Full-Stack .NET Developer

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 skills for diagnosing issues in legacy codebases Upper-Intermediate English (B2) proficiency for clear written and spoken communication Nice to have Octopus Deploy OAuth2 OpenID Connect HTML CSS We offer International projects with top brands Work with global teams of highly skilled, diverse peers Healthcare benefits Employee financial programs Paid time off and sick leave Upskilling, reskilling and certification courses Unlimited access to the LinkedIn Learning library and 22,000+ courses Global career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.