Juan Manuel Allo Ron – Tech Lead – Staff+ Software Engineer

A June solstice game jam submission — balance day and night, earn wanderer identities, and get every scene narrated on-device by Gemma 4 through Chrome and WebGPU.

Seven Gemini-generated tracks walk the software delivery lifecycle—from human sign-off to legacy maintenance—and now live on this blog with video, MP3s, and a persistent player.

Eleven projects shaping how we run, watch, and coordinate multiple coding agents locally—from tmux layouts to fleet dashboards, Warp, and OpenAI’s Symphony—plus curated YouTube and docs.

The AI workflow I am using now: discovery, UI prototyping, PRDs, issues, Ralph, cmux, TDD, Playwright, and the memory loop I still need to close.

I built a six-hats debate skill so my agent can pressure-test decisions instead of cheerleading them.

How I wired Claude Code skills and slash commands to sync bookmarks and RSS into Obsidian—canvas, weekly notes, and optional email when things break.

Key insights from trying GitHub’s Spec Kit: spec-driven discipline, and where design, models, and validation matter most

A deep dive into MCP servers, agent workflows, AI-powered UIs, local-first patterns, and the future of frontend engineering.

At ELC 2025 I experimented with using AI to plan my schedule, expand my notes, and create sketchnotes — turning a conference into a lasting source of insights and productivity.

I've been experimenting with ChatGPT and discovered a cool trick that lets you create diverse graph visualizations effortlessly.

10 one-line layouts, meticulously reconstructed using Tailwind CSS classes

I decided to team up with ChatGPT to create a 7-day JavaScript challenge, inspired by the popular 30 days of JS.

In this experiment I created a text notation so ChatGPT, Claude.AI and Bard could create some music with it

I've decided to move from Wordpress to a custom setup.

Looking for themes and templates to style your Astro site?

I just came back from a trip and while I look for my new career opportunity I'll be sharing my journey here in my blog

In this weekly digest I have compiled a list of tutorials to deploy your website or app into different hosting providers.

A couple of weeks ago the React team announced React Server Components.

Last week I published tons of resources on the technical interview process.

Defaults in function parameters is a feature that simplified my code a lot.

Technical interviews are not a walk in the park!

Aren’t you tired of always typing the same routes in the terminal?

Images play a huge role in loading performance.

The never ending flow of innovation is what I love about the web.

I used this all the time!

In this post I want to share some resources that helped me learn React and I hope they are useful for anyone starting out there.

Deno is a new ECMAScript based runtime (like NodeJS) created by Ryan Dahl (who also created NodeJS)

In this quick-tip I will show you how to list scripts from the terminal

A quick setup with virtualbox to test IE11

Today, I want to share a list of resources I have been bookmarking to help me develop games.

Terminal command cat is a standard tool to print file contents to the console.

There are 4 steps involved in this setup and I’ll explain in detail how to do it.

Whether you are learning JS from scratch or have been working with it for a while now, I believe you will find great value on the following list of books.

How to use canva to create designs, logos and much more

Recently I have been helping to create content to onboard new developers.

When the year started I was looking to attend to React Summit in Amsterdam.

100 days of code was started by Alexander Kallaway in 2016 but recently it has been gaining more momentum (we all know why).

Since I moved to react at work I have been using and trying different testing strategies and I wanted to share some thoughts and best practices around snapshot testing.

This weekly digest focuses on React internals.

In this quick tutorial I will show how you can add test coverage to your vscode plugin repository.

In this weekly digest I want to focus on resources that have helped me learn Javascript inner workings.

I like sharing quick demos to all the stakeholders as soon as I start developing something new.

Latest releases on the web.

I was reading this Javascript development setup post by Eric Elliot, when I stumbled upon a super cool NPM package to generate dependency graphs.

Best practices on JavaScript modularity: when to use named exports, how to group code and what to avoid.

In this post I will present a quick example on how ES6 can improve readability and help build code that is easier to maintain.

Promises have been there for a while now, officially released in ES6 but already being supported by most browsers before that and/or polyfiled by libraries

Quick recap on what a JS callback is and the common problems around using them

Flexbox helps to solve some of the major problems when working with CSS.