We are looking for a
Full-Stack .NET Developer
with experience in both legacy .NET Framework and modern .NET (.NET 6/8+). You will contribute to security vulnerability remediation, legacy application support, and modernization efforts under the guidance of senior team members.
Assist in investigating and remediating application security vulnerabilities, including OWASP Top 10, SAST/DAST findings, SQL injection, XSS, and dependency risks Support and help modernize legacy ASP.NET Web Forms, MVC, WCF, and ASMX applications Participate in the development and enhancement of ASP.NET Core Web APIs and modern .NET services Work with SQL Server, ADO.NET, EF Core/Dapper, following secure data access practices Contribute to frontend development using HTML, CSS, JavaScript/TypeScript, jQuery,



and modern SPA frameworks Collaborate with DevOps engineers on CI/CD processes and production deployments 2+ years of full-stack .NET development experience Solid knowledge of C#, .NET Framework, and SQL Server Working experience with ASP.NET Web Forms and MVC Familiarity with .NET 6/8+, ASP.NET Core, and REST APIs Understanding of dependency injection Basic application security awareness and familiarity with OWASP Top 10 Experience with at least one of the following: React, Angular, or Vue.js Good troubleshooting skills and willingness to work with legacy codebases English proficiency at an Intermediate level or higher (B1+) Exposure to TeamCity, Octopus Deploy, or IIS Basic understanding of OAuth2, OIDC, and JWT Skills in HTML, CSS, and jQuery

📌 Full-Stack .Net Developer (Security & Modernization) (México)
🏢 Epam Systems
📍 México