Java Developer – Spring Boot & Java Modernization

We are looking for 2 experienced Java Developers to join our team and support a major application modernization initiative. The primary focus of this role will be upgrading applications from Spring Boot 2.7 to Spring Boot 3.5

and migrating from Java 11/17 to Java 21

.

The ideal candidate will have strong hands-on experience in Java and Spring Boot, with a proven ability to troubleshoot application compatibility, dependency, build, and migration-related challenges.

Key Responsibilities

• Perform application upgrades from Spring Boot 2.7 to 3.5 .
• Migrate applications from Java 11/17 to Java 21 .
• Analyze and resolve compatibility issues arising from Java and Spring Boot upgrades.
• Troubleshoot Maven builds, pom.xml configurations, dependencies, plugins, and version conflicts .
• Identify and resolve issues related to deprecated APIs, library changes, and breaking changes during migration.
• Upgrade and manage application dependencies and ensure compatibility with the target technology stack.
• Execute unit, integration, and regression testing following application upgrades.
• Investigate and resolve build failures, runtime issues, and migration-related defects.
• Collaborate with development and QA teams to ensure a smooth modernization and release process.
• Document upgrade-related issues, solutions, and best practices.

Required Skills & Experience

• Strong hands-on experience with Java development.
• Strong experience with Spring Boot , preferably including Spring Boot 2.x and 3.x.
• Experience with Java version upgrades , particularly Java 11/17 to Java 21.
• Practical experience in application modernization and dependency upgrades .
• Strong knowledge of Maven , including:
• pom.xml configuration
• Dependency management
• Plugin versions
• Dependency conflicts
• Build troubleshooting
• Experience identifying and resolving compatibility and migration issues .
• Good understanding of application testing, debugging, and troubleshooting.
• Ability to independently analyze upgrade challenges and implement effective solutions.

Good to Have

• Experience with Python for scripting, automation, or application support.
• Familiarity with CI/CD pipelines and build automation.
• Experience working with enterprise application modernization initiatives.
• Exposure to cloud-based application environments.

What We’re Looking For We are looking for developers who are hands-on problem solvers and can take ownership of Java/Spring Boot upgrade activities. The primary requirement is strong expertise in Java, Spring Boot, Maven, dependency management, and application migration

.

Python is a plus, but not mandatory

.

Interested?

If you have strong experience in Java + Spring Boot modernization and have worked on Java/Spring Boot version upgrades and Maven dependency/build issues

, we’d love to hear from you.

Apply now or share your profile with us.