{"schemaVersion":"jobsearcher.job.v1","id":"bfdfa02b3c3e208c64c7045d","url":"https://jobsearcher.com/jobs/bfdfa02b3c3e208c64c7045d","canonicalUrl":"https://jobsearcher.com/jobs/bfdfa02b3c3e208c64c7045d","title":".NET Developer","description":"DescriptionRemoteCandidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and WisconsinOur 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 -102026-109023ResponsibilitiesDesign 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 RequirementsStrong 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","company":"Eliassen Group","rawCompany":"eliassen group","city":"Millbrae","state":"CA","isRemote":false,"isActive":true,"createdAt":"2026-10-19T03:23:58.483Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":".NET Developer","description":"DescriptionRemoteCandidates must be located in these states: Arizona, Connecticut, Massachusetts, Missouri, New Jersey, New York, Florida, Vermont, Virginia, Texas and WisconsinOur 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 -102026-109023ResponsibilitiesDesign 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 RequirementsStrong 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","datePosted":"2026-10-19T03:23:58.483Z","dateModified":"2026-10-19T03:23:58.483Z","hiringOrganization":{"@type":"Organization","name":"Eliassen Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"bfdfa02b3c3e208c64c7045d"},"url":"https://jobsearcher.com/jobs/bfdfa02b3c3e208c64c7045d"}}