.NET C# Backend Developer (Freelance, Per-Project Work, Ongoing Opportunities) hourly

Proceed Pay HQ: Santa Cruz, California, United States Remote job Mar 31

We are looking for a reliable and experienced backend developer with strong expertise in .NET and C# for ongoing, per-project work.

This is not a one-time job. We are building a long-term relationship with the right developer who can consistently deliver high-quality backend work across multiple projects.

Responsibilities:

  • Build and maintain backend systems using .NET
  • Design and develop REST APIs
  • Work with databases (SQL Server, MySQL, or similar)
  • Debug, optimize, and improve existing codebases
  • Collaborate with front-end developers when needed

Requirements:

  • Strong experience with C# and .NET (ASP.NET Core preferred)
  • Solid understanding of API design and backend architecture
  • Experience with Knockout
  • Comfortable working independently with minimal supervision
  • Good written communication (English)

Nice to Have:

  • Experience with Azure or cloud services
  • Familiarity with authentication (JWT, OAuth, etc.)
  • Experience working on SaaS or multi-tenant systems

Project Details:

  • Work is assigned on a per-project basis
  • Flexible workload depending on current needs
  • Fully remote

Payment:

  • Paid per project or milestone (not hourly unless agreed)
  • Payment via direct invoice (Wise, Payoneer, bank transfer, etc.)

To Apply:

Please include:

  1. A brief introduction
  2. Links to relevant past work (GitHub or portfolio REQUIRED)
  3. Your typical project or hourly rate
  4. A short answer to this question:
  5. How would you structure a scalable REST API in .NET?

Applications without code samples will not be considered.

Screening Task (Paid):

Shortlisted candidates will be given a small paid test task (2–5 hours) before starting larger projects.

Requirements
Availability:
Hourly contract
Experience levels:
Intermediate (3 - 5 yrs)
Languages:
English

$8/hr