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.