Senior Dotnet Developer (Senior .NET Developer)

Job Description

We are looking for highly experienced Senior .NET Developer who is strong in below areas.

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Also who can work on our W2 Payroll (with/without sponsorship) - No VISA Restriction.

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Role: Senior .NET Developer/Lead

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Role Type: Long Term W2 Contract Only - No Third Party C2C is allowed.

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Location: Trenton, NJ (100% Onsite) - No Remote work is allowed.

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Interview Mode: In-Person/F2F Only

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Mandated Skills/Experience:

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• Minimum 12-15 years experienced in C#/.NET application development, in the capacity of leading the team/responsibilities related to mentor mid/junior C# developers; perform code reviews; drive engineering quality.
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• Expertise in .NET Framework and .NET Core/6/8+) and Entity Framework / EF Core.
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• Strong RDBMS such as PostgreSQL strongly preferred (Oracle/SQL Server acceptable).
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• ASP.NET Core Web API design (REST) for front-end integration.
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• SOLID design patterns.
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• Unit/integration/regression testing frameworks; TDD/mocking
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• Git, CI/CD, and static code analysis (SonarQube)
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• Proven ability to read, reason about, and safely refactor large, unfamiliar codebases
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• Exceptional attention to correctness — financial/benefit calculation accuracy
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• Hands-on with AWS experience.
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• Experience integrating with enterprise job schedulers (Stonebranch, Control-M, CA7).
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• Npgsql specifics, EF Core performance internals, or ORM migration experience.
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