We are seeking a hands-on Java Software Engineer to support a large-scale application modernization initiative. This role will help migrate more than 4,000 applications to current Spring Boot, Gradle, and Java versions while partnering with engineering teams to diagnose and resolve migration issues. The work requires deep familiarity with the Java open-source ecosystem and practical experience modernizing enterprise applications.
Key Responsibilities
Support modernization across a large Java application ecosystem.
Assist teams migrating more than 4,000 applications to the latest Spring Boot versions.
Migrate applications to Spring Boot 3 and Spring Boot 4.
Upgrade application builds from Gradle 8 to Gradle 9.
Support application transitions from Java 17 to Java 25.
Troubleshoot and resolve framework, build, dependency, and runtime migration issues.
Collaborate with engineering teams throughout application migrations.
Communicate migration findings, blockers, and resolutions clearly.
Qualifications
Must-Have Skills
Strong hands-on experience with Java.
Experience migrating applications to Spring Boot 3 and Spring Boot 4.
Experience upgrading Gradle.
Experience migrating applications from Java 17 to Java 25.
Deep understanding of the Java open-source ecosystem.
Experience troubleshooting and resolving application migration issues.
Strong collaboration and communication skills.
Ability to work versátil hours that overlap with the US team.
Nice-to-Have Skills
Experience with large-scale application modernization or migration projects.
Experience automating application migrations.
Familiarity with AI tools.
Familiarity with build optimization and dependency management.
Experience working with enterprise Java applications at scale.
Enterprise experience strongly preferred.
Additional Information
Required Tools & Platforms
Java 17 and Java 25.
Spring Boot 3 and Spring Boot 4.
Gradle 8 and Gradle 9.