Senior Java Developer

About the Role

A Melbourne-based consulting firm is seeking a Senior Java Developer with deep expertise in security-focused design, microservices, and enterprise identity systems to join our growing team.

Key Responsibilities

• Design, develop, and maintain enterprise-grade Java applications and microservices
• Implement and manage authentication/authorisation using OAuth2 and OpenID Connect
• Apply secure coding practices including encryption, token security, and TLS standards
• Integrate with LDAP and enterprise identity systems
• Build and test APIs using Karate and Cucumber
• Deploy and manage applications using Kubernetes and Docker
• Build CI/CD pipelines in Jenkins and manage configurations via Ansible
• Monitor and troubleshoot applications using Splunk
• Manage and optimise PostgreSQL databases
• Contribute to architecture discussions and Agile ceremonies

Required Skills & Experience

• 8+ years of hands-on Java development (Java 8/11/17+)
• Strong experience with OAuth2, OpenID Connect, and enterprise security practices
• Solid understanding of microservices architecture and secure software design
• Experience with Kubernetes, Docker, Jenkins, and Ansible
• Proficiency in API testing using Karate and Cucumber
• Working knowledge of HK2, Java EE, and PostgreSQL
• Familiarity with Splunk for monitoring and observability
• Experience with LDAP integration and encryption standards (AES, TLS, key management)

Nice to Have

• Experience with API gateways or SSO solutions
• Knowledge of event-driven systems such as Kafka or RabbitMQ
• Exposure to BFSI or other regulated environments