Cesar Alonso O.

With 5+ years of specialized experience in HTML email development, I build responsive, production-ready email templates that render reliably across Outlook, Gmail, Apple Mail, Yahoo, iOS, Android, and other major email clients. I specialize in transforming designs and requirements into clean, responsive HTML emails with a strong focus on cross-client compatibility, accurate implementation, and maintainable code. My primary areas of expertise include: Responsive HTML email development from scratch or from Figma, PSD, Sketch, Adobe XD, PDF, and other design files Cross-client email development and troubleshooting for Outlook, Gmail, Apple Mail, Yahoo, and Microsoft 365 MJML email development, customization, and optimization Pixel-accurate implementation of responsive email designs Email template fixes, rendering optimization, and mobile responsiveness Email signature development Email testing using Litmus and Email on Acid Working with major ESPs including Mailchimp, Klaviyo, HubSpot, and SendGrid Here are some noteworthy facts: 5+ years of specialized HTML email development 3+ years working with MJML Specialized focus on email development and cross-client compatibility Experience converting professional designs into production-ready HTML emails Experience troubleshooting existing templates and rendering issues If you are looking for a reliable Email Developer who understands the technical challenges of HTML email, feel free to reach out. Highlighted skills: HTML Email Development, Responsive Email Design, HTML Email, CSS for Emails, Email Template Development, Email Coding, Email Rendering, Email Testing, Email Optimization, Email Compatibility, Cross-Client Compatibility, Mobile-Friendly Emails, Outlook Email, Gmail Email, Apple Mail, Microsoft 365, MJML, Email Signatures, Dark Mode Email, Figma to HTML Email, PSD to HTML Email, Adobe XD to HTML Email, Sketch to HTML Email, Mailchimp, Klaviyo, HubSpot, SendGrid, Litmus, Email on Acid, HTML5, CSS3, Responsive HTML, Email Troubleshooting.