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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. NET Core API Developer - **Company:** Donato Technologies, Inc - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Application Performance Management, User Authentication, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Software Quality, Databases, Continuous Integration, Cursor (Graphical User Interface Elements), Database Design, Software Debugging, Dependency Injection, Software Design Patterns, DevOps, Language Integrated Query, Middleware, Entity Framework, Github, Microsoft SQL Server, OAuth, Performance Tuning, Scrum Methodology, Query Optimization, Software Tools, SQL Stored Procedures, Software Technical Review, Management of Software Versions, .NET Core, GitHub Copilot, Delivery Pipeline, Software Security, Backend, Git, Integration Tests, Solid Principles, Information Technology, Restful APIs, GPT, Software Version Control, Docker, Web Api, Microservices - **Published:** May 19, 2026 - **Apply:** https://www.dice.com/job-detail/822ddcae-26b6-48d6-b9db-32e05fef2b00 ## About the Role Client is seeking a highly skilled and self-driven Senior .NET Core API Developer with strong backend engineering expertise and the ability to work independently in a fast-paced enterprise environment. The ideal candidate will have deep hands-on experience building scalable APIs and microservices using .NET Core technologies while effectively leveraging AI-assisted development tools such as GitHub Copilot, ChatGPT, Cursor, or similar platforms to improve productivity, code quality, and delivery speed., Backend Development * Strong experience with: + C# + .NET Core / ASP.NET Core + Web APIs / REST APIs + Entity Framework Core + LINQ + Middleware + Dependency Injection + Asynchronous Programming Architecture & Design * Microservices Architecture * SOLID Principles * Design Patterns * API Security Best Practices * JWT / OAuth Authentication * API Versioning Database Skills * SQL Server * Stored Procedures * Query Optimization * Database Design & Performance Tuning Cloud & DevOps * Azure and/or AWS experience * CI/CD using Azure DevOps or GitHub Actions * Docker & Kubernetes knowledge preferred * Git source control AI-Driven Engineering * Hands-on experience using AI development tools such as: + GitHub Copilot + ChatGPT + Cursor AI + Amazon CodeWhisperer * Ability to independently accelerate development and troubleshooting using AI-assisted workflows Soft Skills * Strong communication and collaboration skills * Excellent analytical and problem-solving abilities * Self-starter with strong ownership mindset * Ability to work independently with minimal supervision * Adaptable to fast-changing technologies and AI-enabled workflows Education * Bachelor s degree in Computer Science, Engineering, or related field preferred ## Description * Design, develop, and maintain enterprise-grade RESTful APIs using .NET Core / ASP.NET Core. * Build scalable and secure microservices-based backend applications. * Analyze business and technical requirements and convert them into scalable technical solutions. * Develop clean, reusable, maintainable, and high-performance code. * Integrate APIs with internal enterprise systems and third-party applications. * Utilize AI-powered engineering tools to accelerate coding, debugging, documentation, and development workflows. * Implement authentication and authorization mechanisms using JWT/OAuth standards. * Optimize application performance, scalability, reliability, and security. * Participate in architecture discussions and technical design reviews. * Work closely with DevOps teams on CI/CD automation and deployment pipelines. * Troubleshoot and resolve production support issues independently. * Write unit tests, integration tests, and maintain technical documentation. * Collaborate with cross-functional teams in Agile/Scrum environments. ## Related Videos - [ Evaluating AI models for code comprehension](https://www.wearedevelopers.com/videos/1462-evaluating-ai-models-for-code-comprehension) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [The Future of Developer Experience with GenAI: Driving Engineering Excellence](https://www.wearedevelopers.com/videos/1107-the-future-of-developer-experience-with-genai-driving-engineering-excellence) - [Speak, Code, Deploy: Transforming Developer Experience with Voice Commands](https://www.wearedevelopers.com/videos/1159-speak-code-deploy-transforming-developer-experience-with-voice-commands) - [AI Driven Development](https://www.wearedevelopers.com/videos/100340-ai-driven-development) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 159: AI Pipelines, 10x Faster TypeScript, How to Interview](https://www.wearedevelopers.com/magazine/563-dev-digest-159-ai-pipelines-10x-faster-typescript-how-to-interview) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)