I will upgrade and migrate your legacy java to a spring boot app and java 21

Running on outdated Java versions is a security risk. With 4 years of enterprise backend experience for global Fortune 500 retailers, I specialize in safely migrating monolithic architectures to the latest Java 21 and Spring Boot versions. I will handle dependency updates, refactor deprecated code, optimize PostgreSQL queries, and ensure a seamless, zero-downtime transition for your application.

Use the Latest Features of Java 21

• Significant Performance Gains with the latest GC
• Massively Reduced Boilerplate with Features like Records, Text Blocks, and Switch Expressions 
• Modern Concurrency Model with virtual threads
• Enhanced Security
• Improved Tooling and Libraries

Upgrade to the Latest Spring Versions

• Performance and Cost Savings
• Modern Java and AI support
• Native Resilience and Security

Upgrade the application to Spring Boot

• Modular Auto Configurations
• Built in Api Versioning
• Advance Monitoring with acuators
• Null Safety
• Embedded Servers