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Alejandro Ríos

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Staff engineer at a Mexico City e-commerce platform, leading the migration from REST to gRPC-web across 30+ microservices. Maintains the internal API gateway that handles 50 M requests/day.

backendapiarchitectureperformance

Articles by Alejandro Ríos(5)

Integrating State Management with Flutter's Newest Features

This article delves into the modern state management approaches in Flutter, focusing on the latest features including Riverpod, GetX, and the all-new Flutter state restoration. We will explore the evolving landscape of state management in Flutter applications, from foundational concepts to practical implementations, with an eye toward scalability and maintainability.

FlutterState ManagementMobile DevelopmentRiverpodGetX

23 July 2026

Building a Reactive State Management System with Flutter BLoC

This article explores the BLoC (Business Logic Component) pattern in Flutter for effective state management. We will delve into its architecture, rationale for use, comparison with other patterns, an incremental implementation strategy, and a methodology for ensuring system resilience in the face of changes.

FlutterBLoCState ManagementReactive ProgrammingMicroservices

23 July 2026

Why your microservices are more tightly coupled than your monolith

Distributed systems do not automatically reduce coupling. Most microservice architectures trade compile-time coupling for runtime coupling — and runtime coupling is harder to detect, harder to test, and far more expensive to fix.

architecturemicroservicesbackenddistributed-systems

21 July 2026

Alejandro Ríos — ANN Tech — ANN Tech