Technical Lead

Job Summary

Senior .NET Developer - Payment Middleware

Responsibilities

• Design and develop scalable Payment Middleware using C#, .NET 6 and above/.NET Core, Web API, and Microservices.

• Build and maintain REST APIs for payment authorization, capture, inquiry, refunds, and transaction processing.

• Integrate multiple Payment Gateways and ERP systems.

• Implement robust error handling, validation, transaction processing, and response mapping.

• Develop and optimize MS SQL Server queries, stored procedures, and database schemas.

• Work with Azure Service Bus, Azure Functions, Azure Blob Storage, and Azure SQL.

• Follow SOLID, OOP, Design Patterns, Clean Code, and SDLC practices.

• Perform unit testing, integration testing, debugging, and code reviews.

• Use Git and Azure DevOps for source control, CI/CD, and deployment.

• Collaborate with QA, Product, Architecture, and client teams to deliver reliable payment solutions.

  Qualifications

• 5+ years of hands-on experience with C#, .NET/.NET Core, Web API, and Microservices.

• Strong expertise in MS SQL Server, Stored Procedures, and database optimization.

• Experience with Payment Gateway / Payment Middleware / Enterprise Integrations.

• Strong knowledge of Azure, Kafka, Docker, and Kubernetes.

• Experience with Git, Azure DevOps, CI/CD, and Agile/Scrum.

• Strong understanding of OOP, SOLID, Design Patterns, API Security, and Distributed Systems.

• Experience with Postman, Unit Testing, and Integration Testing.

• Highly proficient English communication and strong problem-solving skills.

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