Sergio M.

Full-Stack Drupal Developer

Senior Drupal Consultant | 10+ Years | 6,000 Upwork hrs | Drupal 7→11 Migration Expert | Drupal.org contributor. ✔ What I Do I build and fix Drupal sites. I've been doing this for more than 10 years, and I handle everything from the first conversation to launch day, one person accountable for the whole project. ✔ Most of my work: - AI Integrations: OpenAI/Anthropic APIs, content automation, chatbots, AI-powered search - Migrations: D7 to D10/D11, content migration scripts, module replacements, zero-downtime upgrades - Headless/Decoupled: JSON:API, React/Next.js frontends, multi-channel content delivery - Accessibility: WCAG 2.1/2.2 compliance, EAA remediation, Section 508, audits - Commerce: B2B platforms, subscription billing, complex pricing, payment gateway integrations ✔ Why Clients Pick Me I've worked with Lenovo, Honda, Unicef, Cornell University, and others. I maintain modules on Drupal.org. I show up every day, communicate clearly, and document everything so you're not stuck if we part ways. "Highly responsive and capable freelancer. The work on my Drupal site was top-notch, with clear docs that made it a breeze to use." — Nick Sahinidis, Carnegie Mellon University 6,000+ hours on Upwork. 100% Job Success. 80% repeat clients. ✔ Services & Pricing - D7 to D10 Migration**: full audit, zero downtime — from $3,500+ fixed - Custom Modules & Themes**: $46/hr, retainers available - Performance Audit**: sub-2s load times, 90+ PageSpeed — from $800 fixed - Multilingual Setup**: RTL/LTR, translation workflows — from $1,200 fixed - Security & Maintenance**: monitoring, updates, patching — $350/mo ✔ Next Step Book a free 15 min discovery call or send me your project brief today.