
Ezequiel De Simone
Verified Expert in Engineering
Full-stack Developer
Tandil, Buenos Aires Province, Argentina
Toptal member since May 6, 2013
Ezequiel is a seasoned software developer who has created software for many well-known companies, including HBO GO, WWE, Orbitz, and EA. He has also worked as a freelance project leader and developer specializing in website development. He excels in a wide range of modern technologies.
Portfolio
Experience
- PHP - 9 years
- JavaScript - 8 years
- WordPress - 7 years
- React - 5 years
- Magento - 4 years
- Redux - 3 years
- PostgreSQL - 2 years
- Node.js - 2 years
Availability
Preferred Environment
JetBrains, iOS
The most amazing...
...software I've created is a program that uses a custom backtracking algorithm for a Backgammon game.
Work Experience
Web Development Course Tutor
CareerFoundry
- Reviewed the content of each unit and corrected students' assignments for each unit.
- Taught students about the technologies they are learning.
- Taught good coding practices and helped to develop a basic page, an API in Node.js, a SPA in React and React Native, and so on.
Vanilla JavaScript Developer
FutureWork Systems LLC
- Created and integrated Syncfusion charts into the website, ensuring accurate data handling and filtering to display the correct information in visual formats.
- Built and customized each webpage using WordPress, JavaScript, and CSS, delivering a seamless and responsive user experience.
- Handled and filtered large datasets to ensure the correct data was displayed across charts and dashboards, improving usability and clarity for end users.
Senior Front-end Engineer
TALLER.US
- Created the Taller.us website from scratch using TypeScript, React, and a call to API.
- Made the site's design 100% accurate and ensured compatibility with all devices.
- Developed an internal tool in Angular 12 and created components and new features. Made the site responsive for small and large screens, including 5K.
Front-end Software Engineer
PayPal
- Created components to support A11y accessibility. Incorporated optional chaining and replaced Lodash's library to reduce bundle sizes.
- Modified the React component to include different functionalities based on mobile native and web view apps.
- Made modifications and improvements to the flow of Paypal Pay Later and the PayPal Honey plugin.
Front-end Software Engineer
Reflektion
- Created the new analytics portal (https://reflektion.com/modules/#analytics) using and adapting the Highcharts library from scratch. Customized components to fit customer needs. Created everything necessary in Redux to get the components working.
- Created new components and fixed bugs in the code. In most of the cases, I connected the pieces created with Redux and a call API based on Node.js.
- Performed integration and unit tests using TDD best practices.
Magento 2 Software Developer
Sugarfina.com
- Developed custom modules to interact in the proccess of how to show the package product.
- Worked on modifying the theme to a front-end equal to the new template.
- Set up and replicated the environment in my machine and created a staging environment to not break anything in the production environment.
Senior Software Development Engineer
WWE
- Developed features for wwe.com with front-end technologies and Drupal.
- Developed a microsite using new technologies such as Gulp and Webpack. (http://www.wwe.com/wwenetwork).
- Implemented A/B testing in the network landing page and integrated it with the main site.
Senior Software Development Engineer
Reelz/ReelzTV
- Developed the site for ReelzTV from scratch. ReelzTV is a platform similar to Netflix.
- Developed a web app for Amazon Fire TV using IAP API for web apps and requested the service from our API developed in C#.
- Architected and developed the client-side front end.
- Developed some new features and fixed bugs for the Reelz website.
Senior Software Development Engineer
HBO GO Asia
- Led four front-end team members for an HBO GO Asia for the Philippines and Singapore project. Collaborated with the back-end and mobile iOS and Android teams.
- Created the site from scratch. Designed the site based on logical functionality in HBO Europe and replicated the design from the US site, putting in some custom functionality.
- Recommended some changes in the API to retrieve the correct information on the front-end side.
Software Engineer
Sellry.com
- Helped with specific issues on Magento Community 2.1. most of them about the visual aspect.
- Fixed some functionality using some plugin integrations.
- Redesigned/refactored the look and feel on the front-end side.
- Implemented and used Agile methodologies.
- Reviewed the website's responsiveness, testing this on different mobiles and browsers.
Senior Software Development Engineer
Warnerbros
- Developed software front ends. The project involved back and front-end technologies wrapped on Drupal modules and themes.
- Created the front end of the new website.
- Helped the UX designer make the design compatible with Drupal 8.
Magento Developer
Ammo.com
- Launched ammo.com. Redesigned the old site (ammo.net) and created new functionality.
Software Developer
Devspark
- Developed software end to end for APIGEE. Worked with XML, Java, JavaScript, and Python to add extra functionality in the RESTful API to obtain the behavior that clients expect.
- Developed and refactored all sites for the Discovery company to make them responsive using WordPress 3.8.
- Developed using the Tizen wearable app SDK for the Piksel company using HTML5, CSS3, jQuery Mobile, and Android.
Software Developer
Summa Solutions
- Developed the Cinsay eCommerce platform.
- Built a website.
- Migrated the K-Swiss website (http://img.kswiss.com/) from Magento 1.9.0 to 1.9.1.1.
Software Developer
Globant
- Worked as a quality engineer in the US for Orbitz (www.orbitz.com), a leading travel agency. Used Qlikview Software to show company metrics as well as QED internal site development in Ruby on Rails.
- Performed component testing of OrbitzHosts through app isolation using MockObjects. Created test cases using Java, JMeter, Selenium, RIDE, AccuRev, Python, Batch, and other tools promoted by Orbitz.
- Developed an API for Google Buzz using PHP and Agile Methodology (http://code.google.com/intl/es-ES/events/io/2010/about.html).
- Worked as a contractor for playdom.com. Migrated Facebook and MySpace games to the Playdom site.
- Fixed software issues for Sisertel.
