Job Description Senior Backend Engineer | Build Better with Purpose Not every company deserves your code. Some build products; others build pressure. Then there are those rare few building something good - for their customers, for their people, and for the planet. This one happens to be the only Australian B Corp certified tech company in its category - a business that believes technology can do better, and be better. You’ll be joining a world-class engineering team (think ex-Google, and other major players), working on systems that millions of people quietly rely on every day. The pace is fast, but the intent is calm: to create software that is beautiful in design, ethical in purpose, and powerful in execution. The Work You’ll lead design and development across a platform that handles complexity elegantly. You’ll set the tone for engineering excellence — reviewing, refining, and rethinking what “good” looks like. You’ll collaborate closely with product, design, and data teams to ship code that actually matters. And you’ll do it in an environment that values autonomy, mastery, and trust over process theatre. What You Bring You’ve built resilient, scalable systems in Python (Django, Flask, or FastAPI). You understand cloud architecture (AWS or Azure), CI/CD, and how to build software that performs under pressure. You know microservices, event-driven design, and the art of simplicity. And you’ve probably mentored a few engineers along the way — because building people is as satisfying as building platforms. Why This, Not That Because the people here care. About the quality of their work. About the footprint they leave. About creating a place where engineers don’t have to trade ethics for innovation. If you’ve been searching for a role that challenges your technical thinking and feeds your sense of purpose — this is it. Apply now. Or just start the conversation - we’ll take it from there. Email to reema@theonset.com.au