{"schemaVersion":"jobsearcher.job.v1","id":"53550928fb072a2cf29f400b","url":"https://jobsearcher.com/jobs/53550928fb072a2cf29f400b","canonicalUrl":"https://jobsearcher.com/jobs/53550928fb072a2cf29f400b","title":"Senior Java Developer (Java 21 Modernization)","description":"Job SummaryWe are seeking an experienced Senior Java Modernization Engineer to lead the modernization and upgrade of legacy J2EE applications to Java 21. The ideal candidate will have strong expertise in Java, Spring, AWS, application modernization, and hands-on experience using OpenRewrite for automated code refactoring and migrations.Mandatory SkillsStrong experience in Java/J2EE developmentExpertise in Spring Framework / Spring BootExperience with Apache StrutsStrong knowledge of MavenExperience with IBM WebSphere Application Server or Open Liberty/WebSphere LibertyHands-on experience with DockerExperience using OpenRewrite for Java application modernizationStrong database experience with Oracle DatabaseExperience working with AWS Cloud ServicesHands-on experience with Claude Code/CLI or other AI-assisted development toolsProven experience upgrading legacy applications to Java 21Prior experience in J2EE application migration and modernization projectsResponsibilitiesUpgrade and modernize legacy J2EE applications to Java 21.Analyze and refactor existing codebases using OpenRewrite and modernization tools.Migrate applications running on WebSphere to modern runtime environments where applicable.Develop and maintain enterprise applications using Java, Spring, and AWS services.Work closely with architects and business teams to define modernization strategies.Containerize applications using Docker.Optimize application performance, security, and scalability.Leverage AI development tools such as Claude Code/CLI to improve engineering productivity.","company":"Arkhya Tech","rawCompany":"arkhya tech","city":"Dallas","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-10-22T10:14:38.920Z","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":"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":"Senior Java Developer (Java 21 Modernization)","description":"Job SummaryWe are seeking an experienced Senior Java Modernization Engineer to lead the modernization and upgrade of legacy J2EE applications to Java 21. The ideal candidate will have strong expertise in Java, Spring, AWS, application modernization, and hands-on experience using OpenRewrite for automated code refactoring and migrations.Mandatory SkillsStrong experience in Java/J2EE developmentExpertise in Spring Framework / Spring BootExperience with Apache StrutsStrong knowledge of MavenExperience with IBM WebSphere Application Server or Open Liberty/WebSphere LibertyHands-on experience with DockerExperience using OpenRewrite for Java application modernizationStrong database experience with Oracle DatabaseExperience working with AWS Cloud ServicesHands-on experience with Claude Code/CLI or other AI-assisted development toolsProven experience upgrading legacy applications to Java 21Prior experience in J2EE application migration and modernization projectsResponsibilitiesUpgrade and modernize legacy J2EE applications to Java 21.Analyze and refactor existing codebases using OpenRewrite and modernization tools.Migrate applications running on WebSphere to modern runtime environments where applicable.Develop and maintain enterprise applications using Java, Spring, and AWS services.Work closely with architects and business teams to define modernization strategies.Containerize applications using Docker.Optimize application performance, security, and scalability.Leverage AI development tools such as Claude Code/CLI to improve engineering productivity.","datePosted":"2026-10-22T10:14:38.920Z","dateModified":"2026-10-22T10:14:38.920Z","hiringOrganization":{"@type":"Organization","name":"Arkhya Tech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Dallas","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"53550928fb072a2cf29f400b"},"url":"https://jobsearcher.com/jobs/53550928fb072a2cf29f400b"}}