Hi, I'm Luis Sevilla.

Web Developer & SEO Specialist

I build high-performance, responsive websites and site architectures while optimizing digital experiences for search visibility and conversions.

Luis Sevilla portrait headshot

About Me

I'm Luis, an SEO developer with a solid foundation in IT and Client Communication. I prioritize my focus on optimization, technical stability, and great user experiences. My skillset bridges the gap between web development and professional troubleshooting, which helps me optimize or design websites to rank well on search engines and engage users seamlessly.

I'm ready to bring my grit and technical curiosity to a forward-thinking team or client in need of digital growth!

Technical Skills

HTML5 / Semantic Markup

Accessible, clean, and structured page layouts following modern web standards.

CSS3 & Layouts

Flexbox, CSS Grid, custom properties (variables), and responsive design.

JavaScript

DOM manipulation, ES6+ features, async operations, and client-side logic.

Technical SEO & Audits

Crawlability, site architecture, metadata optimization, and Core Web Vitals.

Google Analytics & GTM

GA4 configuration, event tracking via Tag Manager, and performance measurement.

Search Console & Strategy

Keyword research, indexing monitoring, search queries, and content optimization.

Featured Projects

Content blog with technical guides on using vanilla JS

Llama Dev Builds

A responsive web development and SEO content blog where I publish technical guides. Here I continuously deploy updates, optimize SEO strategies, and create assests for the storefront.

  • HTML5
  • CSS3
  • JavaScript
Interactive sports analytics dashboard

PitchPulse Analytics

An interactive sports analytics dashboard that provides real-time standings, match fixtures, and head-to-head performance metrics across Europe's top football leagues. Includes localStorage state persistance.

  • API Data
  • Chart.js
  • ES6 Modules
Technical SEO performance audit preview

Meridian Dental Case Study

Developed an end-to-end local business web platform optimized for maximum search visibility and semantic accessibility. Conducted a local SEO audit and optimized Core Web Vitals, schema markup, and metadata.

  • SEO
  • Core Web Vitals
  • Schema

Ready to Start a Project or Hire?

I'm actively seeking opportunities in Web Development and SEO/Digital Marketing. Reach out and let's discuss how I can contribute to your team.