Role Description We are seeking a Freelance Sr-level Backend Developer (Machine Learning/Python). The role will tentatively start as soon as possible (June) and will continue through the end of the year. The role will be remote (but if it transitions to full-time, the role will be based in NYC). - 5+ years of professional experience developing software in Python, with a strong focus on machine learning and applied AI. - Hands-on experience with state-of-the-art computer vision architectures and object detection frameworks, including models such as YOLO, DETR, ResNet, and similar approaches. - Deep expertise with PyTorch, including custom model development, transfer learning, training optimization, and deployment of production-grade machine learning systems. - Hands-on experience developing, optimizing, and deploying real-time machine learning inference pipelines on custom Nvidia GPU hardware, with a strong understanding of performance tuning, memory management, latency reduction, and edge AI deployment constraints. - Proven experience developing, training, and optimizing custom classification models across a variety of machine learning techniques and model architectures. - Experience leveraging modern data annotation and labeling workflows, including open-source platforms and segmentation tools such as Meta's Segment Anything Model (SAM). - Working knowledge of AWS cloud infrastructure and services used to support machine learning workflows and deployments. - Experience operating within Agile development environments and collaborating across cross-functional teams. Qualifications - Experience developing APIs and backend services using frameworks such as Flask, Django, or similar web technologies. - Familiarity with Ruby and Ruby-based applications. - Experience working within Ubuntu Linux environments and deploying solutions to embedded or edge computing platforms. - Familiarity with containerization technologies such as Docker and related deployment workflows. Requirements - Hourly rate dependent on years of experience, $100 up to $140/hour. - Direct candidates only.

• Develop and maintain enterprise web applications using ASP.NET MVC (.NET Framework 4.8) • Develop and consume RESTful APIs using ASP.NET Web API • Build data access layers using Dapper and ADO.NET • Design and maintain SQL Server databases, stored procedures, views, and functions • Implement JWT-based authentication and role-based authorization • Write clean, maintainable, and efficient code following coding standards • Optimize SQL queries and application performance • Debug and resolve application issues across development and production environments • Collaborate with senior developers, QA engineers, UI developers, and business analysts • Participate in code reviews and implement feedback • Prepare technical documentation when required • Use AI-assisted development tools (ChatGPT, GitHub Copilot, Cursor AI) to improve productivity while reviewing and validating generated code

• Design, develop, and maintain applications using .NET (C#) in backend and React or Angular in frontend • Write and optimize complex SQL Server queries, stored procedures, and database schemas • Build and consume RESTful APIs and integrate with third-party systems • Develop and support HL7 interfaces for healthcare data exchange between clinical and administrative systems • Collaborate with cross-functional teams (product, QA, stakeholders) to translate requirements into tech solutions • Deploy and manage applications in Microsoft Azure (App Services, Azure SQL, Azure Functions, etc.) • Participate in code reviews, technical planning, and architecture discussions • Troubleshoot production issues and implement performance improvements • Support claims processing workflows and ensure data integrity across the claims lifecycle

Role Description We are looking for a .NET Developer with 2–3 years of experience in developing enterprise web applications using ASP.NET MVC (.NET Framework 4.8), ASP.NET Web API, C#, SQL Server, and Dapper. The ideal candidate should have hands-on experience in developing web applications, building REST APIs, optimizing SQL queries, and collaborating with cross-functional teams. Experience with AI-assisted development tools such as ChatGPT, GitHub Copilot, or Cursor AI is highly desirable. - Develop and maintain enterprise web applications using ASP.NET MVC (.NET Framework 4.8). - Develop and consume RESTful APIs using ASP.NET Web API. - Build data access layers using Dapper and ADO.NET. - Design and maintain SQL Server databases, stored procedures, views, and functions. - Implement JWT-based authentication and role-based authorization. - Write clean, maintainable, and efficient code following coding standards. - Optimize SQL queries and application performance. - Debug and resolve application issues across development and production environments. - Collaborate with senior developers, QA engineers, UI developers, and business analysts. - Participate in code reviews and implement feedback. - Prepare technical documentation when required. - Use AI-assisted development tools (ChatGPT, GitHub Copilot, Cursor AI) to improve productivity while reviewing and validating generated code. Qualifications - Backend: C#, ASP.NET MVC (.NET Framework 4.8), ASP.NET Web API, REST API Development - Data Access: Dapper, ADO.NET, Repository Pattern, Dependency Injection - Database: Microsoft SQL Server, Stored Procedures, Views & Functions, Query Optimization, Performance Tuning - Frontend: HTML5, CSS3, JavaScript, jQuery, Bootstrap, AJAX - Security: JWT Authentication, Role-Based Authorization - Tools: Git, Visual Studio, IIS, Postman - AI Skills: Experience with ChatGPT, GitHub Copilot, Cursor AI, or similar AI coding assistants; Basic understanding of AI-assisted software development and prompt engineering. Requirements - Must-have skills: ASP.NET MVC, SQL, C# - Good-to-have skills: Azure DevOps / CI-CD, Entity Framework, Unit Testing (xUnit/NUnit/MSTest), Serilog/NLog, OWASP Security Practices, Agile/Scrum, Azure App Services, Exposure to ASP.NET Core