Profileimage by LorenzoAbraham CornejoOrtiz Full Stack Web Developer from MExico

Lorenzo Abraham Cornejo Ortiz

available

Last update: 12.04.2017

Full Stack Web Developer

Graduation: not provided
Hourly-/Daily rates: show
Languages: English (Full Professional) | Spanish (Native or Bilingual)

Attachments

lorenzo-abraham.docx

Skills

  • About 9 years of experience in designing, developing web applications, web services, client/server applications and n-tier applications by using Microsoft .NET technologies.
  • Expert in developing windows applications, Service Oriented Architecture (SOA) based Applications, web applications, windows services in Microsoft Visual Studio.
  • Experience in creating interactive design deliverables such as Wireframes, Site maps, Process maps, Mockups, UI Specification, Working prototypes, UX Design techniques and other artifacts to describe the Intended user experience.
  • Professional level experience in design, development and implementation of Internet/Intranet applications using C#.NET, ASP.NET MVC, VB.NET, ADO.NET, Entity Framework, AJAX, IIS, HTML, XHTML, VB Script, Java Script, JQuery, Silverlight, XML, UML and PL/SQL and SQL Server.
  • Very good expertise in the design and development of web forms using HTML, ASP.NET AJAX, CSS, Typescript, Bootstrap, Knockout.JS, Angular.JS, Node.JS and XML.
  • Experience using API Video player such as JW Player, Kaltura.
  • Experience on developing Responsive web Design using Adobe Photoshop CS5/CS6 and Illustrator CS6 and experienced in designing components and services by using object oriented analysis and design techniques.
  • Professional in Creating Templates, Mockups and Prototypes, Web Interfaces, Layouts and Flow of Future Pages.
  • Expertise in testing APIs, Web Services for SOA, Databases and UI.
  • Used SVN, GIT for version control and Clear Quest for bug fixing.
  • Experience with Styling and Responsive Design techniques using technologies such as LESS, and SASS
  • High proficiency with web services such as REST, SOAP.
  • Advanced experience with Facebook API, Twitter API, YouTube API and Google Maps API for websites
  • Excellent problem solving abilities and critical thinking.
  • Thorough experience in testing and debugging.

Project history

SPR (Sistema Público de Radiodifusión del Estado Mexicano),                                         Aug2014 -Feb2017                                                           
Front-End Web / Full Stack Developer
(http://www.unavozcontodos.mx/, http://www.spr.gob.mx/)             
Company dedicated to providing the service of digital public broadcasting at national level, in-order to ensure access for more people, a greater supply of plural content to different radio and digital television.
Content Management System
Description: Designed and developed the whole solution that helps the employers to administer and manage content from a website easily (back-end and front-end).
 
