Description :

Job Title : C# .NET Developer USSD Applications.

Experience : 5+ Years | Location : Chennai | Type : Part Time / 3 Months Contract.

About the Role :

We are looking for a C# .NET Developer with 5+ years of experience, including strong exposure to USSD-based application development.

The role focuses on backend API development, database handling, and seamless integration with telecom USSD gateways, while frontend/UI is managed separately through iPROOF.

Responsibilities :

- Design and maintain C# .NET APIs for USSD transactions and business logic.

- Integrate with telecom USSD gateways to handle session-based communication.

- Work with SQL Server for data storage, queries, and reporting.

- Implement validation, security, and error-handling in APIs.

- Collaborate with product and telecom teams to deliver robust USSD services.

- Provide support for production issues, troubleshooting, and bug fixes.

Skills Required :

- Strong in C#, ASP.NET Core/Web API, .NET Framework/Core.

- Hands-on with SQL Server (procedures, performance tuning).

- Experience with USSD application flow and gateway integration.

- Good knowledge of REST APIs and session management.

- Familiarity with version control (Git) and API testing tools (Postman, Swagger).