Java Developer, Spring Boot, Upgrade & Modernization

TMS

Java Developer modernizing Spring Boot applications from 2.7 to 3.5 and Java 11/17 to Java 21. Troubleshooting Maven builds, dependencies, compatibility, and migration issues.

Posted 9/10/2026contractToronto • 🇨🇦 CanadaSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in Java and Spring Boot application upgrades, focusing on modernization, troubleshooting, and dependency management. Proficient in resolving compatibility and testing challenges during migration processes.

Highest-signal resume keywords

Java 11/17 To Java 21 UpgradesSpring Boot 2.7 To 3.5 UpgradesMaven TroubleshootingApplication ModernizationDependency Upgrades

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaSpring BootMavenApplication ModernizationDependency Management

Tech Stack

Tools & technologies

JavaMavenPythonSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Support application upgrades from Spring Boot 2.7 to 3.5
Support Java 11/17 to Java 21 upgrades
Troubleshoot Maven pom.xml files, builds, dependencies, and upgrade-related issues
Address compatibility and testing challenges
Resolve migration challenges
Focus on Java/Spring Boot upgrades, build issues, compatibility, testing, and modernization

Requirements

What you’ll need

Minimum 7+ years of experience
Strong hands-on experience with Java
Strong hands-on experience with Spring Boot
Experience with application modernization
Experience with dependency upgrades
Experience troubleshooting Maven (pom.xml) files, builds, dependencies, and upgrade-related issues
Experience with Java 11/17 to Java 21 upgrades
Experience with Spring Boot 2.7 to 3.5 upgrades
Python experience is a plus, but not mandatory

Benefits

Comp & perks

Remote work options
Hybrid work arrangement