Senior.Net Consultant

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). (ref:hirist.tech)