NET Full Stack Developer

SLK America, Inc.
United States
25 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
4 years minimum
Working hours
Regular working hours
Job source

Tech stack

ASP.NET .NET Framework Application Programming Interfaces (APIs) Amazon Web Services Application Performance Management Microsoft Azure C Sharp (Programming Language) Code Review Continuous Integration DevOps Online Banking Payment Systems
+23 more
Entity Framework JSON NoSQL OAuth PCI Data Security Standards Performance Tuning RabbitMQ Standard Sql TypeScript Extensible Markup Language (XML) File Transfer Protocol (FTP) .NET Core ReactJS Backend AngularJS Kubernetes ISO 20022 Standard Enterprise Integration Event Sourcing Terraform Grpc Docker Microservices

Job description

Senior .NET Full Stack Developer emphasizing backend for platform integrations and payments processing in our core banking systems. You’‘ll drive secure, scalable solutions for transaction workflows, third-party gateways, and regulatory-compliant payment platforms., * Develop backend services in .NET Core/8+ for payments processing, including ISO 20022/SWIFT message handling, real-time rails (FPS, RTP), and full lifecycle from initiation to settlement/reconciliation.

  • Integrate platforms with bank APIs, third-party gateways (e.g., Visa, ACH), SFTP/XML/JSON feeds, and microservices using ASP.NET API, gRPC, and queues like RabbitMQ.
  • Contribute full stack with Angular/React frontends for payment dashboards, while optimizing SQL Server/NoSQL for high-volume financial data and ensuring PCI-DSS compliance.
  • Manage CI/CD via Azure DevOps, Docker/Kubernetes deployments, performance tuning, and monitoring with Application Insights for production stability.
  • Lead code reviews, agile collaboration with fintech teams, and troubleshooting for payments and integration issues.

Requirements

  • 8+ years .NET backend experience, including 4+ years in payments/integration (ISO 20022, SWIFT MT/MX, SEPA, Open Banking).
  • Expertise in C#, async APIs, Entity Framework, secure auth (OAuth/JWT), and cloud (Azure/AWS) for scalable financial apps.
  • Strong SQL, message processing, error handling, and regulated environments; full stack basics (Angular/TypeScript).

Preferred Skills

  • Banking payments (ACH, wire, RTP), event sourcing, and DevOps tools (Terraform, ELK).
  • Certifications: Microsoft Azure Developer Associate.

Apply for this position

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