Senior Full-Stack Software Engineer (.NET / C#) (Sydney)

At Zipline, our modern HealthTech, loved SaaS products are in growth mode We’ve got meaningful product work ahead, big Aussie customers relying on us, and a team obsessed with shipping fast, smart, customer-impacting software. We’re after a very particular type of engineer… Not a code-shipper. Not an architecture physicist... But a product builder. Why Zipline?
- Profitable + scaling
- big growth ahead, lots of opportunity
- Real-world impact
- the things you build keep vulnerable people safe
- Human-first culture
- we’re both high performance and high care
- ❌ No games or politics
- just a genuinely supportive, humble, high-performing team
- Any city in Aus
- modern offices & flexible hybrid work. What You’ll Do You’ll work in a hyper cross-functional squad to design, build, and ship things that moves the needle. 1\ Discover & shape
- Partner with PMs/Designers to deeply understand customer pains
- Prototype and experiment to de-risk ideas early
- Help shape what we build, not just how

2\ Build & own
- Develop across our core platform: C# + Azure/GCP
- Own work from idea scope delivery iteration
- Jump into API integrations, performance issues, technical investigations 3\ Improve & learn
- Contribute to our Product Engineering culture
- Help refine our architecture without disappearing into “ivory tower” thinking Requirements

About You
- You’re a product-minded engineer… you think in customer problems, not tickets or ‘stories’
- You’re basically a product designer, but in code
- creating elegant, simple solutions -


- You ship rapid
- taking a pragmatic, well-scoped, outcome-first, not perfection-first approach.
- You enjoy communicating with customers, exec, support & sales
- not just PMs & other engineers.
- ️ Comfortable across the stack (.NET + Angular)
- owning outcomes
- You like small squads, rapid co-discovery & co-delivery loops
- You value clarity, first principles, and making smart trade-offs Benefits

What’s On Offer
- Strong salary package
- Brand new MacBook
- Autonomy & control over your approach
- Free psychology sessions
- Recharge days after intense periods
- ✈️ Annual Bali offsite
- 200+ Kindle books
- ‍ Professional development budget
- ️‍️ Monthly fitness budget _______ What It’s REALLY Like to work here At our last offsite, the team described Zipline like this:
- High Performance AND High Care Warm, humble, zero-ego energy. People feel safe, supported, and pushed to grow.

- Radical Transparency & Alignment Extreme clarity. Clear direction. Everyone knows where we’re going and why.

- Consistency Over Hype “Disciplined execution is our superpower.” We trust our frameworks; we don’t knee-jerk.

- Innovation Mindset No silos. No rigid processes. Everyone owns innovation, not just engineering.

- Deep Confidence in the Future Genuine optimism about our mission and trajectory. _______ Ready to build meaningful software at speed… with a team you’ll love working with? Express your interest below p.s. It’s ok to flag as “maybe a future interest" vs an official job app right now Apply on Kit Job: kitjobau.com/job/3pqy46