Java Application Support Engineer - Production Systems

Location: Bucharest, Romania

ABOUT

Our client provides practical solutions related to Data and AI, Cloud Services, Robotics and digital Engineering and Business Process Management to their clients.

ROLE

Our client is seeking an experienced Java Application Support Engineer to maintain, monitor, and troubleshoot enterprise sales and business applications in a production environment.

The successful candidate will combine strong Java development skills with database expertise and operational troubleshooting capabilities to ensure application stability, performance, and availability.

RESPONSIBILITIES

· Monitor and maintain business-critical applications in production environments.

· Investigate application incidents, diagnose root causes, and implement effective resolutions.

· Develop, maintain, and troubleshoot Java-based applications and interfaces.

· Support applications built using Spring MVC, Spring Boot, Spring Data JPA, and Hibernate.

· Analyse application logs and identify performance or functional issues.

· Perform SQL and PL/SQL queries for troubleshooting, diagnostics, and operational support.

· Work with databases including Oracle, PostgreSQL, SQL Server, and MySQL.

· Collaborate with development and infrastructure teams to resolve complex application issues.

· Support performance monitoring, system optimization, and application reliability improvements.

· Participate in scheduled support activities and nighttime on-call rotations when required.

· Maintain operational documentation and incident resolution records.

REQUIREMENTS

· Strong hands-on experience with Java and object-oriented programming.

· Knowledge of Spring MVC and Spring Boot application and interface development.

· Familiarity with Spring Data JPA and Hibernate.

· Experience working with relational databases, including PostgreSQL, Oracle, SQL Server, or MySQL.

· Good SQL and PL/SQL development skills.

· Experience using development and collaboration tools such as Git, Gradle, and Jira.

· Ability to query application logs, analyse incidents, and resolve production problems.

· Strong analytical, troubleshooting, and problem-solving abilities.

· Good communication and task prioritization skills.

· Willingness to participate in occasional nighttime on-call and scheduled support activities.

PREFFERED QUALIFICATION

· Previous experience supporting enterprise sales or supply chain applications.

· Experience in production operations and maintenance within large organizations.

· Familiarity with application performance monitoring and operational automation.

· Chinese language skills, particularly speaking and listening.