Trainee Java Developer

Job Description

Mandatory Requirements

• 1+ years of development experience in Java (preferably building/maintaining applications in enterprise segment)
• Good Core Java and practical experience with Java 17 (LTS)
• Good OOP/OOD principles understanding
• Good Spring concept understanding and practical experience (Core Container, JDBC, Web Services, MVC, Security, Boot)
• Understanding of Jakarta EE 10 specifications and components
• Good knowledge of SQL and practical experience with RDBMS (Oracle 19c is preferable)
• Version control: Git
• Understanding of RESTful API design and implementation
• Build tools: Maven, Gradle experience
• Linux experience: basic/regular user
• Good written and verbal English skills (Intermediate or better)

Nice to Have

• Jakarta EE experience: JMS, JAX-RS, CDI
• Application server: Red Hat JBoss EAP 8 experience
• Message broker: JBoss Artemis/ActiveMQ experience
• Front-end experience: SmartGWT 11+, GWT framework
• XML/XSD/XSLT/XPath for configuration
• Database migration and schema upgrade experience
• Technical or Telecom/OSS/BSS background

Job Responsibilities

• Working as part of a geographically distributed agile development team
• Participating in the migration and enhancement of enterprise telecommunications inventory management solutions
• Developing and refactoring custom modules to be compatible with modern Jakarta EE standards
• Migrating EJB-based services to RESTful web services
• Design and implement business logic including complex SQL queries (Oracle 19c)
• Support remote QA team with unit tests, integration tests, and end-to-end tests
• Improve and support deployed code and runtime configuration
• Troubleshoot and analyze problems identified in created solutions
• Participate in daily communication with technical teams (requirements clarification, status updates, technical discussions)

Department/Project Description

Our client is a global leader in telecommunications infrastructure and services, providing solutions to mobile and fixed network operators worldwide. The company's technology powers networks in over 180 countries, handling a significant portion of global mobile traffic.

GlobalLogic is engaged in System Integration activities for various OSS/BSS solutions including Network Inventory Management Systems, Resource Management, and Network Planning tools for a major telecommunications service provider in the international market.

The project scope involves:

• Upgrading and modernizing existing inventory management solutions
• Developing integration modules that connect network inventory systems with third-party systems (CRM, NMS, Activation, Trouble Ticketing,
• Workforce Management, Order Management)
• Migrating legacy application server infrastructure to modern, cloud-ready platforms
• Implementing microservices architecture patterns where applicable
• Project activities are primarily conducted within GMT+2 and GMT+3 time zones, following the Ukrainian work week schedule.

By joining this position, you will become part of a collaborative team working with:

• Enterprise-grade technology stack
• Established development processes and best practices
• Agile development methodology
• Continuous learning and professional growth opportunities