Responsibilities:
  • Made the application responsive using Bootstrap.
  • Upload Video using JW Player and KALTURA
  • Migrate modules to Angular JS
  • Manipulate Video with JW Player, drag and drop videos dynamically with JQuery
  • Involved in web designing using HTML5, XHTML, CSS3, JavaScript and extensively used Table less Design in CSS for positioning.
  • Using Node JS to download packages and configuring the  local server
  • After making the applications to be responsive, worked on different mobile devices bugs (like IOS and android).
  • Extensively worked with making calls to APIs to fetch the data from the backend as JSON response and parse it on the UI for DOM/CSS Manipulation.
  • Developed page layouts, Navigations and presented designs and concepts to the clients and the management review.
  • Designed Frontend with an object oriented JavaScript Framework like JQuery, Angular JS.
  • Used JQuery to make the HTML, DHTML and CSS code interact with the JavaScript functions to add dynamism to the web pages at the client side.
  • Implemented procedures for creation of wireframes and prototypes for new user interfaces.
  • Front end development using HTML5, CSS3, JavaScript, JQuery, Angular, Bootstrap, and Data table JS, Editable JS.
  • Co-ordinate with QA for testing, Production releases, Application deployment and integration.
  • Back end development using C# and PHP.
  • Used CSS preprocessor LESS and WEB Essentials for converting LESS to CSS file while deployment.
  • Assuring graceful degradation for older browsers using Modernize.
  • Database design and integration with MySQL.
  • Carry out all stages in the development cycle implementing agile methodologies.
Technologies used: Active Directory, Bootstraps, LESS, PHP, C# (LINQ, Razor, Entity Framework), notepad++, Visual Studio 2015, J-Query, JAVASCRIPT, Data table JS, Editable JS, AJAX, Angular 2, Type Script, EM5/6, Node JS, ASP.NET MVC 5, Cristal Reports, HTML, CSS, Bootstrap, JSON, TFS, WCF.
Finance System
Description: I was in the charge of everything from the initial analysis, requirement definition and design to the deployment, training and maintenance of the application. I was in constant communication with the client and the users and we worked following the agile principles of development. This solution is a tool that facilitates the management of the financial resources of the company for obtaining and efficient use of money.
  • Developed the UI Screens using HTML5, DHTML, XML, Java Scripts, Ajax, JQuery Custom-tags, JSTL DOM Layout and CSS3.
  • Designed and developed Web Pages using ASP.NET, VB.Net, HTML, JavaScript, CSS and server controls.
  • Enhanced user experience by designing new web features using MVC Framework like Require.js and node.js.
  • Involved in development, design and implementation of front end part of the application
  • Worked on the modernization of a legacy and outsourced UI technologies used were Angular.js, Ext.js, and JQuery.
  • Maintained Cross Browser compatibility & implemented Responsive Design using Twitter Bootstrap, custom media queries, etc.
  • Used advanced level of HTML5, JavaScript, CSS3 and pure CSS layouts (table less layout).
  • Produced content pages with CSS3 layout and style markup presentations using JavaScript methods and properties and Used SVN for version control.
  • Extensively used CSS and Bootstrap for styling the HTML elements.
  • Used detailed wireframes and developed Mock-up designs as per the requirements of Business.
  • Worked one-on-one with client to develop layout, color scheme for his website and implemented it into a final interface design with the HTML5/CSS3 &JavaScript using Dreamweaver.
  • Utilized Adobe Fireworks, Adobe Photoshop, Adobe Dreamweaver and Illustrator for the front-end development such as web pages, graphics and multimedia's.
  • Used MS Visio, Dreamweaver and Photoshop tools for web application development.
  • Used Ajax for asynchronously exchanging small amount of data with the server behind the scenes and updating the JSP page.
  • Used Ajax effectively to create pagination and with client side events like quick search.
  • Developed JavaScript library for rendering domain specific layout XML to the web.
  • Written Ajax driven JSON consuming JavaScript functions to save User selections such as radio button, drop-down menu selections into a cookie.
  • Debug the application using Firebug to traverse the documents and manipulated the Nodes using DOM and DOM Functions using Firefox (Firebug) and IE Developer Tool bar for IE.
  • Used JQuery plugins auto complete, validation, drag and drop and more exceptionally.
  • Used JavaScript, YUI DOM manipulation and JavaScript event to generate the data result in UI.
  • Application client implemented as a multi-page, responsive solution with knockout and jQuery.
  • Heavy use of knockout view models for separation of UI, data, and logic concerns.
  • Created a chart/graph that shows the amount of errors per day and create two date-pickers to filter the chart. This was done using JQuery UI.
  • Worked with E-Commerce on Content Management systems like Drupal and Joomla.
  • Involved in gathering requirements, design, and development of Flex components.
  • Search Engine Optimization (SEO) to develop search-friendly websites and interfaces.
Environment: HTML5, CSS3, JavaScript, AJAX, .Net, ASP.Net, JQuery, MVC, Angular.js, Require.js, Node.js, Ext.js, Responsive Design, Bootstrap, DHTML, DOM, XML, XSLT, JSON, Dreamweaver,Photoshop, KnockoutJS, Firebug, Firefox, Drupal, SOAP, agile, YUI, D3.js and Windows.
 
WEB Site - UVCT
Description: Designed and implement a site where the audience can see all the content from this channel like documents, news and times of each program.
Responsibilities:
  • Designed Frontend with an object oriented JavaScript Framework such as Angular.js
  • Developed Single page applications for one of the applications using Angular.js and Bootstrap.
  • Used JQuery to make the HTML, DHTML and CSS code interact with the JavaScript functions to add dynamism to the web pages at the client side.
  • Front end development using HTML5, CSS3, JavaScript, Angular JS, Bootstrap.
  • Working side to side with the client for wireframe definition, programming and testing.
  • Assuring graceful degradation for older browsers using Modernizr.
  • Database design and integration with MySQL.
  • Validation with JavaScript all the required field.
  • Adding Angular JS to redirect de menu to different views and models.
  • Using API Kaltura to save many media in the web.
  • Upload Media (Images, Audio and Video) to Kaltura WEB Site.
Technologies used: HTML5, CSS3, ANGULAR JS, TYPE SCRIPT, NODE JS (NPM), EM5/6, JAVASCRIPT, BOOTSTRAPS, PHOTOSHOP, FTP, JSON, API Kaltura.
 
