Hastha Solutions - Kafka Senior Developer - Contract - Melbourne

Developer is needed in Melbourne, Australia.

Client: Hastha Solutions

Location: Melbourne, VIC, au

Contract: Contract

Job Description

We are seeking a Kafka Senior Developer for a contract position in Melbourne. The successful candidate will be responsible for developing custom integration code, building and maintaining Kafka producers and consumers, and implementing event-driven services on Confluent Cloud. The role involves supporting HTTP/API-based integrations and ensuring effective communication with target applications.

Requirements

Must Have:

• 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.

Good-to-Have:

• 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.

Responsibilities

• 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.