Senior Java Developer

TL;DR

Senior Java Developer: Designing and developing large monolithic production systems with an accent on architectural decisions, performance optimization, and complex authentication/authorization. Focus on modular monolith design, deep understanding of JVM, and ensuring backward compatibility of changes.

Location: Must be based in Uzbekistan

Company

hirify.global is a company in the IT sector.

What you will do

• Design and develop monolithic applications using Spring Boot and Spring Framework.
• Implement complex authentication and authorization schemes (OAuth2, JWT, SSO) with Spring Security.
• Design and optimize database schemas, indexes, and complex transactions with Spring Data JPA/Hibernate.
• Develop and support REST API for external and internal systems.
• Manage database schema using Liquibase and ensure backward compatibility and API versioning.
• Conduct code reviews, mentor developers, and manage technical debt.

Requirements

• 5+ years of commercial experience in Java development.
• Deep understanding of JVM, memory, GC, threads, and profiling (Java 17+).
• Excellent knowledge of Java Core, collections, multithreading, and streams.
• Strong experience in performance optimization and troubleshooting in long-running applications.
• Deep knowledge of relational databases and ORM (Hibernate/Spring Data JPA).
• Proficiency with Spring Boot, Spring Security, Spring MVC, and REST API development.
• Understanding and application of SOLID, DRY, KISS principles, and design patterns.
• Basic understanding of CI/CD, Maven, and Gitlab.
• English: B2 required.