Senior Frontend Engineer

Senior Frontend Engineer

We're an ambitious early-stage startup building a platform that reshapes how people coordinate their real lives. We move fast, ship with urgency, and care deeply about product and user experience.

This isn't just another job, it's your chance to help build the engine room of a category-defining company from the ground up. A rare opportunity to join the founding team with the potential to grow into a key technical leadership role as we scale. You'll help shape not just the product, but the culture and direction of the company itself.

Experience: 7+ years of experience preferred, but we're eager to hear from you if you're an outlier, punch above your weight, have built impressive things, or bring an ownership mindset.

About you and the role

If you're an engineer who gets sh*t done, obsesses over quality, and wants to help build a product people love, you're in the right place.

We're looking for an elite React Native Engineer who can ship beautiful, performant interfaces at scale. You set the standard for front-end craft: intuitive UX, pixel-perfect design implementation, and smooth cross-platform performance. You lead like an owner, bring technical rigour, and care deeply about the polish and quality of what you ship.

You'll work alongside our founding engineer to bring Toffee's vision to life. This is a high-trust, high-autonomy role where you'll help set the technical direction, shape our design system, and lay the foundation for a culture of world-class execution.

Responsibilities

• Design, develop, and maintain features in our React Native mobile application for iOS and Android.
• Collaborate with product, design, and backend engineering to define solutions end-to-end and lead the technical decisions that bring them to life.
• Contribute to architectural decisions, ensuring code quality, performance, and scalability.
• Debug deep issues, optimise performance, and ensure reliability across devices and environments.
• Write clean, performant, maintainable code. Raise the bar on code quality, testing, and architecture patterns.
• Balance speed with craftsmanship - knowing when to move quickly and when to design for long-term scalability.

Requirements

• 5+ years professional experience in software engineering, with 3+ years of React Native at scale.
• Proven track record in shipping and scaling apps, with hands-on experience across the full mobile release cycle including App/Play Store submission, approval, and production monitoring.
• Hands-on with the ecosystem: state management (Redux, Recoil, MobX, or similar), REST/GraphQL APIs, push notifications, deep linking, and analytics instrumentation.
• Comfortable working with Figma and collaborating with designers to nail interactions and polish.
• Thrives in a high-trust, high-autonomy environment; proactive, resourceful, and decisive.
• End-to-end problem solver: you don't just write code, you think about architecture, DX, CI/CD, and long-term maintainability.

NB: This is a full-time position based in Sydney. To be considered, candidates must have unrestricted working rights in Australia.

Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• Job functionEngineering and Information Technology
• IndustriesSocial Networking Platforms

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