Java Application Operations Engineer - ELK & Middleware

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 a Java Application Operations Engineer to support the monitoring, maintenance, and operational reliability of enterprise business systems.

The position requires hands-on experience with Java applications, monitoring technologies, databases, and middleware components, with a particular focus on application availability, incident management, and production troubleshooting.

RESPONSIBILITIES

• Monitor business-critical applications and ensure stable operation in accordance with defined Service Level Agreements (SLAs).
• Maintain and optimize the ELK Stack (Elasticsearch, Logstash, Kibana) for log management and analysis.
• Investigate production incidents through application logs, system monitoring, and technical diagnostics.
• Perform daily operational activities involving MySQL, MongoDB, and Elasticsearch.
• Troubleshoot Java and Spring Boot applications, identifying and resolving application-level issues.
• Support middleware technologies such as RabbitMQ and Apache Kafka.
• Provide operational support for SAP applications and related enterprise systems.
• Coordinate with development, infrastructure, and operations teams to resolve production incidents.
• Participate in scheduled on-call rotations and respond promptly to critical system issues.
• Contribute to system reliability, monitoring improvements, and operational best practices.

REQUIREMENTS

• Experience supporting enterprise applications in production environments.
• Good knowledge of Java and the ability to investigate and debug application issues.
• Familiarity with Spring Boot applications.
• Practical knowledge of the ELK Stack and log analysis techniques.
• Experience working with databases and data components such as MySQL, MongoDB, and Elasticsearch.
• Understanding of messaging and middleware technologies, particularly RabbitMQ and Kafka.
• Experience troubleshooting application incidents and performing technical diagnostics.
• Knowledge of application monitoring, operational maintenance, and incident management.
• Ability to work effectively under pressure and respond to production issues.
• Willingness to participate in an on-call support rotation.

PREFFERED

• 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.