Top .NET Developer Jobs in Philadelphia, PA

The role involves developing full stack applications using C#/.NET for backend and React for frontend while managing AWS infrastructure and ensuring code quality.

The Integration Developer supports and maintains Rhapsody and .NET applications, automates workflows, and modernizes legacy systems for public health data exchange.

The C# / .NET Developer will design and maintain middleware applications, build Shopify integrations, and support a mobile app backend in a remote work environment.

Design, build, and maintain scalable customer-facing web applications using Vue and .NET. Collaborate with cross-functional teams, participate in code reviews, improve CI/CD/testing/monitoring, contribute to architecture, and communicate progress while supporting product and quality goals.

Build and enhance customer-facing web applications using Vue.js and .NET Core. Implement well-scoped features, write tested maintainable code, participate in code reviews, collaborate with cross-functional teams, support CI/CD and cloud deployments, and contribute to architecture and continuous improvement.

Senior full‑stack engineer focused on .NET and UI/UX modernization for cleared federal systems. Design and build C#/.NET enterprise apps, integrate with MS SQL/Oracle, conduct user research, create wireframes/prototypes, improve workflows and usability, and collaborate across engineering, QA, and operations within secure environments.