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Senior Full-Stack .NET Developer

Role overview

Qualifications

  • 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

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

Key facts

Hard skills

Other skills

  • Collaboration

About the company

EPAM Systems logo

EPAM Systems

  • IT Services & Consulting
  • XLarge
  • 10,001+
Since 1993, EPAM Systems, Inc. (NYSE: EPAM) has used its software engineering expertise to become a leading global provider of digital engineering, cloud and AI-enabled transformation services, and a leading business and experience consulting partner for global enterprises and ambitious startups. We address our clients’ transformation challenges by fusing EPAM Continuum’s integrated strategy, experience and technology consulting with our 30+ years of engineering execution to speed our clients’ time to market and drive greater value from their innovations and digital investments. We make GenAI real with our AI LLM orchestration, testing and engineering solutions, EPAM DIAL, EPAM EliteA™ and EPAM AI/RUN™, respectively. We deliver globally, but engage locally with our expert teams of consultants, architects, designers and engineers, making the future real for our clients, our partners and our people around the world. We believe the right solutions are the ones that improve people’s lives and fuel competitive advantage for our clients across diverse industries. Our thinking comes to life in the experiences, products and platforms we design and bring to market. Added to the S&P 500 and the Forbes Global 2000 in 2021 and recognized by Glassdoor and Newsweek as a Top 100 Best Workplace, our multidisciplinary teams serve customers across six continents. We are proud to be among the top 15 companies in Information Technology Services in the Fortune 1000 and to be recognized as a leader in the IDC MarketScapes for Worldwide Experience Build Services, Worldwide Experience Design Services and Worldwide Software Engineering Services. Learn more at www.epam.com.

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Job description

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

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