EPAM is a leading general 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 seeking a Full-Stack .NET Developer to strengthen application security, support legacy systems, and help modernize services on current .NET. You will work across backend, data, and web UI to remediate vulnerabilities and deliver reliable updates.

Responsibilities

• Investigate and remediate application security vulnerabilities aligned to OWASP Top 10
• Analyze SAST/DAST findings and implement secure fixes for prioritized risks




• Maintain and improve legacy .NET applications and services using ASP.NET MVC and WCF
• Build and extend modern .NET services and APIs to support modernization efforts
• Implement secure data access patterns with ADO.NET and Microsoft SQL Server
• Update and debug frontend behavior using JavaScript to support full-stack delivery
• Collaborate with DevOps to support secure CI/CD workflows and production releases
• Document remediation changes and communicate status during Central Time working hours

Requirements

• Full-stack .NET experience (2+ years) with ADO.NET, ASP.NET MVC, and Microsoft SQL Server
• Security remediation experience addressing OWASP Top 10 issues such as SQL injection and XSS
• Availability alignment with Central Time until 5:00 PM CT for daily collaboration
• Backend development skills with WCF and service-based architectures
• JavaScript proficiency for building and maintaining interactive web interfaces
• Strong troubleshooting

📌 Full-Stack .NET Developer (Colombia)
🏢 EPAM Systems
📍 Colombia