React Native Developer for High-Volume In-App Purchase Flow

Pinecrest Systems

Part-time · Remote · Flexible hours

About the role

Pinecrest Systems is launching an integration project that links its billing platform, CRM, and internal APIs. We need a React Native developer who can bridge these systems while delivering a smooth mobile experience for internal users.

Key responsibilities

• Design and implement React Native modules that consume billing and CRM REST endpoints
• Synchronize data between mobile clients and internal APIs with secure token handling
• Write reusable UI components for cross‑platform consistency
• Collaborate with backend engineers to define API contracts and error handling
• Perform unit and integration testing to ensure data integrity across services

Must-have skills

• Proficiency in React Native and JavaScript
• Experience building Android and iOS apps
• Understanding of RESTful APIs, OAuth, and JSON data structures
• Ability to work independently in a remote, part‑time setting

Nice to have

• Familiarity with billing or CRM systems integration
• Knowledge of TypeScript and automated testing frameworks