Lead Software Engineer (SSE II)

• Full stack experience in .NetCore 7/8 and frontend technologies like React and Next.js. 60% BE 40% FE.
• Join a collaborative team that values technical excellence and focuses on delivering seamless, secure checkout experiences for millions of customers.
• Work flexibly, with hybrid team connect days in our Sydney or Melbourne office locations.

Write your story with a career at Zip

Join Zip's Technology function, responsible for building and maintaining seamless, secure, and sustainable platforms that enable customers to shop with confidence and merchant partners to grow their brands.

As part of the Checkout squad, you'll own the integration and evolution of our Checkout product used across over 40,000 ANZ merchant websites. Focused on both the front and backend of the checkout, the team uses modern tech to solve interesting challenges at pace, accountable for the technology that enables millions of customers to transact with Zip.

What you'll own

As a Lead Software Engineer, you will help design and deliver scalable, secure, and efficient checkout experiences.

• Architectural Ownership: Lead the end-to-end development of highly resilient APIs and microservices, setting the standard for technical excellence and maintainability within the domain.
• Drive technical alignment by collaborating across teams to define solutions that successfully reconcile long-term architectural health with critical business objectives.
• Take end-to-end technical ownership of significant features, setting the bar for code quality, testing, and robust architectural contribution within the squad.
• Identify and implement key improvements to core integration patterns, developer tooling, and system observability to elevate the engineering standard for the Checkouts ecosystem.
• Provide technical mentorship and guidance to junior and mid-level engineers, proactively sharing deep expertise and championing modern engineering best practices.

What you'll bring to the team

Zipsters work on a broad range of initiatives, and our skills and experiences all look a little different. What really matters to us is that you’re a great fit with our four Values, and have a desire to learn and grow. 

So whether you meet some or all of the desirable attributes below, we’d still love to hear from you:

• Hands on engineering experience building scalable systems in a commercial environment.
• Solid experience in .NET Core (C#) and modern frontend frameworks like React/Next.js.
• Extensive experience developing microservices and cloud-native solutions on AWS (Kubernetes, Docker).
• Deep experience with API design, integration strategies, and APM.
• A mindset that embraces AI and new tools to adapt, learn, and grow.
• An aptitude for identifying and managing risks. We are all leaders at Zip, and effective risk management is part of all our roles.
• Our values in your DNA: Customer First, Own It, Stronger Together, and Change the Game.

What you'll get in return

As we write this next exciting chapter in our story, we will continue to move at pace and embrace change. For you, this might mean opportunities to learn new skills with hands-on experience, broader responsibilities, or the buzz of seeing your work impact customers faster.

Zip is a place where you'll get out exactly what you put in. When you join the team, we'll do our best to make sure you can be yourself and surround yourself with smart, friendly colleagues and leaders who have your back, so that you can make the big things happen.

Zipsters tell us these are just some of the best things about working here. You’ll also receive:

• 25 days paid leave annually, including birthday leave and quarterly wellbeing days.
• 16 weeks paid parental leave for primary carers, and 4 weeks for supporting carers.
• Family support policies including miscarriage bereavement leave and domestic violence leave.
• Mental health and wellness initiatives, including $299 annual wellbeing allowance, free access for you and family members to our Wellbeing platform Sonder, discounted private health insurance, and great rates on fitness sessions through Class Pass.
• 2 days paid volunteering leave, 2 days study leave and 2 days religious or cultural leave per year.
• Fee-free Zip products, and discounts with Zip merchant partners (AU).
• Team social events, epic offices, free breakfast daily, and weekly free lunches (Sydney and Melbourne).

Be a part of a team that reflects the diversity of our customers

We pride ourselves on being a workplace that provides equal opportunities to people of all ages, cultural backgrounds, sexual orientations, gender identities, abilities, veteran status, and everything else that makes you unique.

Equally, we’re committed to ensuring our recruitment processes are accessible and inclusive. Please let us know if there are any adjustments that need to be made to ensure you have a fair and equitable experience.

And finally...get to know us

Zip Co Limited (ASX: ZIP) is a digital financial services company, offering innovative, people-centred products. Operating in two core markets - Australia and New Zealand (ANZ) and the US, Zip offers access to point-of-sale credit and digital payment services, connecting millions of customers with its global network of tens of thousands of merchants. We’re proud to be a values-led business and our values - Customer First, Own it, Stronger Together and Change the Game guide us in everything we do.

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