Full-Stack .NET Developer (Security & Modernization)

EPAM Systems; México; Remote; MXN 500,000 - 800,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Upskilling & certification

Learning library access

Job summary

EPAM Systems is seeking a skilled Full-Stack .NET Developer to contribute to security remediation, legacy modernization, and modernization efforts under senior guidance. The role spans backend C#/.NET, SQL Server, and frontend work with HTML/CSS/JavaScript, including modern SPA frameworks.

You will collaborate with DevOps on CI/CD and production deployments, tackling OWASP Top 10 vulnerabilities and improving secure data access patterns across ASP.NET Web Forms, MVC, WCF, ASMX, and ASP.NET Core

Qualifications

• 2+ years of full-stack .NET development experience.
• Experience with C#, .NET Framework, and SQL Server.
• Familiarity with ASP.NET Web Forms, MVC, and REST APIs.

Responsibilities

• Investigate and remediate application security vulnerabilities (OWASP Top 10, SAST/DAST).
• Support modernization of legacy ASP.NET applications (Web Forms, MVC, WCF, ASMX).
• Develop ASP.NET Core Web APIs and modern .NET services.
• Collaborate with frontend development (HTML, CSS, JavaScript/TypeScript, jQuery, SPA frameworks).
• Work with DevOps on CI/CD processes and deployments.

Skills

C#

.NET Framework

ASP.NET Web Forms

ASP.NET MVC

ASP.NET Core

REST APIs

SQL Server

HTML

CSS

JavaScript

TypeScript

jQuery

Tools

TeamCity

Octopus Deploy

IIS

Job description

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.ResponsibilitiesAssist in investigating and remediating application security vulnerabilities, including OWASP Top 10, SAST/DAST findings, SQL injection, XSS, and dependency risksSupport and help modernize legacy ASP.NET Web Forms, MVC, WCF, and ASMX applicationsParticipate in the development and enhancement of ASP.NET Core Web APIs and modern .NET servicesWork with SQL Server, ADO.NET, EF Core/Dapper, following secure data access practicesContribute to frontend development using HTML, CSS, JavaScript/TypeScript, jQuery, and modern SPA frameworksCollaborate with DevOps engineers on CI/CD processes and production deploymentsRequirements2+ years of full-stack .NET development experienceSolid knowledge of C#, .NET Framework, and SQL ServerWorking experience with ASP.NET Web Forms and MVCFamiliarity with .NET 6/8+, ASP.NET Core, and REST APIsUnderstanding of dependency injectionBasic application security awareness and familiarity with OWASP Top 10Experience with at least one of the following: React, Angular, or Vue.jsGood troubleshooting skills and willingness to work with legacy codebasesEnglish proficiency at an Intermediate level or higher (B1+)Nice to haveExposure to TeamCity, Octopus Deploy, or IISBasic understanding of OAuth2, OIDC, and JWTSkills in HTML, CSS, and jQueryWe 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.