Practical articles about software, technology, and engineering.

OpenStair engineering writing on Flutter, backend systems, documentation, product architecture, open source, and production software delivery.

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Illustration of a mobile application connected to backend services and device capabilities
Flutter

Flutter Error Handling for Production Applications

September 3, 2025 · 13 min read

Master production error handling in Flutter: architect the four catchment zones, model domain failures with Dart 3 sealed types, isolate widget crashes, and scrub PII in telemetry.

FlutterDartMobileSoftware Engineering
Diagram showing API clients, request handling, validation, and service responses
Flutter

Building Reliable API Integration in Flutter

September 1, 2025 · 13 min read

Architecting resilient Flutter network layers: separation of concerns, atomic token refresh queues, Isolate deserialization, and request cancellation.

FlutterDartMobileSoftware Engineering
Illustration of a mobile application connected to backend services and device capabilities
Flutter

Flutter Repository Pattern: When and How to Use It

August 29, 2025 · 12 min read

Master the Flutter repository pattern: decouple domain logic from data sources, implement SWR caching, map DTOs to entities, and handle typed errors with Dart 3.

FlutterDartMobileSoftware Engineering