Carlos Espinoza

I'm a System Engineer and Senior Full-Stack Developer dedicated to delivering exceptional web solutions. With 12+ years in software development, I have deep expertise in PHP e-commerce platforms, including custom theme and module development for PrestaShop, WordPress/WooCommerce, and Shopify. My expertise in Laravel, Symfony, and CakePHP allows me to build scalable, efficient applications, always with an eye on optimizing for SEO and Web Performance.

• Spanish (Native)
• English (C1)

Experience

I have been working as a Freelancer for many agencies / individuals located in different countries (Spain, Chile, Argentina, Mexico, Venezuela and Colombia) using platforms as Workana and Upwork.

Education

My Works

Below, I present a selection of my professional journey and the diverse software development projects in which I have built or actively participated. These works reflect my experience and skills in creating robust and efficient solutions.

• Bio Kombucha

  I improved Bio Kombucha, a healthy natural drink company, by integrating Stripe as a payment gateway and subscription products. This store was built with Prestashop and some third-party modules, which I improved and adapted according to customer's needs. I improved the SEO and optimized its performance and user experience through various optimizations. I build a custom banner module to enhance promotions and user engagement of subscription products.

• Maquinaria Bosca

  I developed the Maquinaria Bosca website from scratch using WordPress and WooCommerce, building pages based on client-provided designs. I utilized Elementor for page creation and Advanced Custom Fields for custom product data. The site includes plugins such as Complianz (GDPR/CCPA Cookie Consent), JetSmartFilters, Premmerce Permalink Manager, YITH WooCommerce Catalog Mode, and Yoast SEO, all configured to meet project requirements. I also managed SEO and optimized site performance.

• One Key Payments

  I collaborated on the development of this website, focusing on enhancing user experience through improved animations and smooth interactions. My responsibilities included managing translations, updating page content, and ensuring the site remained visually appealing and responsive. The project was built using Webflow, which enabled efficient design and implementation of modern web features.

• D24

  I collaborated on the D24 project using Webflow, working closely with a colleague to build most of the site’s pages and implement engaging animations for an enhanced user experience. I developed dynamic menu functionality with JavaScript based on client requirements and leveraged Webflow’s CMS to efficiently manage dynamic content. The site was crafted from a Figma design provided by the client, utilizing reusable components for consistency. Additionally, I integrated the Swiper library to create interactive sliders and carousels, further improving the site’s visual appeal and interactivity.

• Semana por la sostenibilidad

  I collaborated on the development of this website, a web application for a travel company dedicated to sustainable tourism. Using WordPress and the Elementor plugin, I translated a Figma design into a fully functional website that promotes eco-friendly travel options.

• García Floquet Arquitectos

  I developed this website entirely from scratch for an architecture firm, showcasing their projects and services with a modern design and user-friendly interface using Wordpress, Elementor, WooCommerce.

• James & Mau

  I developed this website entirely from scratch for an architecture firm, showcasing their projects and services with a modern design and user-friendly interface using Wordpress, Elementor, WooCommerce.

• MESETA Arquitectura

  I developed this website entirely from scratch for an architecture firm, showcasing their projects and services with a modern design and user-friendly interface using Wordpress, Elementor, WooCommerce.

• Pipichu

  I developed this website for a children's clothing brand, featuring an online store and a blog with parenting tips. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Suministros Intec

  Created a website for an industrial supply company, showcasing their products and services with a focus on B2B sales. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Calzados Bienve, S.L

  Developed a website for a shoe company, featuring an online store and a blog with fashion tips. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Maria Luisa Maestre

  Developed an online store for a clothing brand, featuring product catalog, shopping cart, and secure checkout. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Pinturas Alfaz

  Developed a website for a paint company, showcasing their products and services with a focus on user engagement. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Shalbaida

  Developed a website for a clothing shop, featuring an online catalog, shopping cart, and customer reviews. I used Prestashop as CMS and translated Adobe design into a fully functional website. I made SEO and WPO for better ranking.

• Sistema Integrado de Gestión Catastral y Administración Tributária

  I designed and developed the Integrated Cadastre and Tax Management System from the ground up using CakePHP 2.x, JavaScript, jQuery, Bootstrap, HTML5, CSS3, PostgreSQL, and the TCPDF PDF library. The system includes user authentication, property listings, tax calculation modules, comprehensive reporting dashboards, and PDF document generation. I managed deployment on a secure Linux server, provided user training and ongoing support, and ensured reliability through thorough testing and debugging. The project features robust documentation, version control with Git, and security measures to protect sensitive data. Since its launch in 2015, the system has remained scalable, maintainable, and actively used by the municipal government.

• Google reCaptcha for Prestashop

  Implemented Google reCaptcha for Prestashop, enhancing security and reducing spam in user registrations and contact forms.

• Chilexpress for Prestashop

  Integrated Chilexpress shipping solutions into Prestashop, streamlining logistics and improving delivery options for customers.

• Correos de chile for Prestashop

  Integrated Correos de Chile shipping solutions into Prestashop, enhancing delivery options and tracking for customers.

• Webpay for Prestashop

  Integrated Webpay payment solutions into Prestashop, enabling secure online transactions for customers.

• Webpay One Click Mall for Prestashop

  Integrated Webpay One Click Mall into Prestashop, simplifying the checkout process for customers.

• Sendu for Prestashop

  Integrated Sendu shipping solutions into Prestashop, enhancing delivery options and tracking for customers.

• Sendu for Woocommerce

  Integrated Sendu shipping solutions into Woocommerce, enhancing delivery options and tracking for customers.

• Starken for Prestashop

  Integrated Starken shipping solutions into Prestashop, enhancing delivery options and tracking for customers.

• Starken for Woocommerce

  Integrated Starken shipping solutions into Woocommerce, enhancing delivery options and tracking for customers.

• Instapago for Prestashop

  Integrated Instapago payment solutions into Prestashop, enabling secure online transactions for customers.

• Webpay One Click Mall for Woocommerce

  Integrated Webpay One Click Mall into Woocommerce, simplifying the checkout process for customers.

Interests

Besides being a full-stack developer, I enjoy most of my time road cycling 🚴 and learning new things 👨‍💻.

Contact

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Whether you have a question, need assistance, or want to collaborate on a project.

For development and technical support services, feel free to reach out to me vía below form or my email aecarlosae@gmail.com or phone +58 412-1397565. I look forward to collaborating with you!