🌍 Backend C#/.NET Developer, Remote - Contract

Posted Yesterday
Hiring Remotely in United States
Remote
Entry level
HR Tech • Information Technology • Professional Services • Consulting
The Role
Develop and maintain backend services and RESTful APIs using C# and .NET. Design and optimize MySQL schemas and queries, troubleshoot production and staging issues, improve performance and scalability, document architecture, and uphold code quality and security. Collaborate with cross-functional teams in a fully remote environment while contributing to development best practices and continuous improvement.
Summary Generated by Built In

Job Title: Backend C#/.NET Developer

Job Type: Contract

Location: Remote

Required Skills:

  • C#

  • .NET

  • MySQL

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.

Skills Required

  • Expert-level proficiency in C#
  • Expert-level proficiency in the .NET ecosystem
  • Strong experience with MySQL, including schema design and query optimization
  • Understanding of server-side logic, RESTful API development, and integration patterns
  • Experience writing clean, maintainable, and well-documented code
  • Excellent written and verbal communication skills
  • Ability to work independently in a fully remote setting and manage priorities effectively
  • Proactive problem-solving skills and commitment to continuous learning
  • Experience developing and deploying cloud-hosted applications using AWS, Azure, or GCP
  • Experience working with distributed teams and Agile methodologies
  • Experience in high-growth, innovation-driven environments
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The Company
Year Founded: 2012

What We Do

Xperteez Technology is a business consulting and recruitment firm that bridges the gap between business needs and talent. The company specializes in providing IT consulting, digital marketing, and comprehensive recruitment solutions across various sectors, including BFSI, manufacturing, and e-commerce. They focus on connecting qualified job seekers with direct payroll opportunities at leading companies across India, emphasizing growth and technological excellence.

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