Senior Fullstack Engineer - CommBank iQ

Job Type: Permanent - Full Time

Location: Sydney; Melbourne

Job Category: Engineering

Quantium is a global leader in data science and artificial intelligence, at the forefront of the AI revolution transforming business worldwide. Since 2002, we have grown into an international team of over 1,200 AI and data specialists across 14 locations, delivering cutting-edge AI solutions and advanced analytics. Through strategic partnerships with leading corporations, Quantium drives innovation and helps organizations transform their operations through intelligent data-driven insights.

CommBank iQ is a joint venture between CommBank and Quantium, turning de-identified transaction data from more than 7 million Australians into trusted insights. By working with real-world data at national scale, CommBank iQ helps organisations better understand customer behaviour and make more informed decisions.

Role Summary

As a Senior Fullstack Engineer, you are a senior individual contributor who strengthens team delivery through technical expertise, sound judgement, and mentorship. You’ll own the delivery of complex features and epics, reduce technical risk, and influence technical decisions within the team.

You’ll work on a modern AWS-based platform that surfaces complex data clearly and reliably — all within a collaborative, supportive team environment that values flexibility and balance.

How will you make an impact?

• Own and lead delivery of complex features and epics end to end
• Design, build, and operate scalable full-stack applications
• Influence technical decisions and contribute to system design
• Proactively identify and reduce technical debt
• Build high-performance backend services and APIs
• Create intuitive user interfaces that turn complex analytics into usable products
• Collaborate closely with product and data science partners
• Participate in BAU for critical systems, resolving higher-complexity issues independently
• Identify patterns and propose systemic improvements through BAU reviews
• Mentor Engineers and Associate Engineers through reviews, pairing, and guidance
  
  

The superpowers you will bring to the team

• 5+ years’ experience building production-grade full-stack software
• Strong hands-on experience across frontend frameworks and backend services
• Proven experience designing APIs and working with SQL and NoSQL data stores
• Experience delivering cloud-native applications on AWS
• Strong engineering fundamentals and a quality-first mindset
• Clear communication skills and the ability to influence without formal authority
  
  

What could your Quantium Experience look like?

Working at Quantium will allow you to challenge your imagination. You will get to solve complex problems using rigor, precision and by asking great questions – but it also means you can think big, outside the box and push your problem-solving skills to the max.

By Joining The Quantium Team, You’ll Get To

• Forge your path: So many of our team have moved around different teams or offices. You’ll be in the driver’s seat, and we empower you to make your career your own.
• Find your kind: Embrace diversity and connect with your tribe (think foodies, dog lovers, readers, or runners).
• Make an impact: Leave your mark. Your contributions resonate, regardless of your role, tenure or level.
  
  

But wait, there's more! We've got some pretty sweet perks:

• Flexible working arrangements: Hybrid setup that supports genuine work life balance, at your own pace
• Competitive remuneration: Market-leading salary plus an attractive annual bonus scheme
• Discounts and perks: Access to generous benefits including Woolworths discounts, exclusive banking products, health insurance, and novated leasing
• Collaborative, supportive culture: Work alongside smart, supportive engineers in an environment that encourages learning, experimentation, and growth
• Meaningful work at scale: Build software that influences real-world decisions
• Location flexibility: Based in Sydney or Melbourne, with office access in both cities
  
  

Ready to join a team of smart, unique people who are passionate about what they do? At Quantium, you'll find a place where everyone belongs and work that is intellectually stimulating. So, if you're ready to make an impact and grow professionally, we want to hear from you!

Apply now and let's forge a better, more intelligent world together!

Quantium’s recruitment process involves the collection and use of personal information. Please click on the link “Privacy” for Quantium’s Collection Notice. This provides information on how we collect, use & store your personal information, including potential disclosure to our majority shareholder, Woolworths Group Limited.