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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.

Several years of experience in developing applications in following environments: Backend: PHP, C #; Front-end: HTML5, CSS3, Javascript (jQuery, angularjs, ...); Database systems: MySQL, PostgreSQL, SQL Server, DRUPAL I have over 5 years of experience in developing websites in Drupal. I've built dozens of sites in drupal 6, 7, 8 and 9. I do module development and error debugging and correction. I have a deep knowledge of how Drupal ecosystem works: a) Knowledge of the modules, the core drupal modules and contributed modules. b) Experience with main Drupal components : 1- Drupal's API: API Form, Field API, Database API, 2- Drupal Hook system, 3- Drupal theme layer and template system. 4- Menu and Taxonomy components I have knowledge and experience with the different layers of a web application in general and Drupal in particular: Database (mysql, sqlite, etc) Backend: Drupal ecosystem Front-end: drupal theme and template system, HTML, CSS, javascript / jQuery Other skills: GDPR compliance services Experience in webservices integration: REST, SOAP

I am passionate and knowledgeable when it comes to technology, with a Masters Degree in Software Engineering, 15 years of experience in many fields and +8000 hours on Upwork. These are my skills:  ▸ Full Stack development   • LAMP | LEMP | LAPP | LEPP   • HTML | CSS | Javascript | PHP   • JQuery | Ajax | Angular | Bootstrap | D3.js | Apex Charts   • Drupal | Wordpress [Module/Plugin dev, Divi4]   • Laravel | Grav | Kirby CMS   • Browser extension dev. (Chrome, Firefox, Safari. Edge, Opera)  ▸ System Administration   • Nginx | Apache HTTP Server | Lighttpd   • Linux: Debian | Ubuntu | CentOS | RedHat | Mandrake | Gentoo   • MySQL | Postgres | Oracle   • HTTPS(SSL cert) | IPTables| fail2ban | CloudFlare   • NextCloud | OwnCloud | FTP | SFTP | Samba   • Software versioning: Git/Gitlab ▸ Other skills:   • Python | Java | C | C++ | Lisp   • IoT: Raspbian | Node-Red | Mosquitto | Sensor data acq. Looking forward to working with you, Carlos