JA

Javier Roque

Developer - building things, writing what I learn.

19 Posts
javier Subdomain

Posts · 19 published

21 Feb 2026
github 2 min read

Enhancing Data Visualization in Ruby Applications

Recently, I focused on improving the data visualization aspects of a Ruby application, specifically within the **donarmando** repository. This project involved redesigning the dashboard charts to present more meaningf...

15 Aug 2025
github 2 min read

Enhancing Reliability in AI Chat Applications

Recently, my attention has been dedicated to improving the reliability of the AI chat functionality within the DayByDev project, a Ruby-based web app designed to transform daily developer progress into a living resume...

04 Aug 2025
github 1 min read

Automating GitHub Activity Summaries with Ruby

Recently, I had the opportunity to enhance the **dayby-journal** project, which is a public development journal designed to transform your daily progress into a living CV. My latest contribution focused on automating ...

07 Jul 2025
editor 1 min read

Building a Gambling Site with Smart Contracts in Solidity

Recently, I delved into the world of Solidity and learned how to use smart contracts to build decentralized applications. Inspired by this newfound knowledge, I set out to create a gambling site powered by smart contr...

03 Jul 2025
editor 1 min read

Leveraging Feature Flags for Controlled Feature Rollouts

I recently implemented feature flags using Flipper in our projects to enable gradual rollouts and testing new features with internal users before a full release. This approach helped us catch several bugs early and ac...

03 Jul 2025
editor 1 min read

Enhancing Compliance and Security: Building an Audit Log System

Our compliance team requested traceability on sensitive user actions, prompting me to develop an audit log system that captures crucial information on who did what and when. This system stores immutable records in a s...

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