Full-Stack .NET Developer (Security & Modernization)

EPAM Systems; Brasil; Remote; BRL 120,000 - 180,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off and sick leave

Upskilling and certification courses

LinkedIn Learning access

Global career opportunities

Job summary

EPAM Systems is seeking a Full-Stack .NET Developer with experience in both legacy .NET Framework and modern .NET 6/8+. You will contribute to security remediation, legacy application support, and modernization efforts under senior guidance.

You will collaborate with frontend teams, work with SQL Server, EF Core/Dapper, and participate in CI/CD and deployments. This role offers exposure to international projects, upskilling opportunities, and a supportive environment.

Qualifications

• 2+ years of full-stack .NET development experience.
• Solid knowledge of C#, .NET Framework, and SQL Server.
• Experience with ASP.NET Web Forms and MVC.
• Familiarity with .NET 6/8+, ASP.NET Core, and REST APIs.
• Understanding of dependency injection and secure coding practices.
• Experience with React, Angular, or Vue.js is a plus.
• English proficiency at least B1.

Responsibilities

• Investigate and remediate application security vulnerabilities including OWASP Top 10 and SAST/DAST findings.
• Support and modernize legacy ASP.NET Web Forms, MVC, WCF, and ASMX apps.
• Develop and enhance ASP.NET Core Web APIs and modern .NET services.
• Work with SQL Server, ADO.NET, EF Core/Dapper with secure data access.
• Contribute to frontend development using HTML, CSS, JavaScript/TypeScript, and jQuery.
• Collaborate with DevOps on CI/CD processes and production deployments.

Skills

C# proficiency

ASP.NET MVC

SQL Server

REST APIs

JavaScript/TypeScript

OWASP Top 10

CI/CD

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.