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Provided by the employer
Verified Pay check_circle $60 - $65 per hour
Hours Full-time
Location Santa Clara, California

About this job

Job Description

Job Description
We are seeking a .NET Developer to migrate legacy Classic ASP applications to ASP.NET Core using C#. The role involves analyzing existing applications, preserving business functionality, modernizing application architecture, and supporting testing and deployment.

Key Responsibilities


  • Analyze existing Classic ASP code, business logic, database dependencies, and integrations.

  • Develop and execute a phased migration plan from Classic ASP to ASP.NET Core.

  • Rewrite VBScript/Classic ASP functionality using C# and modern .NET development practices.

  • Develop web interfaces, REST APIs, and reusable application components.

  • Migrate data access from legacy ADO to Entity Framework Core or ADO.NET.

  • Review and optimize SQL Server queries, stored procedures, and database interactions.

  • Implement authentication, authorization, validation, error handling, and logging.

  • Perform unit, integration, regression, and performance testing to validate functionality.

  • Troubleshoot migration issues and support deployment, cutover, and post-production stabilization.

  • Document application architecture, code changes, deployment steps, and support procedures.

Required Qualifications


  • 5+ years of experience developing applications using C#, ASP.NET MVC, and/or ASP.NET Core.

  • Hands-on experience maintaining Classic ASP applications using VBScript, HTML, JavaScript, and ADO.

  • Experience migrating legacy applications to modern .NET platforms.

  • Strong SQL Server skills, including T-SQL, stored procedures, and query optimization.

  • Experience with Entity Framework/Core, ADO.NET, REST APIs, and third-party integrations.

  • Familiarity with IIS, Git, CI/CD pipelines, and application deployment.

  • Strong debugging, problem-solving, and communication skills.

Preferred Qualifications


  • Experience migrating COM/COM+ dependencies and legacy session management.

  • Familiarity with Azure hosting and Azure DevOps.

  • Experience with React, Angular, or other modern front-end frameworks.

  • Understanding of secure coding, automated testing, and application modernization.


Flexible work from home options available.


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Posting ID: 1310429045 Posted: 2026-10-30 Job Title: Dot Net Developer