Senior Software Engineer

JobsCloseBy Editorial Insights

Zip Co Limited is hiring a Senior Software Engineer for a full-time onsite role in Sydney to help build the core payments engine with Java or Kotlin and Spring Boot, delivering scalable, zero-downtime systems; you’ll join the Payments squad focused on Card lifecycle, Open Banking, and integration with new payment platforms, with two days a week in the Sydney office. Bring solid Java or Kotlin, Spring Boot, SQL databases, Agile, TDD, CI/CD, AWS, microservices, and Kafka, plus a security-first mindset and ownership. To apply, show measurable outcomes from scaling and reliability, demonstrate triad collaboration with product managers, and align with Zip values Customer First, Own It, Stronger Together, Change the Game, while showing willingness to learn new tools and note any accessibility needs.

• Java or Kotlin expert with deep experience in Spring Boot and building high-scale, quality-focused solutions.
• Work on the core payments engine, building ultra-reliable, high-throughput systems that process every customer transaction with zero downtime.
• Hybrid flexibility with 2 days a week in our Sydney office to connect and collaborate with your squad.

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 Payments squad, you will work with a broad remit for products ranging from Card lifecycle management and Open Banking to integration with New Payment Platforms and Payment Gateways. Our team works with the very latest tech to solve complex, interesting challenges at scale, with the backing of a tight-knit team.

What you’ll own

• Deliver the Engineering and Product roadmap as a key member of a high-performing squad.
• Collaborate with Engineering and Product Managers in a triad to discover and validate technical problems.
• Promote a high-performance culture by following engineering best practices and delivering quality-focused solutions.
• Ensure system reliability through monitoring, alerting best practices, and a security-first mindset.

What you’ll bring to the team

• Experience in Java or Kotlin with Spring Boot, and solid experience with relational databases like SQL Server or Postgres.
• Proven experience with Agile Development, Design Patterns, TDD, and CI/CD pipelines.
• Experience working with and deploying services to AWS.
• Exposure to microservice & event-based architectures (Kafka)
• A mindset that embraces AI and new tools to adapt, learn, and grow.
• An aptitude for identifying and managing risks, understanding that we are all leaders at Zip.
• Our values in your DNA: Customer First, Own It, Stronger Together, and Change the Game.
• Flexibility and curiosity, with the ability to jump between empathising with customer problems and designing engaging solutions.

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.

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 and free access to Sonder.
• 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.
• Team social events, epic offices, free breakfast daily, and weekly free lunches in Sydney.

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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