About this role

Lead .NET Fullstack Devleoper

United States/Reumite

6-12 Months

Job Description:

5–9 years of experience in full stack application development using .NET and React

Strong proficiency in C#, ASP.NET Core, Web APIs, Entity Framework, SQL Server, React.js, TypeScript, and JavaScript (ES6+)
Experience with React ecosystem including Hooks, Context API, Redux/Zustand, React Router, and reusable component development
Good understanding of frontend-backend integration and API consumption patterns
Experience working on modernization of legacy enterprise applications
Knowledge of microservices and API-driven architecture principles
Experience building responsive UI applications using React and UI frameworks such as Material UI, Tailwind, or Bootstrap
Exposure to frontend migration projects from legacy UI frameworks to React is a plus
Experience using AI-assisted development tools such as GitHub Copilot, Claude Code, Cursor, or similar platforms
Familiarity with Git, CI/CD pipelines, Agile/Scrum methodologies, and DevOps practices
Understanding of authentication and security concepts such as JWT and OAuth
Exposure to Azure/AWS cloud environments and Docker is an added advantage

Key Responsibilities

Develop and maintain scalable backend services using ASP.NET Core and Web APIs
Build modern, responsive, and reusable frontend applications using React and TypeScript
Participate in modernization of legacy monolithic applications into API-first and microservices-based architecture
Collaborate with architects and technical leads on migration from .NET Framework to .NET Core and React modernization
Use Agentic AI tools to improve productivity in coding, refactoring, testing, and code analysis
Design and integrate RESTful APIs with frontend applications
Write clean, maintainable, and testable code following engineering best practices
Participate in code reviews, debugging, performance optimization, and troubleshooting activities
Contribute to CI/CD implementation, automated testing, and deployment processes
Work closely with cross-functional teams including QA, DevOps, Product, and UX/UI teams in Agile delivery environments

.NET Lead Fullstack Developer

Key skills