Senior Full-Stack Developer

Location: Sydney, State of New South Wales, Australia
Organisation: Yunex Traffic
Mode of Employment: Fixed-term

As a global leader in intelligent traffic solutions, we connect the dots of a new mobility revolution.

Through digitalisation and the use of disruptive technologies, we empower cities, highway authorities, and traffic management operators to reimagine mobility—with connected and shared vehicles, autonomous tunnel automation, smart tolling, and adaptive traffic systems. These innovations enable proactive traffic management, making our cities safer, cleaner, and more liveable.

Join us in shaping the future. Urban mobility must and will change—and we are leading the way.

Are you a highly skilled Senior Full-Stack Software Engineer with expertise in Node.js, React, Vite, and TypeScript?
Join our dynamic team to help build modern, scalable, high-performance applications that power real-world infrastructure. You will play a key role in the development of software for a major tunnel infrastructure project in New South Wales, based in our North Sydney office.

What You’ll Do:

• Design, develop, and maintain scalable backend services using Node.js and TypeScript.
• Build modern, high-performance web applications using React, Vite, and TypeScript.
• Develop secure, high-quality RESTful and WebSocket-based APIs.
• Collaborate closely with UI/UX and backend engineers to deliver seamless end-to-end solutions.
• Design and implement test automation frameworks, covering unit, integration, and E2E testing.
• Use GitLab CI/CD pipelines to automate build, test, and deployment workflows.
• Design and optimise PostgreSQL databases for reliability and performance.
• Apply best practices in full-stack architecture, code quality, and security.
• Mentor and support other developers, encouraging collaboration and continuous improvement.

What We’re Looking For:

• A Bachelor’s degree in Computer Science, Engineering, or a related field.
• Proven experience in full-stack development with Node.js, React, Vite, and TypeScript.
• Strong understanding of modern frontend tooling and performance optimisation.
• Experience building secure, scalable, and high-performance APIs.
• Familiarity with testing frameworks like Jest, Playwright/Cypress, or similar.
• Proficiency with PostgreSQL and experience in database schema design.
• Experience with CI/CD tools such as GitLab Pipelines.
• Strong problem-solving skills and a collaborative, agile mindset.

What We Offer:

• Competitive salary and benefits package.
• The opportunity to work on critical infrastructure with cutting-edge technologies.
• Career growth, learning, and professional development opportunities.
• A collaborative and inclusive work culture.

Yunex Traffic is committed to diversity and inclusivity. We welcome applications from individuals of all backgrounds. Join us in transforming mobility and making a difference.

Yunex strongly encourages applications from Aboriginal and Torres Strait Islander candidates, women, candidates living with a disability, members of the LGBTQ community and culturally and linguistically diverse people. Yunex has a global Environment, Social and Governance (ESG) Framework which includes goals for diversity and inclusion aligned to the United Nations Sustainable Development Goals. Our Policy for Equity, Diversity, Inclusion and Belonging (EDIB) empowers and supports everyone across Yunex in further creating a workplace where everyone can thrive. We’d love to hear from you!