Debezium Architect

What we do

We are currently in the process of building the next generation of cargo management applications using modern and widely use technologies and we are looking for motivated people to join our team of interdisciplinary developers.

What we currently use:

• We build backend services with Java, Spring Boot, Web Services, Mongo DB
• We integrate with existing core Java Cargo applications via REST APIs
• We build frontends with Angular and Ionic framework for mobile apps
• We deploy to Linux servers, private datacenters, AWS, using Ansible & Maven
• We do continuous integration with Gitlab/Bamboo
• We use Scrum to organize ourselves

What we expect from you:

• Bachelor's Degree in Information Technology, Computer Science, Computer Engineering, or equivalent
• Proven experience as a MongoDB DBA or similar role (4+ years recommended)
• Strong understanding of MongoDB architecture, including sharding, replication, and indexing
• Experience working with MongoDB Atlas or self-managed clusters
• Proficiency with Linux systems and shell scripting
• Familiarity with monitoring tools and performance tuning techniques
• Experience with backup and disaster recovery processes
• Review the current Debezium deployment architecture, including Oracle connector configuration, Kafka integration, and downstream consumers.
• Analyze Oracle database setup for CDC compatibility (e.g., redo log configuration, supplemental logging, privileges).
• Evaluate connector performance, lag, and error handling mechanisms.
• Identify bottlenecks, misconfigurations, or anti-patterns in the current implementation.
• Provide a detailed report with findings, best practices, and actionable recommendations.
• Optionally, support implementation of recommended changes and performance tuning.

What we require from you

• 4+ years of experience as a MongoDB DBA in production environments
• Deep expertise in MongoDB architecture, including replication, sharding, backup, and recovery
• Strong hands-on experience with Debezium, especially the Oracle connector (LogMiner).
• Deep understanding of Oracle internals relevant to CDC: redo logs, SCNs, archive log mode, supplemental logging.
• Proficiency with Apache Kafka and Kafka ecosystem tools.
• Experience with monitoring and debugging Debezium connectors in production environments.
• Ability to analyze logs, metrics, and connector configurations to identify root causes of issues.
• Strong documentation and communication skills for delivering technical assessments.