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Mobile API Integration

guided project · Project-based · 5 weeks

¥76,000

Connect mobile clients to REST and GraphQL APIs with secure token storage, refresh strategies, and optimistic UI. Includes a guided project simulating flaky network conditions.

What is included

  • OAuth PKCE flow on device
  • Secure storage comparison (Keychain/Keystore)
  • GraphQL queries with persisted cache
  • Retry/backoff policies with user-visible states
  • Offline queue for write operations
  • Mock server with contract tests
  • Observability hooks (logging, breadcrumbs)

Outcomes

  1. Implement refresh-token rotation without user logout
  2. Demonstrate offline write replay on a demo API
  3. Write contract tests for three critical endpoints
Diego Alvarez

Diego Alvarez

Support mentor for backend-mobile integration and error surface design.

FAQ

Which platforms?

Examples use React Native and Flutter snippets; concepts apply to native stacks.

Backend included?

We provide a mock API. Connecting to your company API is optional homework.

Excluded?

Production API hosting costs and paid observability vendors are not included.

Reviews

"Offline queue lab mirrored our field app issues. PKCE walkthrough was the clearest I have seen."

— Ivy, TransitGo

"Contract tests caught a breaking change before our sprint review. GraphQL section assumes prior exposure."

— Tom, Mobile engineer
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