Full-Stack Engineer: Java, GraphQL & React

Tech Aalto Pte ltd; Sydney; On-site; AUD 90,000 - 130,000; Full time

Job summary

Tech Aalto Pte ltd in Sydney is hiring a Full Stack Developer (Java + GraphQL) to design, build, and maintain scalable applications following Transport’s architectural standards.

The role requires strong API development, data integration, and UI engineering in modern cloud-based environments. You will work with Java Spring Boot, React/TypeScript, and GraphQL to deliver secure, high-performing solutions. The position is full-time and on-site in Sydney.

Qualifications

• 3–6 years of full-stack development experience in enterprise-grade applications.
• Strong experience with Java Spring Boot, React/TypeScript, and GraphQL.
• Experience building secure, scalable APIs and data integration.
• Familiarity with cloud environments and container orchestration.

Responsibilities

• Design, develop, and maintain end-to-end solutions using Java Spring Boot backend and React/TypeScript frontend.
• Develop GraphQL schemas, resolvers, and queries for efficient data access.
• Build secure, reusable APIs aligned with architecture and governance.
• Integrate backend services with REST/GraphQL APIs and external systems.
• Implement responsive UI components with React.
• Collaborate with architects, DevOps, and QA to ensure CI/CD and code quality.
• Participate in code reviews and architectural discussions.
• Ensure performance, security, and compliance requirements.
• Troubleshoot issues and provide production support.

Skills

Java

Spring Boot

React

TypeScript

GraphQL

Microservices

REST APIs

OAuth2 / JWT

Docker

Kubernetes

CI/CD

Security best practices

API governance

Performance tuning

Communication

Tools

Jenkins

GitHub Actions

Job description

Tech Aalto Pte ltd in Sydney is hiring a Full Stack Developer (Java + GraphQL) to design, build, and maintain scalable applications following Transport’s architectural standards.

The role requires strong API development, data integration, and UI engineering in modern cloud-based environments. You will work with Java Spring Boot, React/TypeScript, and GraphQL to deliver secure, high-performing solutions. The position is full-time and on-site in Sydney.