Net Developer Sr - Remote

Full Stack Developer (C#) responsible for building APIs, API wrappers, and full‑stack solutions using .NET, Azure, Docker, and related technologies. Requires end‑to‑end ownership of project delivery and strong communication with customer and client stakeholders.

• Develop and maintain backend services using .NET (3+ years of experience).
• Design, implement, and test microservices, Web APIs, and integration adapters.
• Integrate payment gateways (Stripe, USAePay, ACH, credit card), QuickBooks API, and external processors with OAuth/JWT security.
• Ensure API performance, security, and scalability (MS SQL Server, Cosmos DB).
• Collaborate with product and engineering teams to establish best practices.
• Maintain CI/CD pipelines and release management (Azure DevOps, Docker, Kubernetes).
• Write unit tests (xUnit, NUnit) and perform performance tuning.