Posted Oct 11, 2026

Backend C#/.NET Developer

Apply Now
Backend C#/.NET Developer Remote contract | United States | micro1 HumanitApp is recruiting for micro1's Backend C#/.NET Developer opportunity. This is a contract with micro1, not an internal position at HumanitApp. COMPENSATION AND CONTRACT Published range: USD 60-110/hour. micro1 confirms the final rate, available paid work and contract terms. The source listing does not specify weekly hours, contract duration or a start date; the published range is not guaranteed income. RESPONSIBILITIES Build and maintain backend services and RESTful APIs using C# and .NET. Design MySQL schemas and improve query and application performance. Diagnose backend problems in production and staging environments. Deliver reliable, secure and maintainable code with cross-functional teams. Document architecture and technical decisions, and improve development practices. The opportunity supports micro1's AI-training work. Previous AI experience is not required. REQUIRED EXPERIENCE Expert-level C# and .NET proficiency. Strong MySQL experience, including schema design and query optimization. Practical server-side development, RESTful API and integration experience. A record of producing clear, maintainable and documented code. Strong written and verbal communication and independent remote working skills. PREFERRED EXPERIENCE Cloud-hosted applications on AWS, Azure or Google Cloud. Collaboration with distributed teams using Agile practices. Development in fast-moving, high-growth environments. APPLICATION Apply through this LinkedIn listing. For questions, contact team@humanitapp.com. micro1 manages screening, selection and contract terms. Confirm location eligibility and work availability during that process. Applying does not guarantee selection or paid work. HumanitApp may receive a reward for qualifying referrals. No newsletter subscription is required.