Backend C#/.NET Developer

Employer description and requirements

Job Title: Backend C#/.NET Developer

Job Type: Contract

Location: Remote

Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities:

Design, develop, and maintain robust backend services and APIs using C# and .NET frameworks.

Collaborate with cross-functional teams to define technical requirements and deliver scalable solutions.

Ensure high standards of code quality, reliability, and security in all backend implementations.

Optimize existing backend processes for performance, scalability, and maintainability.

Troubleshoot, debug, and resolve backend issues efficiently in production and staging environments.

Document technical specifications and backend architecture clearly for team collaboration.

Contribute to the continuous improvement of development processes and best practices.

Required Skills and Qualifications:

Expert-level proficiency in C# and the .NET ecosystem.

Strong experience with MySQL databases, including schema design and query optimization.

Solid understanding of server-side logic, RESTful API development, and integration patterns.

Track record of writing clean, maintainable, and well-documented code.

Excellent written and verbal communication skills, with an emphasis on clarity and collaboration.

Ability to work independently in a fully remote setting while managing priorities effectively.

Proactive problem-solving skills and a commitment to continuous learning.

Preferred Qualifications:

Experience developing and deploying cloud-hosted applications (e.g., AWS, Azure, GCP).

Background working with distributed teams and Agile methodologies.

Previous work in high-growth, innovation-driven environments.

Application screening questions

How soon can you start the work? (in days)

What is your expected hourly rate in USD?

How many hours per week are you available to work?

How many years of experience do you have working with C#?

How many years of experience do you have working with .NET?

What's your experience with the SQL environment?

Other published fields (read alongside the description):

Published hourly-rate fields: {'max': 110, 'min': 60}

Source page's structured applicant-location list: Bangladesh, Hong Kong, India, Indonesia, Japan, Kazakhstan, Kyrgyzstan, Malaysia, Pakistan, Philippines, Singapore, Sri Lanka, Taiwan, Thailand, Uzbekistan, Vietnam, Austria, Belarus, Belgium, Denmark, France, Germany, Greece, Italy, Netherlands, Portugal, Russia, Spain, Switzerland, United Kingdom, Argentina, Brazil, Chile, Colombia, Mexico, Peru, Algeria, Bahrain, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Tunisia, United Arab Emirates, United States, Canada, Nigeria, Kenya, South Africa, Ghana, Ethiopia