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Full-stack Engineer

• Design and implement secure, PCI-compliant payment processing systems supporting credit cards, ACH, and digital wallets
• Build comprehensive transaction lifecycle management including processing, refunds, voids, and settlement reconciliation
• Architect and implement integrations with multiple payment processors while maintaining flexibility to switch providers
• Develop robust APIs for transaction monitoring, customer management, and merchant administration
• Design and optimize database schemas for high-volume transaction processing and real-time reporting
• Implement tokenization, encryption, and fraud detection systems meeting PCI DSS compliance requirements
• Create RESTful APIs with consistent error handling, authentication, and webhook capabilities
• Ensure sub-3-second transaction processing times and system scalability for high-volume periods

Senior Full Stack Engineer

Backend Engineer

• Develop and maintain assigned gateway project microservices using .NET Core and Azure services
• Build RESTful APIs, webhook systems, and processor adapter interfaces per OpenAPI specifications
• Implement data access layers, Entity Framework models, and database integration logic
• Build integrations with TicketSocket HPP, ProPay APIs, and internal gateway project services
• Ensure services meet performance SLAs including 90% test coverage, zero critical security vulnerabilities
• Document all APIs with current examples and troubleshooting guides

Senior Full Stack Engineer

Senior Backend Engineer, .NET/Azure