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Dot Net Developer with Payment Systems

Virtual Connect Solutions
Contract
On-site
United States
IT/Tech

Design, develop, and maintain payment systems using .NET, C#, and ASP.NET Core
•    Build and support RESTful APIs and microservices for payment processing
•    Integrate with payment gateways, banks, and third-party financial providers
•    Ensure high availability, scalability, and fault tolerance of payment services
•    Implement secure handling of sensitive payment data in compliance with PCI DSS
•    Monitor transaction flows, troubleshoot failures, and resolve production issues
•    Collaborate with product, compliance, risk, and operations teams
•    Improve reconciliation, settlement, and reporting processes
•    Participate in architecture design, code reviews, and technical decision-making
•    Maintain technical documentation and operational runbooks
Required Qualifications
•    Bachelor’s degree in computer science, Engineering, or equivalent experience
•    Strong experience with C#, .NET, and ASP.NET Core
•    Experience building backend systems and distributed services
•    Solid understanding of REST APIs, microservices, and service-to-service communication
•    Experience with relational databases (e.g., SQL Server, Oracle, PostgreSQL)
•    Knowledge of secure coding practices, encryption, and authentication
Preferred Qualifications
•    Experience with payment processors or gateways (e.g., Fiserv, Authorize.net, Stripe, Adyen, PayPal etc.)
•    Familiarity with PCI DSS, SOX, or other financial compliance standards
•    Experience with Azure or AWS, including cloud-native .NET applications
•    Knowledge of messaging systems (e.g., Azure Service Bus, RabbitMQ, Kafka)
•    Experience with CI/CD pipelines and DevOps practices
•    Background in fintech or financial services
Skills and Competencies
•    Strong problem-solving and debugging skills
•    High attention to detail for financial accuracy
•    Ability to work on mission-critical, high-availability systems
•    Strong communication and cross-functional collaboration skills
•    Ownership mindset and focus on reliability and security
Work Environment
•    Agile, collaborative engineering team
•    Emphasis on secure, scalable, and reliable systems
•    Opportunity to work on high-impact financial platforms
 Must have Payment System background, solid .Net/API/Microservice technical skills, Solid communication

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