We are hiring an experienced NET Core Developer with expertise in payment gateway and switch development The role involves designing developing and optimizing high-performance payment processing systems with a focus on API-based integrations and transaction processing for fintech platforms 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 Job Types Full time Permanent Pay 20 000 00 - 80 000 00 per month Work Location In person