Senior Full Stack & Mobile Engineer (React Native & Node.js) Senior Full Stack & Mobile Engineer (React Native & Node.js) CEO & Co-Founder, Pebl | Award-Winning Mobile Payment Solutions for Mobile Businesses Senior Full Stack & Mobile Engineer (React Native & Node.js) Sydney, NSW (Hybrid – 1 day/week in-office) Flexible hours About Us Pebl is an Australian-owned payment technology innovator making payments simpler and more accessible for small businesses, sole traders, and charities. From Tap to Pay on mobile devices to quick payment links and donations, Pebl powers fast, effortless payments. About the Role We’re hiring an experienced Senior Full Stack / Mobile TypeScript engineer to join on a 6‑month contract (contractor basis) with potential to extend or convert to full-time. You’ll work directly with the CTO to build a brand new React Native mobile app while supporting maintenance on an existing Flutter mobile app. At the same time, you’ll contribute to our Node.js backend running on Firebase / GCP and enhance internal web tools (React). This role offers real ownership: lead important projects, help shape engineering practices, and make meaningful technical decisions at a company-wide level. Contract range: $70,000–$90,000 AUD for 6 months (no super/leave entitlements) Web stack: React TypeScript Backend: Node.js / TypeScript on Firebase / GCP Integrations: RESTful APIs; Stripe (nice to have) Mobile contexts: iOS and Android native integrations, NFC payments, Tap‑to‑Pay functionality Required Skills 4 years of solid mobile development experience supporting both iOS and Android Proven expertise in React Native, TypeScript, React, and Node.js Comfortable working across frontend and backend domains, including REST API design and consumption Ability to dive into legacy code (Flutter) and contribute to overall codebase quality Self‑motivated communicator who can take initiative in a small, agile team Nice to Have Experience with Stripe (payment integration) Familiarity with Flutter / Dart Hands-on exposure to Firebase / GCP infrastructure and tooling Interest in fintech, payments, or charitable payment flows What You’ll Be Doing Maintain and update our existing Flutter mobile app (short term) Design and build a new React Native app from scratch Collaborate on backend features and internal tools powered by Node.js and Firebase Work with the CTO to make architectural and product decisions Why Join? Real ownership over critical engineering work and product direction Flexible, hybrid setup based in Sydney, with a supportive environment for experienced engineers Meaningful impact - help build products that legitimately help charities, small, medium & enterprise businesses get paid faster and more securely Interested? This role starts ASAP. If you’re a senior dev who’s passionate about mobile, eager to own projects, and interested in shaping something meaningful, we would love to hear from you. 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