Haystack
← Back to Jobs
Full time
Technology
TA

Full Stack Developer (Java + GraphQL)

Tech AaltoSydney, New South Wales🇦🇺AustraliaPosted 17 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Sydney, New South Wales, Australia
DockerGCPMicroservicesSQLSpringSpring BootAPI GatewayAWSScrumAgileAzureGitHub ActionsGraphQLJWTJavaJenkinsKubernetesRESTReactTypeScript

Job Description

Job Title: Full Stack Developer (Java + GraphQL)

Location: Sydney

Employment Type: Full-time

Role Overview:

We are seeking a skilled Full Stack Developer with strong expertise in Java Spring Boot, React/TypeScript, and GraphQL. The role involves designing, building, and maintaining scalable, secure, and high-performing applications aligned with Transport's architectural standards. The ideal candidate will have a strong foundation in API development, data integration, and UI engineering within modern cloud-based environments.

Key Responsibilities:

  • Design, develop, and maintain end-to-end solutions using Java Spring Boot (backend) and React/TypeScript (frontend).
  • Develop and optimize GraphQL schemas, resolvers, and queries for efficient data access.
  • Build and maintain secure, reusable, and scalable APIs aligned with Transport's architecture and governance standards.
  • Integrate backend services with REST/GraphQL APIs and external systems.
  • Implement responsive and accessible UI components with React.
  • Collaborate with architects, DevOps, and QA teams to ensure robust CI/CD and code quality practices.
  • Participate in code reviews, technical design discussions, and architectural assessments.
  • Ensure applications adhere to performance, security, and compliance requirements.
  • Troubleshoot issues and provide production support as needed.

Skills & Experience:

3-6 years
of full-stack development experience in enterprise-grade applications.

  • Strong proficiency in Java, Spring Boot, and microservices architecture.
  • Hands-on experience with React, TypeScript, and GraphQL (schema design, resolvers, query optimization).
  • Experience integrating RESTful APIs, SQL/NoSQL databases, and authentication frameworks (OAuth2, JWT).
  • Familiarity with Docker, Kubernetes, and CI/CD pipelines (e.g., Jenkins, GitHub Actions).
  • Strong understanding of software security principles, API governance, and performance tuning.
  • Excellent analytical, problem-solving, and communication skills.

Nice to Have:

  • Exposure to Kong API Gateway or similar API management platforms.
  • Experience in cloud platforms (AWS/Azure/GCP).
  • Familiarity with Agile/Scrum methodologies.

When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the Tech Aalto Privacy Policy, a copy of which is published at Tech Aalto's website ()

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.

Similar jobs