Walter Barcelos

OOPHP, JavaScript, jQuery, HTML 5, CSS 3, Bootstrap, Git/Github, SaaS, MySQL/MariaDB, Yii MVC Framework, Laravel, WordPress, Digital Ocean

- Yii1 and Yii2 MVC framework. - WordPress custom themes and plugins development. - Custom web applications connecting with several external APIs. - OO PHP, Javascript, MySQL, SQLServer, SVN, Git.

- Yii1 and Yii2 MVC framework. - WordPress custom themes and plugins development. - Custom web applications connecting with several external APIs. - OO PHP, Javascript, MySQL, SQLServer, SVN, Git.

• WordPress BE and FE development (OO PHP, Ajax, Rest API, MySQL, jQuery, CSS3, Less, HTML5, Bootstrap). multi site, multi network, WP-CLI. • Technical leadership on project basis. • WordPress custom plugins, with focus on performance and caching. • Technical specifications, estimating delivery times. • Migration from Drupal to WordPress. • Integration with external services (Ebay, Reevoo, Tinypass, Salesforce ExactTarget, Akamai, Monetizer101). • Creation and management of Tealium libraries and profiles.

- OOPHP, WordPress, Ajax, JSON, Ajax, jQuery, JavaScript, HTML 5, CSS 3, Bootstrap, MySQL, CodeIgniter, Yii, Laravel - Android, IONIC + ReactJS

PHP Back-End Senior Developer - WordPress themes and plugins development. - Fixing and improving existing Drupal modules. - Technical specifications, estimating delivery times. - Working to tight budgets and deadlines. - Coaching / mentoring other members of the team. - Client training sessions. - Technical documentation. - OOPHP, jQuery, CSS, HTML, JSON API, RESTful web services, GIT, SVN, Sublime Text, PHP Storm, JIRA, Bitbucket.

- Development of plugins and new features for wpCasa clients. - WordPress, jQuery, Ajax, Web services, HTML5, OOPHP, MySQL. - GIT, Bitbucket. - Client support.

- WordPress Back-end development (OOPHP, Ajax, JSON). - WordPress Front-end development (jQuery, CSS, HTML). - Custom post types and taxonomies. - Import information from XML feeds. - System to manage advertisement published between posts. - Customized search results for custom post types, with infinite scroll effect. - Development of customized widgets and template functionality. - Twitter cards and Facebook open graph tags for social sharing. - Livefyre comments WordPress integration.

- WordPress custom plugin: testing and fixing many features (PHP, CSS, jQuery, Bootstrap, Ajax). - WordPress installation (FTP, MySQL).

- WordPress customization and installation. - Salesforce administration (tasks, users, reports, email blasts, app installation, etc.). - Mailchimp and Streamsend email blasts (new templates, reports). - Maintenance of computers and network. - PHP, Ajax, jQuery, CSS, HTML5, Bootstrap, MySQL, CSV, XML, JSON.

- Data Base design and optimization (MySQL, PostgreSQL, SQLite, XML). - Development of Web platforms, with customized back-end (OO PHP, MySQL, PostgreSQL, xHTML, HTML5, Javascript, Ajax, jQuery, Smarty, Bootstrap, Google APIs, RESTful, XML, PayPal, Bank Gateway, Facebook API, Twitter API). - Development of Java J2SE applications. - Design and development of Java J2ME applications. - Technical documentation (UML, Database diagrams, Gantt diagrams, etc.). - Team leader (less than 5 people).

Desarrollo de videojuegos J2ME. Testing y porting para más de 400 modelos de móviles. Desarrollo de librerías de inteligencia artificial y control de colisiones. Desarrollo de herramientas internas en J2SE para apoyo a la creación de animaciones.

Desarrollo de videojuegos J2ME. Testing y porting a más de 400 modelos de móviles. Desarrollo de herramientas internas J2SE para control de versiones, creación de animaciones, y gestión de información en BBDD centralizada.

Apoyo a la programación de sistemas web PHP, utilizando DreamWaever y MySQL.