 
Global HITSS, Mexico City                                                                                                                 May2014 - Jul2014
Front-End/ Full Stack Web Developer
http://www.globalhitss.com/  
This company has established itself as a company highly specialized in the development, implementation, consulting and integration of information technologies.
 
Project: http://mx.mondelezinternational.com/home
 
Development of an application that allows vision medium and long term objectives and establish the objectives of selling in a way more quickly; using historical information to the Organization, and aligned to the commitments for brands as well as avoid manual processes in the generation.
Responsibilities
  • Expertise in object oriented JavaScript Libraries including Various Plug-INS like Angular.js and Ext.js.
  • Developed all the UI pages using HTML, XML, XHTML, DOM, CSS, JSON, JavaScript, jQuery, Ajax,
  •  
  • Implemented JQuery (CSS Layout and DOM manipulation and element selections) for several different business site updates, such as page layout changes and content updates.
  • Created and tested scripts using JQuery on various browsers Chrome, Firefox, Opera, Safari, IE.
  • Involved in developing User interface using SQL, JavaScript, Ember-Js, jQuery, AngularJs, HTML5, and CSS/CSS3.
  • Working on full stack web application for building trademark research platform which can be used by the researchers and lawyers to query upon trademarks requested by the clients
  • Has worked on Angular JS which combines web applications with Model View Controller capability to make development and testing of code efficient.
  • Very closely involved in the Product Backlog (User stories) grooming with the Product Owners, Business Analyst's and Subject Matter Expert's (SME's).
  • Performed very aggressive changes in environment during the UAT to facilitate last minute production changes.
  • Involved in performing code reviews along with the team to ensuring development standards.
  • Worked in fully agile environment with three week sprints during the development of efficient and lightning fast UI.
  • Used CSS mixins and pre-selectors for manipulating shadow dom styles and used CSS3 media queries to enhance responsiveness of the application.
  • Developed efficient re-usable methods featuring communication between parent, sibling and child elements.
  • Implemented one document one query structure for retrieving the data from relational data bases.
  • Ability to deliver work efficiently under fast moving deadlines and extreme pressure.
  • Customized existing web components to meet the required functionality.
  • Worked closely with off shore team to ensure compatibility of code.
  • Created brochure sites, simple forms, and complex search pages interacting with SQL Server and integrated maps and videos in forms of views and panels in Joomla layout as per requirement
  • Worked on CSS Background, CSS Positioning, CSS Text, CSS Border, Pseudo classes, Pseudo elements etc.
  • Good experience working on CSS Background, CSS Positioning, CSS Text, CSS Border, CSS Margin, CSS Padding, CSS Table, Pseudo Classes, Pseudo Elements and CSS Behavior's in CSS.
  • Excellent experience in developing web pages complying with Web Content Accessibility Guidelines (WCAG) and ability to apply W3C web standards.
  • Designed dynamic and multi-browser compatible pages using HTML5, CSS3, JQuery and JavaScript.
  • Application developed was completely responsive featuring pixel perfect design.
  • Responsive Web design and development, application development using HTML, JavaScript, Jquery, Stylus and Bootstrap.
  • Developed the User Interface using HTML 5, CSS3, JavaScript, JQuery and AJAX
Environment: HTML5, CSS3, JavaScript, JQuery, ASP.Net, TFS, Node JS, module JS, bower.
 
