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 seeking a Senior Full-Stack .NET Developer to strengthen security, support legacy applications, and drive modernization across .NET Framework and .NET 6/8+ services. You will remediate vulnerabilities, enhance APIs and data access, and collaborate on reliable releases.

Responsibilities

- Investigate and remediate application security vulnerabilities, including OWASP Top 10 findings
- Maintain and modernize legacy .NET Framework applications using ASP.NET MVC and WCF
- Develop and enhance modern .NET services and RESTful APIs on .NET 6/8+
- Implement secure data access with SQL Server and ADO.NET
- Harden applications against SQL injection, XSS, and dependency risks
- Collaborate with DevOps to support secure CI/CD pipelines and production releases
- Coordinate work to ensure daily availability until 5:00 PM CT

Requirements





- 3+ years full-stack .NET development experience
- Proven project delivery experience modernizing and supporting large legacy codebases
- Advanced C# and .NET Framework skills with ASP.NET MVC and WCF
- Strong SQL Server and ADO.NET skills with secure data access practices
- Practical application security knowledge with OWASP Top 10 remediation experience
- Upper-Intermediate English proficiency (B2) for daily collaboration

Nice to have

- OAuth2 implementation experience
- OpenID Connect (OIDC) knowledge
- Octopus Deploy experience
- Strong HTML skills
- Strong CSS skills

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.

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