Description:
RemoteCandidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and Wisconsin Our client seeks experienced .NET Developers to support a large-scale modernization initiative replacing legacy mainframe applications with modern .NET-based services and APIs. You will focus on backend development, enterprise integrations, and event-driven applications. You will build scalable services that integrate with internal and third-party systems and collaborate with engineering teams to modernize critical enterprise applications. This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $65.00 to $75.00/hr. w2JN -102026-109023
Responsibilities:
Design and develop backend services and REST APIs using modern .NET.Build replacement services as part of a legacy mainframe modernization effort.
Review existing mainframe code to understand business logic and use it as reference when developing new solutions.
Develop event-driven services, consumers, and publishers.
Build and support integrations with enterprise and third-party applications.
Contribute to finance-related services, APIs, payroll workflows, and data integrations.
Work within shared enterprise repositories and established development standards.
Collaborate with engineering teams on the modernization of critical enterprise applications.
Experience Requirements:
Strong hands-on experience with .NET/C# development.
Experience developing REST APIs and backend services.
Strong understanding of enterprise application development.
Experience working with integrations between multiple applications or systems.
Experience developing and supporting production-grade applications.
Ability to understand existing application logic and translate legacy functionality into modern services.
Mid-level to senior development experience.
Preferred:
Kafka, event-driven architecture, event sourcing, messaging architectures, event consumers and publishers, consumer-driven services, third-party integrations, finance or payroll-related applications, integrations with platforms such as Salesforce, Concur, or OneStream, legacy or mainframe modernization initiatives, Apicurio. Interest in AI/LLM is a plus.
Education Requirements:
