NET Full Stack Developer

SLK America, Inc.
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Tech stack

ASP.NET
.NET
API
Amazon Web Services (AWS)
Application Performance Management
Azure
C Sharp (Programming Language)
Code Review
Continuous Integration
DevOps
Online Banking
Payment Systems
Entity Framework
JSON
NoSQL
OAuth
PCI Data Security Standards
Performance Tuning
RabbitMQ
Standard Sql
TypeScript
XML
File Transfer Protocol (FTP)
.NET Core
React
Backend
Angular
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.

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