Coposit is a well-funded and innovative startup transforming the off-the-plan property buying experience in Australia. We’re making home ownership more accessible through cutting-edge technology, multimedia, and interactive design.
Our digital products—including the Coposit app and the Ammoze app—are built with a strong focus on user experience across mobile, web, and interactive platforms.
About the Role
We’re seeking a Frontend Engineer with 3+ years of experience and strong proficiency in Flutter and TypeScript to join our product team.
This role is primarily focused on mobile app development, with occasional work on web interfaces (e.g. using Next.js or similar technologies). You’ll play a key role in building responsive, high-performance applications that deliver real value to users.
This is a full-time onsite position based at our office in Summer Hill, NSW.
Remote or hybrid work is not available.
Key Responsibilities
Develop and maintain frontend applications using Flutter and TypeScript
Build performant, responsive interfaces for mobile (primary) and web
Collaborate with UI/UX designers and backend engineers
Integrate RESTful APIs and implement interactive features
Write clean, maintainable, and well-documented code
Participate in code reviews and technical decision-making
Troubleshoot and optimize app performance
Stay current with modern frontend technologies and best practices
Work within an Agile team to deliver features reliably and efficiently
Qualifications
3+ years of professional frontend development experience
Strong hands-on experience with Flutter for mobile development
Solid knowledge of TypeScript and modern JavaScript frameworks
Experience with Next.js or similar frameworks (bonus)
Familiarity with backend frameworks like Nest.js (desirable)
Good understanding of responsive design and cross-platform UI
Experience in Agile teams and CI/CD workflows
Excellent communication and collaboration skills
Bachelor’s or Master’s degree in Computer Science or a related field (preferred)
Prior experience in a fast-paced startup environment (preferred)
Tech Stack
Languages & Frameworks: Flutter (Dart), TypeScript, JavaScript