The Role
Lead and support large-scale Java modernization: migrate 4,000+ apps to Spring Boot 3/4, upgrade Gradle and Java versions, troubleshoot compatibility issues, and collaborate with engineering teams to optimize builds and dependencies.
Summary Generated by Built In
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.
WHY JOIN US
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!
ABOUT THE ROLE
We are looking for a Senior Java Engineer to support the modernization of a large-scale Java ecosystem, assisting with the migration of 4,000+ applications to the latest Spring Boot versions, upgrading from Gradle 8 to Gradle 9, and supporting the transition from Java 17 to Java 25. You will collaborate with engineering teams across the organization to troubleshoot migration issues, resolve compatibility blockers, and contribute to build optimization and dependency management at enterprise scale. The role requires flexible hours to overlap with US team schedules.
WHAT YOU WILL DO
- Support the Java ecosystem modernization;
- Assist with the migration of 4,000+ applications to the latest Spring Boot versions;
- Upgrade applications from Gradle 8 to Gradle 9;
- Support the transition from Java 17 to Java 25;
- Collaborate with teams across the organization to assist with migrations.
MUST HAVES
- +4 hands-on years of 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 (e.g. Datadog, Splunk, New Relic, or similar);
- Strong collaboration and communication skills;
- Ability to work flexible hours to overlap with the US team;
- Upper-intermediate English level.
NICE TO HAVES
- 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.
PERKS AND BENEFITS
- Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.
- Competitive compensation: USD-based pay with education, fitness, and team activity budgets.
- Exciting projects: Modern solutions with Fortune 500 and top product companies.
- Flextime: Flexible schedule with remote and office options.
Skills Required
- +4 hands-on years of experience with Java
- Experience migrating applications to Spring Boot 3 and Spring Boot 4
- Experience upgrading Gradle (e.g., Gradle 8 to Gradle 9)
- Experience migrating applications from Java 17 to Java 25
- Deep understanding of the Java open-source ecosystem
- Experience troubleshooting and resolving application migration issues (e.g., Datadog, Splunk, New Relic, or similar)
- Strong collaboration and communication skills
- Ability to work flexible hours to overlap with the US team
- Upper-intermediate English level
- 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
Am I A Good Fit?
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The Company
What We Do
AgileEngine is a privately held company established in 2010 that builds dedicated teams of designers and developers. We turn good ideas into awesome software that people actually want to use. Some of the biggest names and the hottest startups around the world chose us to build their tech.







