Sydney · Full time · On-site/hybridSelf-serve consumers and enterprise seats run through the same billing and activation paths.
This role owns the money and the funnel.What you'll doBuild and own monetisation: plans, paywalls, subscriptions, credit and usage metering, auto top-up, access control and revenue share.Own onboarding and activation end to end — signup, first task, first genuine result — and the experiments that improve them.Build the analytics and experimentation foundations: events, funnels, attribution and A/B tests, so decisions come from data rather than opinion.Work directly with payment providers and their failure modes: declines, webhooks, disputes and platform-specific quirks.What we're looking for3–5+ years full-stack with shipped experience in payments, subscriptions or growth surfaces.TypeScript/React and Python, plus SQL fluency — you can answer your own funnel question.Comfort owning a metric, not only a backlog.

📌 Senior Full Stack Engineer - Growth & Monetisation (Sydney)
🏢 NinjaTech AI
📍 Sydney