{"schemaVersion":"jobsearcher.job.v1","id":"c99a9865e452f9858bd14f22","url":"https://jobsearcher.com/jobs/c99a9865e452f9858bd14f22","canonicalUrl":"https://jobsearcher.com/jobs/c99a9865e452f9858bd14f22","title":"Java Back End Developer","description":"Full Stack DeveloperSeeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications, API development, and cloud-based solutions. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.Key Responsibilities:Develop and maintain backend services and APIs using JAVA within Windows Server environmentsDesign and optimize database solutions using Oracle DB and PL/SQLBuild and support cloud-based applications leveraging AWS (EC2, RDS, S3)Implement and maintain secure, high-performance integrations (including payment gateways such as TSYS and Financial/EMV)Develop Windows Services and background job processing componentsSupport multi-tenant application architectures and distributed systemsWork on low-level networking solutions including TCP/IP socket programmingCollaborate with cross-functional teams to modernize legacy .NET systemsImplement secure file transfer and encryption integrations (SFTP, RSA certificates)Contribute to system scalability, performance tuning, and reliability improvementsRequired Skills:Strong experience with C#/.NET developmentExpertise in Oracle DB and PL/SQLExperience building Windows Server-based APIsHands-on experience with AWS services (EC2, RDS, S3)Preferred Qualifications:Experience with Windows Services and asynchronous/background processingKnowledge of payment processing systems and POS/payment integrationsFamiliarity with multi-tenant architecture designExperience with TCP/IP socket programmingNice to Have:Experience with SFTP and RSA-based integrationsExposure to legacy application modernization (especially.NET)Awareness of AI/ML integration strategies","company":"Infopeople","rawCompany":"infopeople","city":"Needham","state":"MA","isRemote":false,"isActive":false,"createdAt":"2026-08-25T05:52:24.046Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Java Back End Developer","description":"Full Stack DeveloperSeeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications, API development, and cloud-based solutions. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.Key Responsibilities:Develop and maintain backend services and APIs using JAVA within Windows Server environmentsDesign and optimize database solutions using Oracle DB and PL/SQLBuild and support cloud-based applications leveraging AWS (EC2, RDS, S3)Implement and maintain secure, high-performance integrations (including payment gateways such as TSYS and Financial/EMV)Develop Windows Services and background job processing componentsSupport multi-tenant application architectures and distributed systemsWork on low-level networking solutions including TCP/IP socket programmingCollaborate with cross-functional teams to modernize legacy .NET systemsImplement secure file transfer and encryption integrations (SFTP, RSA certificates)Contribute to system scalability, performance tuning, and reliability improvementsRequired Skills:Strong experience with C#/.NET developmentExpertise in Oracle DB and PL/SQLExperience building Windows Server-based APIsHands-on experience with AWS services (EC2, RDS, S3)Preferred Qualifications:Experience with Windows Services and asynchronous/background processingKnowledge of payment processing systems and POS/payment integrationsFamiliarity with multi-tenant architecture designExperience with TCP/IP socket programmingNice to Have:Experience with SFTP and RSA-based integrationsExposure to legacy application modernization (especially.NET)Awareness of AI/ML integration strategies","datePosted":"2026-08-25T05:52:24.046Z","dateModified":"2026-08-25T05:52:24.046Z","hiringOrganization":{"@type":"Organization","name":"Infopeople","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Needham","addressRegion":"MA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c99a9865e452f9858bd14f22"},"url":"https://jobsearcher.com/jobs/c99a9865e452f9858bd14f22"}}