Here’s where you’ll work on greenfield, customer-facing machine learning products with visible impact on a high scale app and website. You’ll have the freedom to influence system design, choose appropriate technologies and deliver end-to-end solutions with less regulatory constraint than many industries.

Engineers operate in highly autonomous agile squads, giving you plenty of scope to shape how things are done while building your technical and leadership capabilities.

There are team member discounts across the portfolio of brands and access to wellbeing programs, including 24/7 support via the Sonder app. You’ll also get progressive and competitive leave policies and opportunities for career development within a large, diverse organisation.

And of course, you’ll be part of a supportive, collaborative working environment with flexible hybrid working arrangements.

What you’ll do

Design, develop, deploy and maintain production machine learning pipelines and data-driven services. These will directly support customer-facing digital products within a significant retail brand.

Build and maintain Python-based APIs that integrate ML outputs into web and app platforms, working closely with Data Scientists to productionise models and analytical solutions.

Contribute to system, solution and API design in the absence of dedicated solution architects, and collaborate with software engineers, product owners and business analysts in an agile squad.

Participate in sprint planning, ticket refinement, estimation and delivery across discovery, build, test and release phases, applying appropriate testing, deployment and monitoring practices to ensure reliability and performance of solutions.

What you’ll need

• Bachelor’s degree (or higher) in Computer Science, Engineering or a related field

• 5+ years of commercial ML/software engineering experience

• Strong hands-on experience with Python in production environments

• Experience working with data, SQL and machine-learning–driven solutions

• Experience designing and building reliable, high-throughput batch or streaming systems

• Experience developing and integrating RESTful or gRPC APIs

• Experience deploying and operating services using CI/CD pipelines

• Experience working in cloud

About the company

One of the largest employers in Australia and New Zealand, operating a diverse portfolio of retail brands. Through its partnership with a data specialist firm, the employer brings together deep retail expertise and advanced data science and analytics capabilities to deliver data-driven solutions that support customer-facing digital products and large-scale retail operations.

Please click the ‘Apply’ button. Don’t worry if your CV isn’t up to date. Just send what you have and we’ll deal with that later.

Senior Product Manager – Digital Acquisition

Leading eCommerce & Subscription Business

We are looking for a Senior Product Manager- Digital Acquisition to own and optimise the top-of-funnel digital experience across a high-growth eCommerce and subscription business.

This role is laser-focused on driving new customer acquisition through performance-led digital journeys, sitting at the intersection of product, growth marketing, data, and engineering. You will own how customers land, convert, and progress through the acquisition funnel, with clear accountability for conversion, CAC efficiency, and first-purchase revenue.

This is not a generalist product role. It is a commercial, metric-driven acquisition role.

What you will own

• End-to-end ownership of the acquisition funnel, from first touch through to checkout

• Performance of all acquisition surfaces including landing pages, product pages, cross-sell placement, cart, and checkout

• Continuous optimisation of conversion across paid and organic traffic

• The CRO and experimentation roadmap, including A/B and multivariate testing

• Close partnership with Performance and Growth Marketing, translating channel insights into product-led improvements

• Acquisition KPIs including conversion rate, funnel drop-off, CAC efficiency, first-purchase revenue, and customer quality

• Improvement of multi-product and pricing funnels to maximise acquisition value

• Delivery of outcomes within a constrained and evolving platform environment

What we are specifically looking for

You must be able to demonstrate:

• Deep experience in digital acquisition and top-of-funnel optimisation within an eCommerce or DTC environment

• Strong fluency in performance marketing channels such as Meta, TikTok, and paid search, with the ability to partner credibly with growth teams

• A proven track record of driving measurable conversion and revenue uplift, not just shipping features

• Hands-on experience leading CRO and experimentation programs, with clear examples of wins delivered

• Strong commercial judgement, including the ability to assess trade-offs between conversion, CAC, and LTV

• Confidence operating in imperfect or constrained platforms, prioritising impact over perfection

• Clear, structured product thinking and the ability to make data-led decisions

What will set you apart

• Experience optimising acquisition funnels in subscription-based businesses

• Comfort working across multiple entry points and traffic sources at scale

• Principal-level thinking with the potential to grow into broader leadership responsibility

• A bias for action, accountability, and measurable outcomes

Why this role

• High-impact role with clear ownership of acquisition outcomes

• Direct influence on growth, revenue, and customer quality

• Close collaboration with senior product and growth leaders

• Opportunity to shape and mature the acquisition capability of a leading eCommerce brand

Principal Engineer  

Lead the technology that moves a nation.

Sydney | Hybrid - 2 days Office 

Every day, millions of Australians rely on this business to keep life moving.
Behind every on-time order, every seamless delivery, and every moment of connection - there’s technology designed by brilliant people like you.

We’re looking for a Principal Engineer who can elevate ideas into scalable architecture, guide teams with empathy and precision, and make complex systems feel effortless for customers.

What You’ll Be Doing

You’ll be the bridge between strategy and execution, setting the architectural direction for the Order Delivery domain, partnering with engineering squads, and ensuring the health and stability of the digital ecosystem that underpins customer trust.

