Role Summary
We are looking for an experienced Senior .NET Developer with 6–8 years of strong hands-on experience in backend application development. The candidate should have a solid understanding of .NET, .NET Core, Web Services, REST APIs, HTTPS, SQL and GraphQL, along with experience in designing scalable backend solutions and integrating with external systems.
The candidate should be capable of independently handling development activities, troubleshooting complex technical issues, participating in solution discussions, and working closely with architects, technical leads, frontend developers, QA and business teams.
Technical Skills & Responsibilities
.NET / Backend Development
Strong hands-on experience with C#, .NET and .NET Core.
Good understanding of Object-Oriented Programming (OOP), SOLID principles and common design patterns.
Experience developing RESTful APIs and backend services using .NET Core.
Good understanding of ASP.NET Core Web API, middleware, dependency injection, configuration and exception handling.




Experience with Web Services and service-to-service communication.
Valuable understanding of HTTP/HTTPS protocols, HTTP methods, status codes, headers, authentication and secure API communication.
Understanding of API security concepts such as JWT/OAuth, authentication and authorization.
Experience with API versioning, validation, logging and error handling.
Understanding of asynchronous programming, async/await, multithreading and performance considerations.
Experience working with third-party APIs and external system integrations.
Good understanding of JSON, XML and data serialization/deserialization.
GraphQL
Good hands-on knowledge of GraphQL.
Understanding of Queries, Mutations, Schemas, Resolvers and GraphQL APIs.
Experience integrating GraphQL with backend services and databases.
Ability to troubleshoot API performance and data-fetching issues.
SQL / Database
Strong knowledge of SQL Server and relational database concepts.
Ability to write compl

📌 Senior .NET Developer (India)
🏢 Fulcrum Digital
📍 India