DelgadoElias

The JavaScript ecosystem has grown rapidly over the years, with **NPM (Node Package Manager)** at the core of dependency management. However, with great convenience comes great risk. Supply chain attacks — malicious modifications to software packages or dependencies — have emerged as a serious threat in the Node.js community. In this article, we’ll explore what supply chain attacks are, real-world examples, and strategies to protect your projects.

In modern web development, frameworks like **Next.js**, **Nuxt**, and **SvelteKit** offer different ways to deliver content. Beyond technology, understanding **how content is delivered** helps make decisions that affect both user experience and application architecture.

JavaScript is single-threaded by design, which means it can only execute one task at a time in the main thread. This can lead to performance issues when running CPU-intensive operations. **Workers** provide a way to run code in the background without blocking the main thread.

Chief Technology Officer (CTO) at Helipagos

Jun 1, 2025 - Present

Since June 2025, I lead the technological strategy of Helipagos, driving cloud cost optimization, backend rearchitecture, DevOps automation, and product scalability. I closed a strategic agreement with Huawei Cloud, reducing infrastructure costs by 30%, while leading a migration that decreased backend microservices memory consumption by 60%. I oversee teams in design, product ownership, and development, aligning technology with business goals and market positioning.

Technology Innovation Manager at Helipagos

Jan 1, 2025 - Present

I analyze and optimize products, driving innovation and improving system performance. I developed the preliminary Kotlin version of a Helipagos product and built a TOTOP microservice using Kotlin, Spring Boot, and GraalVM. I redesigned our flagship fintech product, reducing 3 days of development to just 30 minutes of configuration. I manage CI/CD pipelines, configure AWS EC2 instances, and implement integration scripts across the organization. Additionally, I develop core functionalities in AWS Lambda and design architectures aligned with business needs.

An AI-powered image editing tool that allows users to edit photos using natural language commands. Built with React, Python, and integrated with various AI models for intelligent image manipulation.

A challenge to make a website with HTML, CSS & Javascript and deploy them in less than 3 hours.

A simple BMI Calculator built with Next.js 13, TypeScript, and MongoDB. Features like reactive BMI calculation, and a responsive design.