Senior Full-Stack Developer for Mobile-First Health Tracking App

We are building a mobile-first health tracking application to be released on the App Store and Google Play Store.

We are looking for a highly skilled and efficient full-stack developer who can deliver clean, scalable architecture within 1 month (40hours/week, 4 weeks).

This is not a no-code project. We require strong engineering discipline, fast execution, and high-quality production standards.

My favourite site is

Project Scope

Preferred Technology Stack:

• (latest stable version)
• Supabase (authentication + database)
• Mobilefirst responsive design
• Clean, modular architecture
• Future AI integration readiness (AI not required in Phase 1)

Core Features:

• Secure user authentication
• Fast daily logging (10second UX flow)
• Trend dashboard with data visualization
• Basic correlation analysis
• Intervention tracking system
• Scalable backend structure for future expansion

What We Expect

We are specifically looking for a developer who can provide:

• Fast development velocity
• Clean, maintainable, scalable code
• Strong mobilefirst UX understanding
• Experience building data dashboards
• Secure authentication implementation
• Proper folder structure & servicelayer architecture

Readiness for App Store / Play Store deployment

Communication & Workflow

• Clear and professional communication
• Daily or neardaily progress updates
• Fast response time (within business hours)
• Agile development process
• Ability to make architecture decisions independently

Required Experience

• Proven experience building SaaS platforms
• Experience with health tracking or data logging apps preferred
• Strong expertise in and Supabase
• Experience designing scalable project structures
• Clean Git workflow

Please Include in Your Application

• Links to live apps you've developed
• Description of your development process
• Tech stack you typically use
• Example of a scalable folder structure you've implemented
• Estimated timeline to complete this project

Only apply if you can commit to high responsiveness and consistent progress during the development cycle.

Contract duration of less than 1 month. with 30 hours per week.

Mandatory skills:

iOS Development, Mobile App Development, Supabase, SaaS Development, Mobile-First Design, App Store Deployment, React, PostgreSQL

Optional skills:

Android App Development, iPad App Development