Right to Represent (R2R), WI Cover Sheet, cover letter, and confirmation that the candidate meets the work-location requirement. Resume must include the candidate's full legal first and last name; candidate email and phone number are prohibited on resumes. * Vendor rules: Maximum two submissions per vendor. Withdrawn candidates cannot be replaced. Subvendors are limited to one level deep and require a subvendor usage request form. * Posting administration: Active; not urgent; created October 2, 2026. Staff augmentation; billing type Daily; weekend schedule Varied. Career and minimum education fields: None Selected (see the qualification requirement above). State maximum bill rate: $90.00/hour. * Program contacts: Hiring manager Wisconsin Admin; wimsp@knowledgeservices.com. MSP delivery specialist: Jadan Fithian. Hiring manager phone is not supplied. * Other posting fields: Category IT; organizational level 4 and exception N/A; PO number 0; PO hours 0; PO amount 0.00; current low bid No Bids. Onboarding category and security comments fields are blank.