Senior Software Engineer

Location:

Sydney NSW, AU, 2000

Type of Employment: Hybrid - Full-time

Career Level: Professional

Job Family:

Date posted: Oct 14, 2025

Location: Sydney, State of New South Wales, Australia

Organisation: Yunex Traffic

Mode of Employment: Full time

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

With digitalisation and the use of disruptive technologies, we enable cities, highway authorities, and traffic management operators to create a new world of mobility with vehicles that are shared and connected, autonomous tunnel automation, smart tolling and adaptive traffic systems for simulation and prediction. All that allows for a totally new level of traffic management that is truly proactive.

This will transform our cities into places where people can live, work and move more freely with a better quality of life, fewer accidents and cleaner air. With our expertise and our solutions, we contribute to solving our climate crisis. Urban mobility must and will change. And we will lead the way

Are you a highly skilled
Senior Software Engineer
looking to work on cutting-edge applications? Join our dynamic team and contribute to building scalable, high-performance, and secure APIs while working with modern web technologies. The successful candidate will assume the role of the Senior Software Engineer for a large tunnel infrastructure project in the State of New South Wales, Australia. This role will be based in our North Sydney office.

What You'll Do:
Design, Develop and maintain
scalable backend services.

Build and optimise
high-performance, secure APIs
for seamless data communication. Work with frontend developers using
ReactJS
to deliver end-to-end solutions.

Design and implement a
comprehensive test automation framework
, covering unit, integration, and end-to-end testing.

Utilise
GitLab CI/CD pipelines
to streamline development and deployment.

Design, implement, and optimize
PostgreSQL relational databases
.

Follow best practices in
code quality, security, and software architecture
.

Mentor and guide
developers, fostering growth and knowledge-sharing within the team.

What We're Looking For:
A Bachelor's degree in Computer Science, Engineering, or a related field.

Solid hands-on experience with
, TypeScript, and ReactJS
.

Strong expertise in
building and optimising APIs
for performance and security. Familiarity with
full-cycle software engineering
, including
test automation
. Experience with
GitLab CI/CD
for deployment automation.

Proficiency with
PostgreSQL
and relational database design.

Strong problem-solving skills and ability to work in an agile environment.

What We Offer:
Competitive salary and benefits package.

The opportunity to work on cutting-edge projects in an innovative environment. Professional development and growth opportunities.

A collaborative and supportive work culture.

To apply, please submit your resume and a cover letter highlighting your relevant experience and skills.

Yunex Traffic is committed to diversity and inclusivity. We welcome applications from all individuals, regardless of background or experience. Join us in shaping the future of intelligent traffic solutions and making cities safer, cleaner, and more efficient.

Yunex Traffic is a proud equal opportunity employer, creating a work environment of diversity and inclusion. Our diverse workforce cultivates Innovation and excellence and in turn creates a workplace where our employees belong and prosper. Diversity and inclusion help us fully realise the potential of our people. As part of Yunex Traffic ownership culture, Yunex Traffic also genuinely supports reasonable flexible working practices that empower our employees to best meet work and personal commitments.

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