Java Software Engineer

Overview

Engineer

About The Role

Key Responsibilities

• Migrate enterprise Java applications from JBoss EAP 7 to JBoss EAP 8,
• including the full javax.* to jakarta.* namespace transition
• Upgrade and validate Java EE / Jakarta EE components — EJB, JPA, JMS,
• JAX-RS, CDI — for compatibility with Jakarta EE 10
• Refactor and rebuild Maven/Gradle dependencies to align with Jakarta EE
• 10 and OpenJDK 17 standards
• Configure and administer JBoss EAP 8 environments — datasources, JNDI,
• connection pooling, clustering, domain mode setup
• Perform performance tuning, JVM optimisation, and garbage-collection
• analysis on production workloads
• Collaborate with platform, database, and DevOps teams during staged
• rollout, testing, and cutover phases
• Troubleshoot and resolve migration-related issues across application,
• middleware, and integration layers
• Document configurations, migration procedures, and operational runbooks
• for handover

Required Skills & Experience

• 8 to 12 years of professional experience in Core Java development
• Strong hands-on experience with JBoss EAP (versions 6, 7, or 8) or WildFly
• in production environments
• Proven experience executing Java EE to Jakarta EE migrations, particularly
• the javax.* to jakarta.* namespace change
• Deep working knowledge of Java EE / Jakarta EE specifications: EJB, JPA,

JMS, JAX-RS, CDI, Servlet API

• Solid Maven / Gradle build expertise, including multi-module projects and
• dependency management
• Working knowledge of RHEL or other enterprise Linux distributions
• Experience with Hibernate ORM (5.x and 6.x preferred)
• Familiarity with relational databases — MySQL, Oracle, or PostgreSQL
• Strong debugging skills using thread dumps, heap analysis, and profiling
• tools

Preferred Skills

• Hands-on experience with JBoss EAP 8 specifically
• Exposure to Red Hat Migration Toolkit for Applications (MTA / Windup) or

Eclipse Transformer

• OpenJDK 17 or 21 migration from earlier JDK versions
• Experience with CI/CD tools — Jenkins, GitLab CI, or Ansible
• Background in industrial, manufacturing, banking, or telecom enterprise
• systems
• Red Hat (RHCSA, RHCJD) or Oracle Java (OCP) certification

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a
• related field
• Strong written and verbal communication skills in English
• Ability to work effectively in a structured, governance-driven enterprise
• environment