About The Position

Fastwater Staffing is seeking a Senior .NET Engineer / Application Modernization Engineer with a strong background in .NET development and application modernization. The role involves migrating legacy systems, including WebForms applications and Stored Procedures, to modern .NET Core/.NET 8 environments, with a focus on cloud-native development and AWS integration. This position requires a deep understanding of software architecture, performance optimization, and refactoring.

Requirements

  • 5+ years of .NET development experience.
  • Strong hands-on experience with C# and ASP.NET.
  • Experience with .NET Framework modernization to .NET Core / .NET 8.
  • Experience with REST APIs and microservices architecture.
  • Experience with SQL Server development and database integration.
  • Experience with application modernization and legacy system migration.
  • Experience with cloud-native application development and AWS integration.
  • Experience working on large-scale modernization projects involving legacy WebForms applications, stored procedures, and SSIS migrations.
  • Strong understanding of software architecture, performance optimization, and code refactoring.
  • U.S. Citizen or Green Card holder ONLY.
  • Willingness to undergo fingerprinting and a government background check (CJIS-type).
  • LinkedIn profile required.

Nice To Haves

  • AWS development or cloud migration experience.
  • Experience migrating SQL Server workloads to PostgreSQL or Amazon Aurora PostgreSQL.
  • Experience with enterprise-scale application modernization initiatives.

Responsibilities

  • Modernize .NET Framework applications to .NET Core / .NET 8.
  • Develop REST APIs and microservices.
  • Integrate applications with SQL Server and perform database integration.
  • Migrate legacy WebForms applications.
  • Redesign and migrate SSIS packages.
  • Develop cloud-native applications with AWS integration.
  • Optimize application performance and refactor code.
  • Work on large-scale modernization projects.
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