{"schemaVersion":"jobsearcher.job.v1","id":"da14cbe610b11d5b17d0feeb","url":"https://jobsearcher.com/jobs/da14cbe610b11d5b17d0feeb","canonicalUrl":"https://jobsearcher.com/jobs/da14cbe610b11d5b17d0feeb","title":".Net Core Developer - API Gateway Exp","description":"Position: .Net Core Developer - API Gateway ExpLocation: Houston, TX – Hybrid ModelLong Term ContractWe are hiring an experienced .NET Core Developer with expertise in payment gateway and switch development. The role involves designing, developing, and optimizing high-performance payment processing systems with a focus on API-based integrations, and transaction processing for fintech platforms.10 years of development experience in .NET Core / C# / ASP.NET Core with API Gateway mustKey Responsibilities:Develop and maintain payment gateway & switch applications using .NET Core / C#.Build and optimize high-performance APIs, microservices, and transaction routing engines.Work with BA, Product, and Ops teams to translate requirements into technical solutions.Debug, troubleshoot, and resolve transaction failures, settlement/reconciliation issues.Participate in SIT, UAT, and production support for payment projects.Contribute to code reviews, best practices, and process automationDesired profile of the candidate:10 years of development experience in .NET Core / C# / ASP.NET Core.Strong experience in payment systems, fintech, banking technology, or switch development.Hands-on expertise with transaction routing, host-to-host integrations.Proficiency in Web API, REST, microservices, SQL Server, Entity Framework, LINQ.Familiarity with cloud platforms (Azure / AWS) preferred.Knowledge of RBI/PCI-DSS standards, security & encryption in financial applications.Strong debugging, performance tuning, and problem-solving skills.","company":"Rsa Tech","rawCompany":"rsa tech","city":"Houston","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-07-04T09:19:35.097Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":".Net Core Developer - API Gateway Exp","description":"Position: .Net Core Developer - API Gateway ExpLocation: Houston, TX – Hybrid ModelLong Term ContractWe are hiring an experienced .NET Core Developer with expertise in payment gateway and switch development. The role involves designing, developing, and optimizing high-performance payment processing systems with a focus on API-based integrations, and transaction processing for fintech platforms.10 years of development experience in .NET Core / C# / ASP.NET Core with API Gateway mustKey Responsibilities:Develop and maintain payment gateway & switch applications using .NET Core / C#.Build and optimize high-performance APIs, microservices, and transaction routing engines.Work with BA, Product, and Ops teams to translate requirements into technical solutions.Debug, troubleshoot, and resolve transaction failures, settlement/reconciliation issues.Participate in SIT, UAT, and production support for payment projects.Contribute to code reviews, best practices, and process automationDesired profile of the candidate:10 years of development experience in .NET Core / C# / ASP.NET Core.Strong experience in payment systems, fintech, banking technology, or switch development.Hands-on expertise with transaction routing, host-to-host integrations.Proficiency in Web API, REST, microservices, SQL Server, Entity Framework, LINQ.Familiarity with cloud platforms (Azure / AWS) preferred.Knowledge of RBI/PCI-DSS standards, security & encryption in financial applications.Strong debugging, performance tuning, and problem-solving skills.","datePosted":"2026-07-04T09:19:35.097Z","dateModified":"2026-07-04T09:19:35.097Z","hiringOrganization":{"@type":"Organization","name":"Rsa Tech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Houston","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"da14cbe610b11d5b17d0feeb"},"url":"https://jobsearcher.com/jobs/da14cbe610b11d5b17d0feeb"}}