Ezequiel is available for hire
Hire EzequielEzequiel Rivero
Verified Expert in Engineering
Web UX Developer
Buenos Aires, Argentina
Toptal member since April 30, 2018
Bio
For the past 15 years, Ezequiel has been excelling as a front-end and UI/UX developer for a number of projects and startups. He specializes in creating perfect HTML/SCSS, JavaScript responsive designs—going from mockups to pixel-perfection! He also enjoys working in more UI-related tasks (designing with Photoshop, Balsamiq, and Sketch). He is a great communicator and is fluent both in English and Spanish.
Portfolio
Tamagotchi
PHP, jQuery, Sass, CSS, HTML5, WordPress, React, Figma, Vite
Optimizely
JavaScript, jQuery, Responsive Web Design (RWD), HTML, CSS, AngularJS, React...
Sheridan Media
JavaScript, Ruby on Rails (RoR), Ruby, Sass, CSS, HTML
Experience
- CSS3 - 14 years
- HTML5 - 14 years
- JavaScript - 10 years
- WordPress - 8 years
- Sass - 6 years
- Bootstrap - 6 years
- Web UX - 5 years
- Ruby on Rails 4 - 4 years
Availability
Full-time
Preferred Environment
WordPress, Django, Ruby on Rails (RoR), Gulp, Git
The most amazing...
...site I’ve done was Think.meeteor.com—a full-scale web app, an “Asana for meetings". I worked on it for 3 years and did all the prototyping, design, and coding.
Work Experience
UX Designer | Front-end Developer
2011 - PRESENT
Tamagotchi
- Created the site, Buscaespecies.com; with an online database of unique animals in Latin America.
- Worked on the site, RevistaAjena.com—a magazine with high-quality articles about the life in the inner and small towns in Uruguay.
- Developed and designed the site, DelaRaizfilms.uy—the corporate site for a company that focuses on creating extremely high-quality scenery and wildlife videos from all over Latin America.
Technologies: PHP, jQuery, Sass, CSS, HTML5, WordPress, React, Figma, Vite
Solutions Architect
2019 - 2025
Optimizely
- Worked as client-facing technical point of contact to enable customers to implement Optimizely Web Experimentation products.
- Provided close technical and strategic consulting, onboarding, and guidance to marketers, engineers, executives, and top-level enterprise customers, including Crocs, Nike, Mattel, Nespresso, Payoneer, Saks Fifth Avenue, and New Balance.
- Built integrations, extensions, proof of concepts, and A/B tests using JavaScript, JSON, and Optimizely’s REST APIs.
- Supported customers with data discrepancy issues, analyzing event raw data using Amazon Athena and Amazon CloudWatch.
- Developed and maintained long-term working relationships with 50+ customer teams.
- Led technical workshops, both marketing and developer-oriented, for engineers, users, and executives.
- Collaborated with the product team to ensure responsiveness to customer expectations.
- Offered support and coaching to new members of the team.
Technologies: JavaScript, jQuery, Responsive Web Design (RWD), HTML, CSS, AngularJS, React, A/B Testing, Optimizely, Node.js, Solution Architecture, Customer Success, Figma, TypeScript, Single-page Applications (SPAs), Tailwind CSS
Front-end Developer
2018 - 2018
Sheridan Media
- Created dozens of pages for various brands with different variations.
- Helped with the onboarding for new junior developers.
- Worked with other senior front-end developers to develop and improve a Ruby gem for quick page generation.
- Implemented the global testing of the pages in collaboration with the other developers.
- Collaborated with the global documentation of the whole project on a daily basis.
Technologies: JavaScript, Ruby on Rails (RoR), Ruby, Sass, CSS, HTML
Senior UX and Visual Designer | Front-end Developer
2015 - 2017
Meeteor
- Designed the entire application from the ground-up, including wireframes, user testing, and Photoshop mockups.
- Developed the entire front-end of the application utilizing HTML and Sass.
- Utilized and modified a plethora of plugins, gems, and extensions to make up for all the functionalities of the application (including the inline editing of elements, custom forms, and more).
- Contributed to the decisions in all parts of the application, including the marketing, social media, look and feel, and presentation.
- Improved and finetuned the marketing site for the company.
Technologies: CSS, HTML5, Sass, jQuery, Ruby on Rails (RoR), Ruby
Main Front-end Developer
2008 - 2013
Banca de Quinielas de Montevideo
- Acted as the sole front-end developer for the main lottery agency of Montevideo, Uruguay.
- Redesigned the commercial site from the ground up using Ruby on Rails.
- Implemented many UX designs and decisions in the creation of Supermatch.com.uy, a professional betting page.
- Wrote lots of Ruby coding for the site, Supermatch.com.uy.
Technologies: Flash ActionScript, jQuery, Sass, HTML, Ruby on Rails (RoR), Ruby
Front-end Developer
2007 - 2008
Mydeco
- Added new products and sections of the site.
- Solved hundreds of layout bugs, issues, and compatibility with different browsers.
Technologies: JavaScript, CSS, HTML, Python, Django
Web Designer | Front-end Developer | Flash Developer
2004 - 2007
InPulse Digital Marketing
- Created the visual designs on dozens of small websites and also had a hand in the implementation of them.
- Designed various unique content for the VH1 Latin American website, Vh1la.com.
Technologies: Flash ActionScript, Flash, JavaScript, CSS, HTML, Adobe Photoshop
Experience
Cinemateca
http://www.cinemateca.org.uyThis is the full website for one of the oldest and more loved cinemas in Uruguay. I handled the full UX, visual design, and front-end development. The back-end was done in Laravel by a third-party developer.
Lake Pickups
http://www.lakepickups.comThis is a gallery-style site for Lake Pickups, a brand of hand-wound guitar and bass pickups based in Buenos Aires, Argentina. I created the initial UX, the visual design, and the full coding. The back-end is based on WordPress and other various plug-ins for custom fields.
Revista Ajena
I implemented the full coding and development for the site for Revista Ajena, a weekly magazine with high-quality articles regarding life and culture in the outermost parts of Uruguay. It was made in WordPress and the template was created 100% from scratch.
BuscaEspecies
A beautifully designed site of an educational TV show, showing different wild animals from all over Latin America. The site works in WordPress but it also required lots of custom PHP coding in order to make all the layout for each of the animals and their statuses.
De La Raíz Films
http://www.delaraizfilms.uy/A corporate website for a fantastic visual company that creates high-quality wildlife and nature images and also nature documentaries. It's made in WordPress.
Meeteor
http://think.meeteor.comA state-of-the-art meeting and notetaking tool—think "Asana for meetings"! I developed all of the front-end here and also the visual and UX design.
Skills
Libraries/APIs
jQuery, React, Node.js
Tools
Sketch, Adobe Photoshop, Sublime Text 2, Gulp, Trello, Balsamiq Mockups, Git, Flash, Chrome Developer Tools, NPM, Optimizely, Figma
Languages
CSS, PHP, JavaScript, Sass, CSS3, HTML5, HTML, Flash ActionScript, Python, Ruby, TypeScript
Frameworks
Bootstrap, ZURB Foundation 2, Ruby on Rails (RoR), Django, Ruby on Rails 4, Bulma, AngularJS, Tailwind CSS
Platforms
WordPress
Paradigms
Scrum, Agile, Responsive Web Design (RWD)
Other
WordPress Themes, Web UX, Cross-platform UX, SEO Tools, Front-end, A/B Testing, Solution Architecture, Customer Success, Single-page Applications (SPAs), Vite
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