GraphQL & Java Backend Engineer (Cloud-Native)

XPT Software Australia Pty Ltd; Council of the City of Sydney; On-site; AUD 120,000 - 160,000; Full time

Job summary

XPT Software Australia Pty Ltd in Sydney is seeking a GraphQL Developer to design, develop, and maintain scalable GraphQL APIs and Java-based backend services. You will build reusable schemas and data access layers, and implement REST and GraphQL integrations with enterprise systems.

The role focuses on microservices, cloud-native patterns, API security, and ongoing modernization within a managed services environment. Strong experience in Java, Spring Boot, GraphQL, and AWS is required.

Qualifications

• Experience designing and implementing GraphQL APIs and Java backends.
• Strong knowledge of microservices architectures and API security.
• Experience with cloud-native development and integration patterns.
• Familiarity with IAM, encryption, and data protection practices.

Responsibilities

• Design, develop, and maintain GraphQL APIs and Java-based backend services.
• Build scalable GraphQL schemas, resolvers, and data access layers.
• Develop REST and GraphQL integrations with enterprise systems.
• Implement microservices using Java and Spring Boot in cloud environments.
• Optimize API performance, security, and observability.
• Collaborate with Cloud, Platform Engineering, and Architecture teams.
• Participate in incident, problem, and change management within a BAU context.

Skills

Java

Spring Boot

GraphQL

REST API

Microservices

AWS

Docker

Kubernetes

CI/CD

SQL

Observability

Communication

Tools

AWS

Docker

Kubernetes

Job description

XPT Software Australia Pty Ltd in Sydney is seeking a GraphQL Developer to design, develop, and maintain scalable GraphQL APIs and Java-based backend services. You will build reusable schemas and data access layers, and implement REST and GraphQL integrations with enterprise systems.

The role focuses on microservices, cloud-native patterns, API security, and ongoing modernization within a managed services environment. Strong experience in Java, Spring Boot, GraphQL, and AWS is required.