.NET Developer

Halvik•Washington, DC

About The Position

The contractor will serve as the primary .NET Core Backend Developer, designing, developing, testing, and configuring applications in an Azure cloud environment. The role focuses on modern .NET Core technologies to build and optimize scalable backend systems and RESTful APIs for enterprise-grade solutions. The developer will implement cloud-ready architectures, apply clean coding practices, support high-performance service design, and deliver secure, maintainable, and resilient backend components for mission-critical applications. The position involves building web applications using .NET Aspire, contributing to architecture discussions with GPO IT and project teams, establishing development, staging/test, production, and COOP environments, and maintaining front-end and back-end applications and services. The developer will also integrate third-party modules, develop custom modules, follow GPO configuration management policies for versioning and deployments, and implement changes in response to security recommendations. The role includes creating and maintaining technical support and design documentation; conducting unit, system, integration, performance, and load testing; supporting user acceptance testing and implementing resulting changes; participating in defect management; reporting progress and schedule delays to GPO; and iteratively updating deliverables throughout the agile process.

Requirements

  • 2–5+ years of recent experience as a senior .NET Developer.
  • Technical proficiency using .NET to build robust and scalable web applications.

Nice To Haves

  • A bachelor's degree in Computer Science is recommended but not required.
  • Demonstrated success in federal contracting is recommended.
  • Strong analytical and problem-solving capabilities.

Responsibilities

  • Develop robust and scalable web applications using .NET Aspire technologies.
  • Participate in architectural discussions with GPO IT and project teams to support successful application deployment.
  • Establish development, staging/test, production, and COOP environments.
  • Develop and maintain front-end and back-end applications and services.
  • Integrate third-party modules and develop custom modules to meet GPO needs.
  • Follow GPO configuration management policies for code versioning and deployments.
  • Make code or system changes to address GPO security recommendations.
  • Create and maintain technical support, high-level design, and detailed design documents.
  • Conduct unit, system, integration, performance, and load testing.
  • Assist with user acceptance testing, record outcomes, and implement changes resulting from UAT.
  • Participate in defect management discussions with the project management team to ensure defects are tracked and remedied.
  • Communicate progress and schedule delays to GPO efficiently and accurately.
  • Make iterative updates to deliverables throughout the agile process.

Benefits

  • Company-supported medical, dental, vision, life, short-term disability, and long-term disability insurance.
  • 11 federal holidays and PTO.
  • Eligible employees may receive performance-based incentives based on individual and/or team achievements.
  • 401(k) with company matching.
  • Flexible Spending Accounts for commuter, medical, and dependent care expenses.
  • Tuition assistance.
  • Charitable contribution matching.
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