Kafka Senior Developer - Contract - Melbourne

Requirements

• Develop custom integration code using Java / Spring Boot for source system connectivity where managed connectors are not applicable.
  
• Build and maintain Kafka producers/consumers, topic integration logic, and event-driven services on Confluent Cloud / NGIP.
  
• Develop and maintain Flink SQL / stream processing logic for transformation, enrichment, validation, routing, and de-duplication.
  
• Implement integration with Schema Registry, topic schemas, and message validation controls.
  
• Support HTTP/API-based integrations through Kong Gateway for NGIP to target application communication.
  

• Confluent Certified Developer/Administrator
  
• Experience with stream governance, RBAC, and tiered storage
  
• Background in data engineering, ETL, or microservices architecture
  
• Familiarity with traditional messaging systems and data warehouses
  
• Experience in Agile methodologies and DevOps practices
  
• Configure and support HTTP Sink delivery patterns, payload mapping, retries, and failure handling.
  

• Develop custom integration code using Java / Spring Boot for source system connectivity where managed connectors are not applicable
  
• Build and maintain Kafka producers/consumers, topic integration logic, and event-driven services on Confluent Cloud / NGIP.
  
• Develop and maintain Flink SQL / stream processing logic for transformation, enrichment, validation, routing, and de-duplication.
  
• Implement integration with Schema Registry, topic schemas, and message validation controls..
  
• Support HTTP/API-based integrations through Kong Gateway for NGIP to target application communication
  
• Configure and support HTTP Sink delivery patterns, payload mapping, retries, and failure handling
  
• Perform unit / component testing for custom code, Flink jobs, and interface logic.
  
• Support SIT, pipeline testing, defect fixing, replay, and root-cause analysis during test execution
  
• Support E2E testing with downstream teams and resolve integration issues across connectors, transformations, APIs, and Kafka topics
  
• Work with GitLab CI/CD pipelines for build, deployment, regression automation, and release support​