Web & Applications Developer Senior Apollo Professional Solutions, Inc. - 3.8 Westminster, CO Job Details Full-time | Contract $57 - $67 an hour 1 hour ago Benefits Health insurance 401(k) Vision insurance Life insurance Qualifications Software engineering Teamwork Computer Science Enterprise software Enterprise software support Enterprise software systems development Master's degree Bachelor's degree UI implementation Application Maintenance Front-end component implementation Back-end integration Cross-functional collaboration Cross-functional communication Full Job Description Senior C# Web & Applications Developer About the Opportunity We are seeking a talented Senior C# Web & Applications Developer to join a collaborative, cross-functional engineering environment supporting innovative technology solutions. This contract opportunity offers the chance to work alongside experts in mechanical engineering, material science, optical engineering, and information technology to develop and enhance both new and legacy applications. The ideal candidate is a strong problem solver with experience in C#, ASP.NET, WPF, APIs, and enterprise application development , who enjoys working in an Agile environment and contributing to the full software development lifecycle. Key Responsibilities As a Senior Web & Applications Developer, you will: Design, develop, test, debug, and maintain web and desktop applications Support and enhance existing legacy applications and APIs Collaborate with multidisciplinary engineering and IT teams to deliver business-critical solutions Participate in peer programming, technical design discussions, and code reviews Develop unit and integration tests to ensure application quality and reliability Identify technical challenges and communicate project risks to team leads Follow established coding standards, best practices, and SDLC processes Create technical documentation and support application deployment activities Develop solutions that meet functional requirements and design specifications Contribute to a positive, team-oriented work environment Maintain strong working relationships across departments and stakeholders Perform additional duties as assigned Required Qualifications Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, plus 4+ years of relevant experience Master's degree or Ph.D. may substitute for up to two years of experience per advanced degree Equivalent technical experience may be considered in lieu of formal education Strong interest in learning new technologies and expanding technical skills Experience developing applications using C#, WPF, and/or ASP.NET Experience supporting and maintaining APIs and enterprise applications Knowledge of front-end UI and middle-tier application development Experience working within Agile/Scrum development methodologies Strong analytical, troubleshooting, and problem-solving abilities Knowledge of web services and application integrations Experience with Unit Testing, Test-Driven Development (TDD), and/or Behavior-Driven Design (BDD) Excellent collaboration and communication skills Preferred Qualifications Candidates with experience in the following technologies are highly encouraged to apply: ASP.NET Web API and RESTful Services Microsoft SQL Server and/or Oracle Database Git source control Azure DevOps Entity Framework or comparable ORM technologies jQuery or other JavaScript frameworks/libraries MVC controls and third-party UI component libraries Report development and reporting tools Manufacturing, industrial systems, or process control environments Work Environment This role requires regular on-site collaboration, with employees working on-site three or more days per week at the primary work location. Occasional local travel between facilities or other business locations may be required. Why Apply? Work on impactful software projects in a highly technical environment Collaborate with experienced engineers and technology professionals Gain exposure to advanced engineering and manufacturing technologies Contribute to the full software development lifecycle from design through deployment Join a team that values innovation, collaboration, and continuous learning

Keywords:

Senior C# Developer, .NET Developer, ASP.NET Developer, WPF Developer, Software Engineer, Web Application Developer, REST API Developer, Azure DevOps, SQL Server, Agile Development, Enterprise Applications, C# Programming, Full Stack .NET Developer, Contract Developer. #

WCH Pay:

$57.00 - $67.00 per hour Expected hours: 40.0 per week

Benefits:

401(k) Health insurance Life insurance Vision insurance

Work Location:

In person