Senior Full-Stack .NET Developer

EPAM Systems, Inc.; México; A distancia; MXN 600.000 - 1.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

Paid time off and sick leave

Upskilling, reskilling and certificati­

LinkedIn Learning access

Global career opportunities

Volunteer opportunities

Descripción de la vacante

EPAM Systems, Inc. seeks a Senior Full-Stack .NET Developer to modernize enterprise apps, remediate security vulnerabilities, and support legacy systems while building modern .NET services. You will work across backend, data, and frontend layers, coordinating with DevOps for secure releases.

Responsibilities include addressing OWASP Top 10 findings, securing data access with SQL Server, and delivering ASP.NET Core APIs with robust frontend integration. English proficiency required.

Formación

• 3+ years full-stack .NET development experience.
• Strong .NET security remediation experience (OWASP Top 10).
• Advanced troubleshooting skills for large legacy codebases.
• Proven project ownership across maintenance and modernization efforts.
• Hands-on ASP.NET MVC, WCF, and ADO.NET experience.
• Strong SQL Server skills with secure data access practices.
• Practical JavaScript skills for frontend integration.
• Upper-Intermediate English proficiency (B2).

Responsabilidades

• Investigate and remediate security vulnerabilities, including OWASP Top 10 findings.
• Harden applications against SQL injection, XSS, and dependency risks.
• Maintain and modernize legacy .NET applications using ASP.NET MVC and WCF.
• Build and enhance ASP.NET Core Web APIs and modern .NET services.
• Implement secure data access with SQL Server and ADO.NET.
• Develop frontend features using JavaScript and related web technologies.
• Collaborate with DevOps to support secure CI/CD and production deployments.
• Coordinate work to ensure daily availability until 5:00 PM CT.

Conocimientos

C#

JavaScript

OWASP Top 10

Legacy code troubleshooting

English (B2)

Herramientas

ASP.NET MVC

WCF

ADO.NET

ASP.NET Core Web APIs

SQL Server

Octopus Deploy

OpenID Connect

OAuth2

Descripción del empleo

We are seeking a Senior Full-Stack .NET Developer to strengthen and modernize enterprise applications by remediating security vulnerabilities and supporting legacy systems while building modern .NET services. You will work across backend, data, and frontend layers and partner with DevOps to deliver secure releases.ResponsibilitiesInvestigate and remediate security vulnerabilities, including OWASP Top 10 findingsHarden applications against SQL injection, XSS, and dependency risksMaintain and modernize legacy .NET applications using ASP.NET MVC and WCFBuild and enhance ASP.NET Core Web APIs and modern .NET servicesImplement secure data access with Microsoft SQL Server and ADO.NETDevelop and refine frontend features using JavaScript and related web technologiesCollaborate with DevOps to support secure CI/CD and production deploymentsCoordinate work to ensure daily availability until 5:00 PM CTRequirements3+ years full-stack .NET development experienceStrong .NET security remediation experience with OWASP Top 10Advanced troubleshooting skills for large legacy codebasesProven project ownership across maintenance and modernization effortsSolid C# skills with .NET Framework and modern .NET (6/8+)Hands-on ASP.NET MVC, WCF, and ADO.NET experienceStrong SQL Server skills with secure data access practicesPractical JavaScript skills for frontend integrationUpper-Intermediate English proficiency (B2)Nice to haveOAuth2 knowledgeOpenID Connect knowledgeOctopus Deploy experienceHTML skillsCSS skillsWe offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedInEPAM 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.