Back-End Developer (Mobile App) (012-835)

​​Looking for Philippines-based candidates

Job Role: Back-End Developer

Compensation range: $2,000 AUD - $3,000 AUD / Monthly

Engagement type: Independent Contractor Agreement

Work Schedule: This role is expected to align with the AU business hours (approx. 9 AM - 5 PM, Monday to Friday) for collaboration, but as a contractor, you’ll have flexibility in how you manage your time.

Who We Are: At Hunt St, we help Australian companies hire top remote talent in the Philippines. For this role, you will be engaged directly by the client as an independent contractor. We are not an outsourcing agency.

Who The Client Is: A fast-growing mobility technology company redefining how people move through cities. Focused on building a scalable platform that connects users with transport while unlocking new commercial models around real-world engagement and outcomes.

Role Overview: We are seeking a strong Back-End Developer to lead the rebuild of a mobile app’s backend infrastructure. This is a critical role focused on system architecture, performance, and long-term scalability.

Key Responsibilities:

• Audit and validate the existing backend, identifying structural and performance issues
• Lead the end-to-end rebuild of the backend system for scalability and maintainability
• Design and develop APIs, database structures, and core services
• Implement robust monitoring, logging, and error notification systems
• Own deployment, performance, and reliability post-launch, including after-hours support
• Collaborate with front-end/mobile developers to ensure seamless integration

• Strong experience as a Back-End Developer in scalable systems
• Experience with Swift and Kotlin
• Proven track record in rebuilding/refactoring backend architectures
• Expertise in APIs, databases, and system design
• Experience working with multi-language environments (e.g., Kotlin, Swift, Java, Python, Ruby, etc.)
• Familiarity with monitoring and performance tools
• Ability to work independently, take ownership, and drive technical decisions

Context

• The backend is being rebuilt so the final product is better equipped for scalability
• The team is exploring Expo to streamline cross-platform updates
• This role requires a hands-on, accountable developer who can take ownership from rebuild to post-launch support

Work Arrangement & Expectations:

This is a remote role that will be set up as an independent contractor engagement.

To ensure alignment and transparency, successful candidates will be expected to:

• Disclose any existing ongoing roles or client work
• If this engagement is uploaded to your LinkedIn profile this should be clearly marked as “Independent Contractor”