Demo

C# Developer / Back-End

timberlinegrp
St. Louis, MO Full Time
POSTED ON 9/7/2026
AVAILABLE BEFORE 10/6/2026
This person will be engaged with several teams to deliver customer facing applications in a fast-paced setting.  The applications created will be used across multiple industries to provide both qualifying and continuing education for professionals. Our teams deliver software and features using the Agile methodology.
 
Position Requirements & Major Responsibilities:
 
  • Work with other team members (in multiple time zones across the globe)
  • Implement services using .Net stack
  • Work within architectural guidelines
  • Create and use unit testing to ensure correct functionality
  • End to End and Integration testing
  • Deliver APIs to be consumed by customer facing applications
  • Participate in / perform code reviews
  • Mentoring and coaching of more junior team members
  • Work with GitHub as a source code repository
  • Work with the team using standard git-flow
 
Prior Experience and Skills Required:
 
  • Education – Bachelor’s degree or 5 years’ experience required
  • Extensive experience in .Net (C#) required 
  • Familiarity with .Net Core 6 and the latest .Net Framework
  • No team leadership requirements 
  • Demonstrated effectiveness in creating applications using 
  • C#
  • Entity Framework
  • Cloud services (Primary is AWS – or Azure/GCP equivalents)
  • ECS
  • Lambdas
  • API Gateway
  • Secret Manager 
  • Strong SQL experience (MS SQL Server) 
  • Redis / Caching
  • SignalR / Websockets experience is a plus 
  • VB.Net is a plus
  • Developing for Docker containers is a plus
  • Good communication using English as the primary language 

Salary.com Estimation for C# Developer / Back-End in St. Louis, MO
$68,511 to $85,773
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