@marioarce

Mario Alberto Arce

@marioarceSan José, Costa RicaJoined June 2026

AWS Cloud Architect | Serverless & Event-Driven Systems | Enterprise Modernization (Monolith → Microservices) | .NET & API Architecture

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Mario Alberto Arce's blogs

PowerCSharppowercsharp.hashnode.dev7 posts

The Cache Family

Problem .NET already gives you IMemoryCache and IDistributedCache. Both are well-designed for what they are. Neither is an application-level abstraction — they're platform abstractions, and your servi

Sep 2 · 6 min readpowercsharp.hashnode.dev

The Features Framework

Problem A feature flag library answers one question: is this feature enabled? It doesn't answer the question that actually matters in a real application: what happens to dependency injection when the

Aug 21 · 5 min readpowercsharp.hashnode.dev

Foundation: Core, Extensions, Utilities, Helpers, Compatibility

Problem For most of twenty years across .NET Framework 1.1 through .NET 8, I wrote the same handful of things in every codebase: a null check before a string operation, a DayOfWeek comparison to detec

Aug 18 · 7 min readpowercsharp.hashnode.dev

Why I Built a Feature Module Engine — and Why Feature Flag Libraries Weren't Enough

The Problem Three years ago, I was building a CORS policy module for a library that would be consumed by teams I didn't control. The infrastructure team wanted to control activation via environment va

Jul 14 · 7 min readpowercsharp.hashnode.dev

100+ Extension Methods: When Breadth Is a Design Decision, Not a Mistake

The Problem Every enterprise C# codebase I have worked in has a StringHelper.cs. Or a DateTimeUtils.cs. Or an Extensions folder with 47 files and no discernible organization principle. The code works.

Jul 3 · 5 min readpowercsharp.hashnode.dev

Mario Alberto Arce

About

Available for

Mario Alberto Arce's blogs

The Cache Family

The Features Framework

Foundation: Core, Extensions, Utilities, Helpers, Compatibility

Why I Built a Feature Module Engine — and Why Feature Flag Libraries Weren't Enough

100+ Extension Methods: When Breadth Is a Design Decision, Not a Mistake

Search Hashnode

Mario Alberto Arce

About

Available for

Mario Alberto Arce's blogs

The Cache Family

The Features Framework

Foundation: Core, Extensions, Utilities, Helpers, Compatibility

Why I Built a Feature Module Engine — and Why Feature Flag Libraries Weren't Enough

100+ Extension Methods: When Breadth Is a Design Decision, Not a Mistake