React Native Developer – Scalable UI Component Architecture

CoreData Systems

Contract · Remote · Flexible hours

About the role

CoreData Systems is building a unified integration layer called "PulseBridge" to connect its billing platform, CRM, and several internal services. As a React Native Developer you will craft the mobile front‑end that drives real‑time data exchange across these systems, ensuring a seamless experience for sales and finance teams.

Key responsibilities

• Develop new screens in React Native 0.71+ to display billing invoices pulled from the PulseBridge API.
• Implement secure OAuth2 flows for CRM authentication and token refresh within the mobile app.
• Write TypeScript services that aggregate data from internal APIs and expose them via Redux Toolkit.
• Set up automated end‑to‑end tests with Detox for both Android and iOS builds.
• Collaborate with backend engineers to define API contracts and troubleshoot data mismatches during the two‑week sprint cycles.
• Optimize bundle size and performance to meet sub‑2‑second launch targets on low‑end devices.

Must-have skills

• Strong proficiency in React Native and TypeScript.
• Experience with RESTful API integration, OAuth2, and JSON handling.
• Solid understanding of Android and iOS native modules and debugging tools.
• Familiarity with state management (Redux Toolkit or MobX) and CI pipelines.
• Ability to write unit and integration tests using Jest and Detox.

Nice to have

• Knowledge of GraphQL and Apollo Client.
• Previous work on billing or CRM integration projects.