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Dario Palmero

@dariopalmero

I modernize and maintain complex Ruby on Rails applications for eCommerce, payments, APIs, and legacy integrations.

At Accura Online, I've helped modernize a long-running multi-domain Rails application from Rails 2 to Rails 6/7 while preserving critical B2B, B2C, and eCommerce workflows. I build and maintain quoting, checkout, pricing, stock, taxes, shipping, customer accounts, permissions, and complex business rules.

I've delivered payment integrations with Stripe, PayPal, and Authorize.Net; REST/XML and SOAP integrations; and asynchronous synchronization with legacy Windows/Clarion systems. Earlier, I built PlayerPress.com's Rails social platform from the ground up and developed client web applications at Agencia USINA.

Experience

Work history, roles, and key accomplishments

Ruby on Rails Developer

Accura Online

Oct 2010 - Jul 2026 (15 years 9 months)

Modernized a large production Rails application from Rails 2 to Rails 6/7, developed complex eCommerce and multi-domain functionality, and implemented payment integrations with Stripe, PayPal, and Authorize.Net.

Ruby on Rails Ecommerce REST APIs XML Stripe PayPal Authorize.Net SQL Performance Optimization jQuery AJAX Active Storage Internationalization

Ruby on Rails Developer / Full Stack Developer

PlayerPress.com

Jun 2008 - Sep 2010 (2 years 3 months)

Built a Ruby on Rails platform from the ground up to replace a Joomla sports site, expanding it into a full social platform with user profiles, messaging, articles, and communities.

Ruby on Rails MySQL HTML CSS JavaScript AJAX Prototype.Js Google Maps RSS cross browser compatibility

Web Developer / Web Designer

Agencia USINA

Feb 2006 - Jun 2008 (2 years 4 months)

Developed and maintained client websites and web applications using PHP, MySQL, Joomla, JavaScript/AJAX, and HTML/CSS, translating designs into hand-coded XHTML/CSS interfaces.