I will build, modernize or fix your dot net application

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sarfarajk1
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sarfarajk1
Sarfaraj K

About this gig

Need an experienced .NET developer to build, fix, modernize, or optimize your application?

Im a Senior Full Stack .NET Developer with 10+ years of professional experience building enterprise applications, REST APIs, microservices and modern web solutions.

I can help with:

C# / .NET / ASP.NET Core development

REST API development & integration

Microservices & backend architecture

Angular / React development

SQL Server, Entity Framework & Dapper

Legacy .NET application modernization

Bug fixing & performance optimization

Azure & CI/CD

Unit testing, TDD & code review

I also use AI-assisted engineering workflows with GitHub Copilot, Cursor, ChatGPT, LLMs, Agents, Skills and MCP to accelerate development, debugging, refactoring, testing and documentation.

With experience across 25+ projects, 500+ API endpoints, 200+ production deployments and 1,000+ code reviews, I focus on reliable, maintainable and production-ready solutions.

Have an existing application, new feature or technical problem? Send me your requirements and Ill suggest the best approach.

Please contact me before ordering complex projects so we can confirm the scope and deliverables.

Get to know Sarfaraj K

Sarfaraj K

Dot NET Consultant specializing in legacy application modernization or migration

  • FromIndia
  • Member sinceOct 2015
  • Avg. response time2 days
  • Languages

    Gujarati, Hindi, English
Senior Full Stack .NET Developer and Technical Lead with 10+ years of experience leading enterprise application modernization, designing scalable backend platforms, and delivering distributed software solutions across product and consulting organizations. Proven expertise in transforming legacy systems, building cloud-ready APIs, mentoring engineering teams, and driving AI-assisted software development while partnering with global stakeholders.