> Markdown version of [/jobs/ext/4523832-net-software-developer-mid-to-sr-level](https://www.wearedevelopers.com/jobs/ext/4523832-net-software-developer-mid-to-sr-level). 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 Software Developer - Mid to Sr. Level - **Company:** The Timberline Group - **Location:** St. Louis, MO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), .NET Framework, Agile Methodology, Unit Testing, Microsoft Azure, C Sharp (Programming Language), IBM DB2, Entity Framework, Windows Communication Foundation, Microsoft Visual Studio, Windows Presentation Foundation, Microsoft Software, Microsoft SQL Server, Team Foundation Server, Systems Development Life Cycle, Requirements Management, Software Engineering, SQL Databases, Web Services - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/-net-software-developer-mid-to-sr-level-saint-louis-mo--bbf1e734-6bd4-42c5-8187-a96bc471e27b ## About the Role Software Development, Microsoft .NET, Microsoft C# .NET (C Sharp .NET), Project Development, Product Lifecycle, Software Development, Technical/Engineering Design, Requirements Management, Software Testing, Problem Solving Skills, *Software Development - 5+ years' experience *C# .NET Development - 3+ years' experience *Experience in .NET Framework 3.5 or higher *Full Life Cycle Development experience *SQL Databases - 3+ years' experience Preferences: *ASP .NET OR Web Services / WCF a plus *Net Framework 4.0 or higher a plus *Agile experience a plus *WPF experience a plus *SQL Server experience a plus *DB2 experience a plus *ADO .NET experience a plus *Entity Framework experience a plus *Unit Testing experience a plus *Visual Studio 2015 experience a plus *TFS experience a plus Education / Other Experience: *College Degree a plus *Microsoft Developer Certification a plus *Point of Sale Application Development experience a plus *Mid-Tier Financial Transaction System Development experience a plus *Kiosk Development experience a plus ## Description We are seeking a C# .NET Developer to join our team in St. Louis, MO. You will have the opportunity to utilize a wide range of new development technologies while performing full life-cycle development of new projects as well as upgrading existing projects for our clients. We offer competitive salaries, full benefits, and a challenging fast paced work environment. Job Responsibilities: *Develop New Applications & Services. *Develop Enhancements for existing Applications & Services. *Design and Estimate technical solutions per project requirements. *Work with stakeholders & BA on defining project requirements. *Participate in application QA and deployment. *Participate in investigating and solving production issues.