Mobile Application Developer

OTR. Making Life Easy.

At OTR, we’re not just redefining - we’re actively disrupting the convenience retail sector, blending fuel, food, and technology into a world-class customer experience.

If you are an individual who is driven, curious, and passionate about mobile apps and eCommerce, and you want to work on apps that scale nationally, we encourage you to apply for this exciting position.

OTR’s mission is to make life easy, and this team is charged with delivering a best-in-class Fuel, Food & Convenience digital offering, including the OTR App and our eCommerce platforms.

Who We Are

OTR Group comprises of over 1,000 retail, convenience, and quick service restaurants – including brands such as Reddy Express (formerly known as Coles Express), SmokeMart Giftbox, and in S.A, Krispy Kreme, Hungry Jacks, Oporto, Guzman and Gomez and many others. OTR Group is part of the Viva Energy Australia Group – an ASX-listed company helping Australians reach their destination by refining, importing, and distributing energy products while building a safe and sustainable energy future for all Australians. With Viva Energy Australia’s national footprint and OTR’s history of industry-leading innovation, there has never been a more exciting time to join the OTR Group as we set out to redefine the retail landscape in Australia.

Your Contributions

Bring your experience and technical expertise into the ideation and development of new features in the OTR App that truly deliver our Make Life Easy promise.

Achieve best-in-class customer experience by collaborating with developers, designers, backend engineers, and product owners.

Guide and coach our teams to improve by utilising innovative technology and modern app design.

Deliver business simplification end to end as we enhance loyalty, payments, ordering, and store experiences.

Ensure quality, secure, and scalable apps that perform seamlessly for customers nationwide.

What We Offer

The opportunity to contribute to the development of a best-in-class retail & eCommerce app used by hundreds of thousands of Australians.

Join a dynamic, innovative digital team at a renowned South Australian company, known for disrupting the convenience retail sector.

Be a part of our growth journey, with countless opportunities as we rapidly expand into a nationwide retail powerhouse.

Access to exclusive staff benefits via our OTR App.

Access to our free and confidential Employee Assistance Program (EAP).

What We Are Looking For

Essential Skills & Experience

Proven experience in mobile app development with Android (Kotlin, Kotlin Multiplatform) and iOS (Swift/SwiftUI).

Cross-platform deployment experience and ability to optimise for App Store and Google Play.

Strong understanding of REST API integration (.NET 8 microservices, JSON, authentication flows such as OAuth2/Azure B2C).

Familiarity with modern development patterns (MVVM, dependency injection, reactive programming).

Understanding of mobile performance and memory management.

Solid experience with source control (Git/GitHub/Bitbucket) and CI/CD pipelines.

Highly Valued

Experience integrating payments.

Exposure to loyalty, rewards, or digital ordering apps.

Experience working with cloud platforms (AWS/Azure) for app services and monitoring.

A strong interest in user experience, analytics, and data-driven improvements.

We welcome applicants from diverse backgrounds including Aboriginal and Torres Strait Islander people and encourage and support diversity in our traditional and non-traditional roles.

Please note: This role is being sourced by our internal Talent Acquisition team; therefore, we will not be accepting applications via external recruitment agencies