Full Stack C# .NET Developer (Mid-Senior Level) Job at Cap Index, Exton, PA

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  • Cap Index
  • Exton, PA

Job Description

Job Description

Job Description

Salary: $95,000-$130,000

Full Stack C# .NET Developer (Mid-Senior Level)

Location: Fully Remote (U.S. based) Up to 3 travel events per year for team collaboration
Type: Full-time

Were seeking a Full Stack C# .NET Developer to join our team. Youll work with modern .NET technologies (including .NET 8+, dependency injection, EF Core, and Azure) while delivering high-quality React-based front ends.

This is an opportunity to own your work end-to-end, contribute to architectural decisions, and collaborate with a team passionate about delivering secure, scalable, and high-performance solutions. If you thrive in an Agile, DevOps-focused environment where continuous improvement and knowledge sharing are the norm, wed love to hear from you.

What Youll Do

  • Design, develop, and maintain full-stack solutions leveraging C#, .NET 8+, and React.
  • Write clean, maintainable, and well-documented code using modern .NET practices such as dependency injection and Entity Framework Core.
  • Build responsive, dynamic user interfaces using React, JavaScript/TypeScript, HTML5, and CSS3.
  • Design and optimize RESTful APIs and integrate with third-party services.
  • Contribute to code reviews and documentation efforts.
  • Troubleshoot, debug, and optimize existing applications for performance and scalability.
  • Contribute to sprint planning, backlog refinement, and daily stand-ups in a Scrum environment.
  • Stay current on emerging tools, frameworks, and industry trends and apply them to keep our platform cutting edge.

Education and Experience Requirements:

  • Bachelors Degree in Computer Science, Information Technology, Engineering, or a related field
  • 5+ years of professional C#/.NET development experience
  • Strong experience with ASP.NET Core / .NET 8+ and Entity Framework Core
  • Expertise in React (hooks, state management, component architecture).
  • Strong understanding of dependency injection, repository patterns, and layered architecture.
  • Proficiency in SQL Server and relational database design
    and writing/reading SQL
  • Experience building and consuming modern
    RESTful APIs
  • Solid understanding of Agile/Scrum principles and version control with Git
  • Excellent communication skills, with the ability to work effectively in a fully remote, collaborative team
  • Must be a team player, process-driven, self-motivated, and able to work independently to meet deadline
  • Position requires strong business/technical verbal and written communication skills
  • Ability to adapt to sudden changes in priorities and requirements

Nice to Have

  • Azure cloud services experience (App Services, Azure SQL, Functions, Storage)
  • Experience with authentication/authorization standards such as SAML 2.0 or OAuth2/OpenID Connect
  • Familiarity with CI/CD pipelines and automated testing frameworks

Job Tags

Full time, Remote work,

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