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.

Responsibilities

- 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





Requirements

- 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+)

Nice to have

- 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