Senior Full-Stack Engineer - Sydney (Hybrid) Build at scale. Own what you ship. Grow fast. We’re a high-growth, profitable ASX-listed FinTech on a mission to reshape how financial products are delivered. Backed by strong momentum and real market traction, we’re now scaling our engineering teams and looking for Senior Full-Stack Engineers to help drive the next phase. You’ll be joining a lean, high-performing team where engineers don’t just ship code, they own outcomes end-to-end . Tech & Engineering Culture: - Backend: C# .NET Core - Frontend: React (flexible if you’ve used other frameworks) - Architecture: Microservices Event-Driven systems - Practices: TDD, BDD, SOLID principles - Cloud & Tooling: AWS, modern DevOps pipelines We care more about engineering mindset and fundamentals than ticking every box. What You’ll Be Doing Build and enhance customer-facing and critical internal platforms Own systems end-to-end; from design through to production Design and develop scalable microservices & event-driven solutions Tackle complex, real-world engineering challenges Drive technical initiatives and projects (hands-on leadership) Work across a diverse domain: APIs, credit systems, treasury, and more Gain exposure to data platforms, DevOps, and emerging AI initiatives Why This Role Stands Out Real ownership: You build it, you run it, you improve it High impact: Your work directly influences business outcomes Strong engineering culture: Clean code, best practices, and autonomy Career acceleration: Clear pathway into technical leadership Variety & scale: Complex domain growing platform = constant challenge Who This Is Perfect For You’re a hands-on Senior Engineer who: Loves solving complex, meaningful problems Wants ownership , not just tickets Thrives in a fast-moving, high-trust environment Is ready to step into technical leadership while staying close to code Let’s Talk! If you’re looking for impact, ownership, and growth , apply here or reach out directly: josh.kitchin@profusiongroup.com
