Computer Systems Engineering Student · Universidad Fidélitas · Costa Rica

Derek Joel Castillo Quirós

WP Polyglots Contributor · WPCredits Program

Who Am I?

I’m Derek Joel Castillo Quirós, a Computer Systems Engineering student at Universidad Fidélitas in San José, Costa Rica. I’m bilingual (Spanish/English) and have experience in web development with ASP.NET Core MVC, SQL Server, React, and Node.js.

I’m currently participating in the WPCredits program, an initiative by Universidad Fidélitas that integrates real contributions to the WordPress open source ecosystem as part of the SC-270 Computer Science and Society course.

My contribution area is WP Polyglots, where I translate WordPress plugin strings from English into Costa Rican Spanish (es_CR), making the platform more accessible for users in my country.

My Contribution


Program: WPCredits — Universidad Fidélitas

Team: WP Polyglots

Locale: es_CR (Spanish – Costa Rica)

Plugin: Bit Flows – AI Agent Automation & Integrations

Strings translated: 100


🔗 profiles.wordpress.org/derekcr04

«Every string translated is a small step toward making technology more accessible — and accessibility is what open source is all about.»

Derek Joel Castillo Quirós

Follow My Journey

This blog documents every stage of my WPCredits experience — from joining the WordPress community to completing my Polyglots contribution. Eight posts, one honest story.

My Posts

Eight posts documenting my WPCredits journey — from day one to the final reflection.

Post 1 · Introduction

Starting My Open Source Journey: Who I Am and Why I Joined WPCredits

Learn how my WPCredits journey started, why I chose open source contribution, and what motivated me to join the Polyglots team as a university student.

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Post 2 · Onboarding

What I Learned Going Through the WordPress Onboarding Courses

Discover the first steps I completed before contributing — the onboarding courses, what surprised me, and how they shaped my understanding of the WordPress community.

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Post 3 · Area Selection

Why I Chose Polyglots and the Plugin That Kicked It All Off

Find out why I selected WP Polyglots as my contribution area, how I chose the Bit Flows plugin, and what made es_CR the right locale to work on.

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Post 4 · First Contribution

My First 30 Translations: What the Process Actually Looks Like

A detailed look at my first experience using translate.wordpress.org, learning the translation workflow, and submitting 30 string suggestions for Bit Flows.

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Post 5 · Technical Deep Dive

The Strings That Made Me Think Twice

Not all strings are simple. This post covers the trickiest translation decisions I faced — context-dependent terms, placeholders, and choosing between synonyms.

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Post 6 · Mid-Point Update

Halfway There: Progress, Numbers, and What’s Still Ahead

A mid-semester check-in: what I’ve accomplished so far, the numbers behind my contribution, and an honest reflection on the waiting game in open source.

Read More →

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Post 7 · Consolidated Contribution

The Full Picture: My Polyglots Contribution to the WordPress Ecosystem

The most complete documentation of my contribution — 100 translated strings, sample translations with context, and how to verify my work publicly on WordPress.org.

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Post 8 · Final Reflection

What Open Source Actually Taught Me This Semester

The final chapter. An honest reflection on what this semester actually was — what surprised me, what I’d do differently, and what I’m taking forward beyond this course.

Read More →

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Contributions verified at

profiles.wordpress.org/derekcastillo