Lead Full‑Stack Developer – Remote Contractor

About the role

We are seeking an experienced Lead Full‑Stack Developer to own and evolve our React Native/Expo mobile app and Firebase backend. Working remotely as a contractor, you will collaborate directly with the Founder, CTO, and Product Manager to deliver new features, maintain production stability, and scale the platform for a rapidly growing user base.

Key responsibilities

• Take ownership of the existing React Native/Expo and Firebase codebase, ensuring stability, maintainability, and scalability.
• Lead hands‑on architecture decisions, address technical debt, and establish engineering best practices.
• Implement new features across mobile, backend, and future web components, including deep integration with Google Calendar.
• Configure and maintain CI/CD pipelines, troubleshoot production issues, and improve app performance.
• Write and maintain technical documentation, runbooks, and architecture notes.

Required profile

• 8+ years of professional software development experience with full‑stack responsibilities.
• Proven track record of owning and evolving a production codebase in a fast‑paced environment.
• Strong communication skills and ability to work effectively in a remote‑first team.

Required skills

• React Native / Expo
• JavaScript / TypeScript
• Firebase (Firestore, security rules, backend logic)
• Google Calendar API integration
• React (for future web implementation)
• CI/CD pipeline configuration and maintenance
• Unit testing and release automation

What we offer

• Opportunity to shape a product that solves everyday challenges for busy families.
• Small, collaborative team where your input has real impact.
• Fully remote work with flexibility and autonomy.
• Early‑stage involvement with potential to influence company growth.