C# Developer

Aircraft Performance Group, Inc. - Castle Rock, CO


C#/.NET Developer March 2019

Our software team is in immediate need of a Senior level C#/.NET developer with 8+ years experience. You will be helping to lead current development staff with new and on-going projects. This is a full-time position.


  • You will work with development staff to support existing applications and web services
  • You will assist in designing new web architectures and frameworks
  • Troubleshooting existing code to resolve complex problems
  • Maintaining and upgrading existing business objects and core framework
  • Maintaining and writing software tests using Postman, Selenium, MS Test
  • Working with complex feature enhancements within our web services environment
  • Identifies areas of improvement within legacy code
  • Estimating your hours accurately and completing tasks on time
  • Troubleshooting complex web services and applications
  • Maintaining and writing Jenkins/Bamboo deployment scripts
  • Maintaining and writing Docker deployment scripts for LINUX and Windows Server


  • 8+ years of solid web development experience using ASP.NET (C# and VB.NET mix)
  • 6+ years of database development experience with SQL and MS SQL Server
  • 6+ years developing and maintaining Web API, WCF and ASP.NET Core
  • 6+ years of solid JavaScript experience (JavaScript, jQuery/UI, JSON)
  • 3+ years of solid microservices experience
  • 3+ years Amazon AWS experience
  • 3+ years Jenkins/Bamboo experience
  • 2+ years LINUX bash shell experience
  • Strong understanding of SOAP and REST
  • Strong understanding of software testing (Unit, Integration, Web API, etc.) using testing frameworks such as MS Test, Postman/Newman and Selenium
  • Strong understanding of source control using GIT (Bitbucket and/or VSTS is a plus)
  • Good understanding of Agile Principles (development team)
  • Bachelor's Degree or equivalent experience
  • Experience with Angular a plus
  • React JavaScript framework a strong plus
  • General Aviation is a plus
  • Swift 4 is a plus

We do not offer relocation assistance, sponsorships or contracts to overseas parties.

Job Type: Full-time