Principal C#/.NET Engineer — Mainframe Modernization Hybrid
Listed on 2026-10-15
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Software Development
.NET Developer, C# / Unity Developer, Software Engineer, Backend Developer
NJDHS in New Jersey seeks a Lead C#/.NET Engineer to modernize a large mainframe-derived benefits system, converting COBOL/JCL to C#, and migrating data to PostgreSQL on AWS. You will define EF Core data models, APIs, and CI/CD processes while preserving exact business logic and performance within nightly batch windows.
The role combines leadership with hands-on development, ensuring correctness, scalability, and maintainability of critical government benefits software.
Join us at Rulesys Technologies Inc as our next Principal C#/.NET Engineer — Mainframe Modernization Hybrid in Hamilton, NJ, United States.
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This posting is for the Principal C#/.NET Engineer — Mainframe Modernization Hybrid role at Rulesys Technologies Inc, based in Hamilton, NJ, United States.
We are looking to fill the Principal C#/.NET Engineer — Mainframe Modernization Hybrid position at Rulesys Technologies Inc in Hamilton, NJ, United States.
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