Senior Full-Stack .NET Developer

EPAM Systems

📍 Mexico, Colombia, Brazil On-Site ⏳ 20h ago
AI assistant

Job Description

We are seeking a Senior Full-Stack .NET Developer to strengthen and modernize enterprise applications by remediating security vulnerabilities and supporting legacy systems while building modern .NET services. You will work across backend, data, and frontend layers and partner with DevOps to deliver secure releases.

Responsibilities

  • Investigate and remediate security vulnerabilities, including OWASP Top 10 findings
  • Harden applications against SQL injection, XSS, and dependency risks
  • Maintain and modernize legacy .NET applications using ASP.NET MVC and WCF
  • Build and enhance ASP.NET Core Web APIs and modern .NET services
  • Implement secure data access with Microsoft SQL Server and ADO.NET
  • Develop and refine frontend features using JavaScript and related web technologies
  • Collaborate with DevOps to support secure CI/CD and production deployments
  • Coordinate work to ensure daily availability until