Expect influence at scale, autonomy to innovate, and the chance to leave a visible legacy on one of Australia’s largest digital transformations.

Your Impact

• Inspire and lead cross-domain engineering teams through architectural clarity.

• Define and communicate the target-state vision and the roadmap to get there.

• Collaborate with product and engineering leaders to embed modern, agile delivery practices.

• Model architectures that deliver measurable business and customer value.

• Drive innovation while maintaining operational excellence.

You’ll Bring

• Deep engineering experience, likely as a Principal Engineer, Technical Architect, or Tech Lead within complex, cloud-native environments.

• Strong foundation in .NET, Azure/AWS/GCP, ,Microservices, and Kubernetes.

• Proven track record in scaling distributed systems and optimising performance.

• Natural leadership - you build confidence through collaboration, clarity, and care.

• A mindset that balances technical purity with commercial impact.

What You’ll Experience

• A flexible hybrid model that prioritises wellbeing and balance.

• A collaborative culture built on trust, curiosity, and growth.

• Discounts across a number of Iconic brands connected to the business.

• Career pathways across a global organisation with the resources to back big ideas.

If you’re ready to design the systems that power Australia’s everyday, we’d love to hear from you.

Apply here or directly reach out to Dani - danielle@theonset.com.au

Senior .Net Engineer | Sydney | Own the technology direction and decisions

• 2-3 Days Office, 2-3 days WFH

• Extremely strong technology stack

• Yearly Bonus paid out

Join an Australian-grown business that’s known for its tech-driven culture and modern .NET stack. As a Senior .Net Engineer, you’ll take ownership of key projects shaping the next phase of the platform giving you the chance to drive the SDLC and deliver work that directly impacts thousands of customers.

Step in at a defining stage of innovation and expansion. You’ll help shape the next generation of a product that’s central to the company’s growth.

You will have autonomy and ownership of customer facing applications that make a genuine impact to the users experience. Helping you take more satisfaction from the impact of your work.

What’s in it for you:

• Work with an established team of highly experienced engineers and drive the full SDLC. 

• Room to innovate - influence architecture, culture, and ways of working from day one.

• Work with the latest technology and contribute to the AI journey.

If you thrive on building scalable, complex systems, this role lets you take full ownership of hands-on engineering - this position is for you. You’ll write elegant C#/.NET code on Azure, architect robust solutions, and help turn ambitious ideas into tangible outcomes.

What you’ll bring:

• 8+ yrs software engineering experience in hands-on across backend, APIs, etc.

• Expert in C#/.NET, cloud platforms (Azure/AWS/GCP), database work, CI/CD pipelines.

• Product mindset, comfortable with uncertainty, experimentation, high output.

• Passion for building things that scale and delight users.

Make your mark on a platform that matters. Apply now or reach out to Karl directly at karl@theonset.com.au

Build the future of one of Australia’s most-loved online shopping experiences

Picture this: you’re part of a team where every line of code touches millions of customers- helping them browse, click, and get their favourite items delivered seamlessly. We’re on the hunt for a Senior Engineer who lives and breathes PHP, loves Laravel, and isn’t afraid to dive into React and AWS when the project calls for it.

This isn’t just another “maintain the legacy code” role. You’ll be at the heart of a major platform transformation - modernising core systems, building slick new features for customers and suppliers, and shaping how the platform scales for years to come. Your ideas won’t sit in a backlog- they’ll be powering the next generation of online shopping experiences.

Why this role rocks:

• Hands-on PHP/Laravel mastery: Rebuild, refactor, and modernise one of the country’s most recognisable e-commerce engines.

• Full-stack playground: Jump between backend logic, React-powered frontends, and cloud-based integrations.

• Modernisation in motion: Lead the migration from a legacy monolith to a flexible, service-based architecture.

• Product partnership: Work alongside designers, product managers, and QA to turn ideas into tangible features.

• Culture that clicks: Join a low-ego, highly skilled team that values learning, craftsmanship, and collaboration.

• Flexibility & perks: Hybrid work, catered lunches, wellness programs, and a genuine focus on people.

Who you are:

• A PHP/Laravel pro with strong JavaScript/React chops.

• Pragmatic and outcome-drivenn: you get why you’re building something, not just how.

• Ownership-minded: you ship features, mentor peers, and drive solutions end-to-end.

• Collaborative and clear: you can explain technical ideas to non-tech teammates without rolling your eyes.

• Curious and adaptable: always exploring better ways to build, integrate, and scale.

Bonus points if you’ve played with APIs, CI/CD pipelines, cloud environments, or high-traffic e-commerce systems.

The tech you’ll be playing with:

• Backend: PHP, Laravel, MySQL, REST APIs

• Frontend: React, JavaScript, HTML, CSS

• Infrastructure: AWS, Docker, CI/CD pipelines

• Tooling: Jira, GitHub, Vercel

If you’re ready to leave your mark on one of Australia’s favourite online brands and thrive in a collaborative, modern engineering culture, this is your moment. Let’s build something customers love.

Reach out to Reema Thomas- reema@theonset.com.au