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.