Senior .NET Modernization Engineer

Job Title: Senior .NET Modernization Engineer Key Skills: .NET, MongoDB, SaaS platforms, AI Location: Brazil Mode: Remote We at Coforge are hiring Senior .NET Modernization Engineer the following skill set. Key Responsibilities Modernize legacy .NET Framework 4.8 applications through .NET Standard and ultimately .NET 6. Upgrade legacy libraries, dependencies, MongoDB drivers, and components while addressing vulnerabilities and CVEs. Analyze complex dependencies within a large monolithic codebase and define safe, incremental migration approaches. Build and enhance automated tests and regression coverage to ensure changes do not impact production customers. Utilize modern AI development tools to accelerate analysis and implementation while maintaining a quality-first approach. Required Skills & Qualifications Strong hands-on .Net C# expertise. Proven experience migrating .NET Framework applications to modern .NET. Experience modernizing SaaS platforms. Strong understanding of legacy dependencies, libraries, testing, and incremental modernization. Ability to independently troubleshoot complex systems and make sound architectural and implementation decisions. Experience with AI in Performance Engineering is highly desirable. Posted On: 29-10-2026 At Coforge, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.