- Worked as a consultant for Riverwood (http://www.riverwoodcapital.com). Migrated the company website from a static site to a dynamic site. Administered the website using a CMS (Joomla!). Developed the site using HTML and JavaScript for fast information retrieval.
- Used WordPress to develop a car insurance website (www.carinsurance-choices.com). Adapted WordPress by building and installing various plug-ins, giving it CMS-like functionality. Used LAMP as the main development environment, as well as JavaScript and CSS.
- Used the LAMP platform, the Symfony framework, and Agile Methodology to create a microcredit website for Planet Finance.
- Performed technical analysis for a future social website project named VendorBooks. Migrated the current site developed in Joomla 1.0 to Joomla 1.5.
- Developed administrative website functionality for Fonalix.
Software Developer
Self-employed
- Developed software for Brigades.org.
- Advised and directed development projects remotely.
Web Developer
W3 Comunicación S.R.L
- Worked as a web developer for a number of well-known companies, including McDonalds, BMW, and Citibank.
Experience
Palm.com
I acted as a software developer, working with two more developers to build the website from end to end.
Citibank Puerto Rico
Citibank Chile
Tmf-au
Longdrift
Software Engineer
https://www.leloir.org.ar/CarInsurance
Cinsay
Stockngo
Planet Finance Group
A Discovery Company
http://www.stuffyoushouldknow.com/Stuff to Blow Your Mind | A Discovery Company
http://www.stufftoblowyourmind.com/Stuff You Missed in History Class | A Discovery Company
http://www.missedinhistory.com/Stuff They Don't Want You to Know | A Discovery Company
http://www.stufftheydontwantyoutoknow.com/Stuff Mom Never Told You | A Discovery Company
http://www.stuffmomnevertoldyou.com/HBO GO Asia
https://www.hbogoasia.com/Warner Bros Website
https://www.wblicensedadvertising.comSoftware Engineering Consultancy
http://sellry.comTechnologies used: Linux, Apache, PHP, MySQL, HTML, CSS, Sass, JavaScript, jQuery
Important patterns used: MVC, Factory, Singleton, Registry, Observer, Agile (Scrum)
ReelzTV Web App
WWE.com
http://www.wwe.com/wwenetworkTodayTix
https://www.todaytix.comSugarfina.com
PayPal Pay Later
https://www.paypal.com/us/digital-wallet/ways-to-pay/buy-now-pay-laterI also created components to support A11y accessibility. I then incorporated optional chaining and replaced Lodash's library to reduce bundle sizes. I modified the React component to include different functionalities based on mobile native or the Webview app.
Technologies used: React, Redux, JavaScript ES6, CSS3, HTML5,
Webpack, GraphQL, BrowserStack,GitHub, Jira, and Agile methodology (Scrum).
YingHua International School Website
https://www.yhis.org/https://e-tiandi.com/
https://e-tiandi.com/• Migrated a PHP project to an EC2 instance running LAMP (Linux, Apache, MySQL, and PHP).
• Migrated the DNS management to Cloudflare for improved performance and security.
• Debugged and fixed issues with some legacy code where certain functionalities weren't working as expected.
TALLER.US
https://taller.us/Education
Diploma in Business and Management
Unicen - Tandil
Bachelor's Degree in System Engineering
Unicen - Tandil
Certifications
JavaScript
www.testdome.com
SQL
estdome.com
JavaScript
HackerRank: https://www.hackerrank.com/certificates/6f2303236cf3
Skills
Libraries/APIs
React, React Redux, jQuery Mobile, jQuery, jQuery UI, Mustache, Highcharts, Reactstrap, Node.js, Tizen Wearable, Facebook API, Google API
Tools
GitHub, Jira, Sketch, NPM, Gulp, Adobe Photoshop, PhpStorm, Apache, JetBrains, Bower, Jenkins, Webpack, Bower Front-end Dependency Manager, Cordova Plugins, Canva, Adobe Dreamweaver, Eclipse IDE, Figma, BrowserStack, Syncfusion
Languages
HTML, CSS3, HTML5, PHP, SQL, JavaScript, PHP 5, CSS, JavaScript 6, Sass, ECMAScript (ES6), Java, Less, Pascal, XML, GraphQL, ES7, TypeScript
Paradigms
Scrum, Agile, Responsive, Responsive Coding, Procedural Programming, Object-oriented Programming (OOP), Agile Software Development, REST, Functional Programming, Test-driven Development (TDD), Behavior-driven Development (BDD), Asynchronous Programming, Class-based OOP, Unit Testing, Search Engine Optimization (SEO), Business Intelligence (BI)
Frameworks
Bootstrap, Slim, Prototype Framework, Symfony, Selenium, Redux, Express.js, React Native, Smarty, Android SDK, Ruby on Rails (RoR), Zend Framework, Foundation CSS, Next.js, Angular, Vanilla JS, Tailwind CSS
Platforms
WordPress, LAMP, Ubuntu Linux, MacOS, Ubuntu, Magento Community Edition, Amazon EC2, Magento, Joomla, Linux, Windows, Apache2, iOS, Drupal 8, Drupal, AWS Lambda, Firebase, Magento 2, Oracle, Amazon Web Services (AWS), Android, Azure, Web
Storage
MySQL, Amazon S3 (AWS S3), MongoDB, Memcached, JSON, Cache, PostgreSQL, MariaDB
Other
Full-stack, Front-end, Ajax, Graphic Design, eCommerce, Wamp, IAP SDK, Software Architecture, Software Design, Software Development, Algorithms, OOP Designs, Mathematics, Ecology, Economics, Technology, Startups, 3D Animation, 3D Modeling, SOAP, APIs, Custom CMS Development, Cloudflare, Responsive UI, Bootstrap 4
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