Most PHP roles talk about building features.
This one is about
owning a system that already matters
.
Somewhere inside a large organisation, there's a platform quietly running the operations of thousands of properties. It schedules meetings, tracks work orders, and manages the flow of levy payments. It's not flashy, but it's critical - and it works at scale.
Under the hood sits a
750,000+ line PHP monolith
.
Not something you rewrite. Something you
understand, improve, and evolve carefully
.
This team isn't looking for someone to spin up landing pages or push out quick CRUD apps. They need engineers who:
See complexity and lean into it
Care about
security, reliability, and long-term maintainability
Can navigate and improve a large, interconnected codebase without breaking what matters
The stack is up-to-date where it counts -
PHP 8.3, MySQL 8
- with some legacy frontend in
Knockout.js
(useful, but not the focus). The real work is in the backend: performance, structure, and making the system better piece by piece.
There's also a forward-looking element. The team is exploring how




AI can be applied in meaningful, practical ways
, so hands-on experience here isn't a "nice to have" - it's expected.
They're bringing in
3 senior engineers
on
12-month contracts to begin with.
People who contribute, challenge ideas, and take pride in doing things properly.
The process is simple: two conversations, focused on how you think and how you work.
If you enjoy getting deep into real systems and leaving them better than you found them - it might be worth a conversation.
Reach out to ****** for more details.
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#J-*****-Ljbffr

📌 Senior Php Engineer - Own A Critical, Large-Scale System (New South Wales)
🏢 The Onset
📍 New South Wales