Senior-level C# .NET Software Developer

Company: The Timberline Group
Location: Saint Louis
Posted on: April 1, 2026

Job 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. Job Requirements: Requirements: C# .NET - 5 years’ experience Experience in .NET Framework 4.0 or higher Full Life Cycle Development experience SQL Databases – 3 years’ experience WebAPI or WCF – 3 years’ experience Preferences: Microsoft Service Fabric development Experience a big plus Automated API Testing a plus UI Automation Testing a plus Microsoft Azure development Experience a plus Micro Services development Experience a plus MVC experience a plus Agile experience a plus WPF experience a plus DB2 experience a plus ADO .NET experience a plus Unit Testing experience a plus Visual Studio 2017 experience a plus TFS 2017 experience a plus DevOps Experience a plus IIS Configuration Experience a plus Education / Other Experience: College Degree a plus Accounting System Development experience a plus Point of Sale Application Development experience a plus Mid-Tier Financial Transaction System Development experience a plus Kiosk Development experience a plus The Timberline Group Phone: 636-209-5537 PO Box 385, Lebanon, MO 65536 www.timberlinegrp.com resumes@timberlinegrp.com "Delivering quality solutions through quality people"

Keywords: The Timberline Group, Saint Charles , Senior-level C# .NET Software Developer, IT / Software / Systems , Saint Louis, Missouri

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