Key Responsibilities :

- Develop and maintain payment gateway & switch applications using .NET Core / C#.

- Build and optimize high-performance APIs, microservices, and transaction routing engines.

- Implement XML, JSON, UPI, IMPS, RuPay, Visa, MasterCard integrations.

- Ensure security, scalability, and PCI-DSS compliance in payment applications.

- Work with BA, Product, and Ops teams to translate requirements into technical solutions.

- Debug, troubleshoot, and resolve transaction failures, settlement/reconciliation issues.

- Participate in SIT, UAT, and production support for payment projects.

- Contribute to code reviews, best practices, and process automation.

Desired profile of the candidate :

- 3- 5years of development experience in .NET Core / C# / ASP.NET Core.

- Strong experience in payment systems, fintech, banking technology, or switch development.

- Hands-on expertise with ISO 8583 messaging, transaction routing, host-to-host integrations.

- Proficiency in Web API, REST, microservices, SQL Server, Entity Framework, LINQ.

- Familiarity with cloud platforms (Azure / AWS) preferred.

- Knowledge of RBI/PCI-DSS standards, security & encryption in financial applications.

- Strong debugging, performance tuning, and problem-solving skills.

Education qualification :