EPAM is a leading integral provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are looking for a Senior Full-Stack .NET Developer to remediate security vulnerabilities, support legacy applications, and modernize services across .NET Framework and .NET 6/8+. You will work across backend, data, and frontend while partnering on secure delivery.

Responsibilities

• Investigate and remediate application security vulnerabilities across OWASP Top 10 and automated SAST/DAST findings
• Harden applications against SQL injection, XSS, and dependency-related risks




• Maintain and modernize legacy .NET Framework applications including ASP.NET Web Forms, ASP.NET MVC, WCF, and ASMX
• Build and enhance ASP.NET Core Web APIs and modern .NET services using clean architecture practices
• Implement secure data access with Microsoft SQL Server and ADO.NET
• Develop and refine frontend features using JavaScript and existing UI patterns
• Collaborate with DevOps to support secure CI/CD pipelines and production deployments
• Troubleshoot production issues and deliver timely fixes with minimal risk
• Review code changes for security, maintainability, and backward compatibility
• Document remediation decisions and modernization steps for future maintenance

Requirements

• 3+ years of full-stack .NET development experience
• Strong leadership and ownership skills to drive remediation and modernization work
• Daily availability aligned to 5:00 PM CT (Central Time)
• C# and .NET Framew

📌 Senior Full-Stack .NET Developer (México)
🏢 Epam Systems
📍 México