Nearshore Business Solutions ยท 1 month ago
Senior C# Developer
United States
Full-time
Remote
Senior Level
5+ years expNearshore Business Solutions is seeking a skilled Senior C# Developer with strong .NET Core expertise to join their team for a high-impact payment systems integration project. The role involves building and maintaining secure, scalable payment processing solutions that integrate with over 250 global processors, supporting major hospitality and retail clients.
Outsourcing/Offshoring
Responsibilities
Develop microservices using C# and .NET Core 8.0 within Linux Docker containers
Integrate payment gateways including Stripe, Global Payments, Freedom Pay, and others
Implement PCI-compliant iframe solutions for secure payment capture
Build and maintain robust RESTful APIs for payment processing
Develop React.js (TypeScript) components for frontend payment interfaces
Optimize performance for high-volume transaction systems
Assist with .NET Core upgrades and modernization initiatives
Ensure secure transaction storage and database integration with Azure SQL
Qualification
Required
Excellent English proficiency (written and spoken)
5+ years of professional C# development experience with .NET Core/.NET Framework
3+ years working with payment systems, fintech, or transaction-heavy platforms
Strong experience integrating third-party APIs at scale
Background in hospitality or retail payment solutions is highly desirable
Hands-on experience with microservices architecture and Docker (Linux containers)
Familiarity with cloud platforms (Azure preferred; AWS a plus)
Proven ability to design and implement PCI-compliant, secure payment solutions
Preferred
Experience with multi-tenant SaaS platforms
Previous migration experience from .NET Core 2.2 to 8.0
Knowledge of React.js with TypeScript and server-side rendering
Exposure to monitoring tools such as Datadog and Sentry.io
Benefits
Competitive USD compensation with performance-based bonuses
Fully remote work with flexible hours and generous time off
Annual learning budget for certifications, conferences, and training
Direct collaboration with Fortune 500 clients and growing SMBs
Annual company retreat and regular team-building events
Support for open-source contributions and speaking engagements
Transparent compensation structure with clear career progression
Company
Nearshore Business Solutions
We help US companies rapidly build and scale remote and in person teams in Latin America.
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase