Description
Remote
Candidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and Wisconsin
We’re looking for a Lead .NET Developer to help drive a large-scale modernization initiative replacing legacy mainframe applications with modern .NET services and APIs.
This is a hands-on technical leadership role for someone who can lead backend development, influence solution design, and help guide the transition of critical enterprise applications to modern, event-driven architectures.
Rate: $70.00 to $78.00/hr. w2
JN -102026-109023
Responsibilities
Lead the design and development of backend services and REST APIs using .NET/C#
Help drive the modernization of legacy mainframe applications into modern .NET services
Translate existing mainframe business logic into scalable, maintainable solutions
Design and build event-driven services, consumers, and publishers
Lead integrations across internal and third-party enterprise platforms
Provide technical guidance and help establish development best practices
Partner with engineering teams on architecture, design decisions, and implementation
Support finance, payroll, data, and other business-critical integrations
Mentor developers and provide technical direction throughout modernization efforts
Experience Requirements
Strong hands-on .NET/C# development experience
Advanced experience building REST APIs and backend services
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Strong experience with Kafka & event-driven architecture
Experience with Apicurio or similar tools for schema design
Strong enterprise application development background
Experience designing integrations across multiple systems
Experience building and supporting production-grade applications
Ability to analyze legacy applications and translate business logic into modern services
Experience providing technical leadership, architecture guidance, or mentoring
