Senior PHP Engineer - Rebuild the Brain of an Industry Hybrid Sydney Full-time Up to $190k + super Are you a Senior Engineer looking to work on a platform that genuinely powers an entire industry? You're probably not interested in just shipping code. You want to influence architecture, solve meaningful technical challenges, and contribute to rebuilding a system that sits at the heart of an entire sector. This role offers a clear path toward feature leadership or future tech leadership, if that's where you want to take it. This is a start-up-style team within an enterprise environment. A high-performing, product-focused group with the autonomy to move fast, and the stability to do things properly. You'll join a team of 35 engineers, as we double in size to 65+, during a re-architecture of a complex legacy monolith into a modular, scalable platform. The product is a mission-critical ERP/CRM system automating business processes for Australia's strata market - backed by a major financial technology company that has recruited senior talent from Google, Meta, and Amazon. It's used daily by businesses managing millions of homes and billions in funds. We need a senior engineer like you to help elevate it to the next level. What's In It For You? Ownership over technical design, architecture, and delivery Potential to grow into Feature Lead or Tech Lead while remaining hands-on Work on a platform with tangible real-world impact Contribute to a complex, clear roadmap: untangling 1,000+ APIs and reshaping the system Be part of a collaborative, high-performing team with flexibility and support Skills in MySQL performance tuning and indexing are highly valued Experience with AWS, profiling tools (e.g., DataTrace), cloud build tools, and Karate testing Knowledge of secure coding practices, unit testing, and cybersecurity principles (desirable) What You'll Be Doing Building and modernising high-scale PHP-based systems used across an entire industry Improving system design and transitioning a legacy monolith into modular services Addressing platform challenges related to performance, scale, and reliability Writing clean, secure, maintainable code focused on long-term quality Collaborating with senior engineers, product managers, and cloud specialists across multiple squads Are you ready to have a meaningful impact on how a platform is rebuilt from the inside out? If you're interested in learning more, apply here or contact Jon Holland or Indigo Munro on LinkedIn!