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Full Stack .NET Developer

3B Staffing LLC

  • Place of Performance: Washington, DC
  • Period of Performance: 3 month contract will be extended another 12
  • Citizenship: U.S. Citizen only
Required Qualifications
  • 7+ years of professional .NET/C# development experience, including significant experience developing web applications.
  • Strong hands-on experience with .NET 8 and ASP.NET Core Web API.
  • Strong experience developing modern applications using C#.
  • Strong experience with Angular 16 or later.
  • Strong experience with Entity Framework Core.
  • Strong experience with Microsoft SQL Server, including SQL queries, database schemas, and stored procedures.
  • Experience designing, developing, and integrating RESTful APIs.
Preferred Qualifications
  • Experience designing or developing applications using microservices architectures.
  • Experience with container technologies such as Docker and Kubernetes.
Work Authorization - USC only


Interview: call with me - video interview with the client


Only candidates with ALL information below will be considered.

  1. FULL Legal Name:
    1. First Name:
    2. Last Name:
  2. Cell number (NO Google or Magic Jack #s accepted) :
  3. LinkedIN profile -
  4. E-mail ID:
  5. W2 hourly Rate:
  6. Present location (with City and State): -
  7. Current Work Authorization:
  8. Currently working (Yes/No):
  9. Availability to Join:



Senior Full Stack .NET Developer


Washington, DC | Full-Time Onsite | Contract

seeking an experienced Senior Full Stack .NET Developer to support a high-profile federal financial services environment in Washington, DC. This role will contribute across the full application development lifecycle, building and maintaining enterprise web applications using a modern Microsoft and Angular technology stack.


The ideal candidate brings deep hands-on experience with .NET 8, C#, ASP.NET Core Web API, Angular 16+, Entity Framework Core, and SQL Server and is comfortable working across database, API, service, and front-end layers. This individual will collaborate closely with developers, QA engineers, business analysts, and other stakeholders within a fast-paced Agile development environment.

Key Responsibilities
  • Design, develop, enhance, and maintain components across the full application technology stack.
  • Develop enterprise web applications using C#, .NET 8, ASP.NET Core, and Angular.
  • Design and maintain SQL Server database schemas, stored procedures, and efficient SQL queries.
  • Develop secure, scalable RESTful APIs and application/service integrations.
  • Build responsive and intuitive user interfaces using Angular 16 or later.
  • Use Entity Framework Core to support application data access and persistence.
  • Write clean, maintainable, reusable, and well-tested application code.
  • Troubleshoot and resolve complex technical issues spanning front-end, application, API, and database layers.
  • Participate in peer code reviews, application testing, troubleshooting, and deployment activities.
  • Collaborate with developers, QA engineers, business analysts, and other stakeholders to translate requirements into effective software solutions.
  • Follow established source control and CI/CD practices using Git, GitLab, and related development tools.
  • Participate actively in Agile development activities and contribute to continuous improvement of development practices.
Required Qualifications
  • 7+ years of professional .NET/C# development experience, including significant experience developing web applications.
  • Strong hands-on experience with .NET 8 and ASP.NET Core Web API.
  • Strong experience developing modern applications using C#.
  • Strong experience with Angular 16 or later.
  • Strong experience with Entity Framework Core.
  • Strong experience with Microsoft SQL Server, including SQL queries, database schemas, and stored procedures.
  • Experience designing, developing, and integrating RESTful APIs.
  • Experience with Git-based source control and development workflows.
  • Experience working within Agile software development teams.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Ability to independently manage multiple priorities and development assignments.
  • Ability to quickly learn and adapt to new technologies and technical environments.
  • U.S. Citizenship is required.
  • Ability to work full-time onsite in Washington, DC is required.
Preferred Qualifications
  • Experience designing or developing applications using microservices architectures.
  • Experience with container technologies such as Docker and Kubernetes.
  • Experience implementing applications or services within a cloud platform.
  • Strong experience with unit testing frameworks and automated testing practices.
  • Experience working with enterprise CI/CD pipelines and automated application deployment.
Vacancy posted 4 days ago
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