Mobile App Developer – Kotlin Multiplatform (Hybrid, Sydney)

About the role

We are looking for a Mobile App Developer to join our fast‑growing product‑led tech company in Sydney. This is a hybrid role (three days onsite) working on a high‑traffic platform with a positive social impact. You will be one of the first dedicated mobile engineers, shaping new experiences from the ground up.

Key responsibilities

• Design and implement new mobile features using Kotlin Multiplatform.
• Collaborate closely with backend, product, and design teams to define architecture and technical direction.
• Take ownership of the mobile codebase, ensuring high quality, performance, and user experience.
• Contribute to a greenfield mobile effort, building products that will be used in real‑world, high‑traffic environments.

Required profile

• Enjoys building new products rather than maintaining existing ones.
• Curious and open to learning new technologies.
• Values teamwork and takes pride in delivering high‑quality experiences.
• Seeks a role with strong ownership and influence over product decisions.

Required skills

• Kotlin Multiplatform
• iOS development
• Android development
• React Native
• Flutter

What we offer

• Competitive salary range $170‑190k + superannuation.
• Hybrid work model with three days per week in a modern Sydney office.
• Opportunity to influence product direction and architecture.
• Collaborative environment with a team of 15 engineers.
• Stable, profitable business with global offices.