TV AZTECA, Mexico City                                                                                                           May2012 - Apr2014
Front-End or Full Stack Web Developer
Project: http://www.tvazteca.com/
Migrate Modules in Silverlight to ASP.NET
Description: Migration of existing modules in Silverlight to HTML 5, these modules are responsible for providing support to users of the company.
  • Developed presentation and UI components using AJAX, XML, HTML, CSS, Custom Tag and JavaScript.
  • Extensive use of Twitter Bootstrap framework to achieve RWD, i.e., makes the portal compatible for various screen resolutions which are trending in the market today.
  • Debug the application using Firebug to traverse the documents and manipulated the Nodes using DOM and DOM Functions.
  • Migrate Videos from Silverlight to  JW Player.
  • A content management system application used for developing publishing, editing and modifying content, organizing, deleting as well as maintenance from a central interface. Developed next generation Homepage for Chase which is highly compactable for all the browsers.
  • Designed dynamic and multi-browser compatible pages using HTML5, CSS3, JQuery and JavaScript
  • We will be using Node.js to build a scalable network application where it can handle many connections concurrently.
  • Worked with the team, helping them build out their markup and CSS.
  • Built custom directives to build application components for rendering grids and maps.
  • Used Selectors, Events, Ajax and Dom Manipulation modules in JQuery for updating content on DOM nodes.
  • Developed page layouts, Navigations and presented designs and concepts to the clients and the management review.
  • Streamlined the Responsive Web Design to enhance the Mobile User Experience and developed designs for the prototypes for the Mobile UI using Git Hub
  • Designed and developed AJAX calls to populate screens parts on demand
  • Created dynamic HTML5 pages with JavaScript and CSS3 for their Intranet software product.
Environment: HTML5, CSS3, JavaScript, Ext.JS, AJAX, JIRA, JQUERY, AJAX, JSON, XML, Bootstrap,
Google Analytics, GitHub
Audience Mobile
Description: This application send questions to the audience to measure level of preference from a product or service transmitted for the network channel.
Responsibilities:
  • Design and development for all projects working closely with the client for wireframe definition, programming and testing.
  • Used Xamarin tools to develop android applications.
  • Working with xml files to create the user interface.
  • Used MVC patterns and C# to create backend function.
  • Consumed Web Services WCF to send Text message to the audience.
  • Used SQLITE to store the information of the audience.
Technologies used: SQLite, Xamarin, Mono Android, C#, LINQ, Visual Studio 2013, Oracle PL/SQL, C# , LINQ, TFS, notepad++, visual studio 2012, HTML, CSS, J-Query, JAVASCRIPT, ASP.NET MVC 3, N-Hibernate, and Web services ASMX, WCF
 
Content Management System
Description: Creating modules for a CMS to help the employers to administer and manage content from a website easily.
Responsibilities:
  • Design and development for all projects working closely with the client for wireframe definition, programming and testing.
  • Implemented procedures for creation of wireframes and prototypes for new user interfaces.
  • Front end development using HTML5, CSS3, JavaScript, JQuery, Bootstrap, Data table JS, Editable JS.
  • Back end development using C#.
  • Created and consumed Web Services such as WCF.
  • Assuring graceful degradation for older browsers using Modernizr.
  • Database design and integration with MySQL.
  • Carry out all stages in the development cycle implementing agile methodologies.
Technologies used: Oracle PL/SQL, C# , LINQ, notepad++, Visual Studio 2013, HTML, CSS, J-Query, Datable JS, Editable JS, Rgraph JS, JAVASCRIPT, ASP.NET MVC 3,XPATH,XML,  JSON,  N-Hibernate, and Web services ASMX, WCF, TFS.
 
DESITEG, Mexico City                                                                                                                      Jun2008 - Apr2012
Front-End or Full Stack Developer
http://desiteg.com/portal/
Desktop, Sell Credit For Cellphones
Description: Creating windows form application to sell credit for cellphones in different companies.
 
  • Created web pages for each project using XHTML, CSS, and JavaScript.
  • Angular: Test-driven development using Karma-Jasmine for unit tests and Protractor-Jasmine for E2E tests.
  • Extensive usage of BOOTSTRAP and LESS CSS for Responsive design
  • Involved in Agile/ full software development life cycle. Designing, coding, testing, debugging and support.
  • Worked with the team of architects and back-end Developers to gather requirements, enhance the application functionality, and add new features.
  • Worked in a team involved in developing the UI, layout and front-end programming for the web applications that matches requirements of sprint.
  • Improved user experience by designing front-end interface mock-ups and adjusting UX flows/ wireframes.
  • Developed table less HTML in a DOM based architecture. Responsible for the overall layout design, color scheme of the web site using HTML, XHTML, and CSS.
  • Validated all the HTML/XHTML and CSS code according to W3C and made it complaint.
  • Used AJAX frameworks like JQuery, JSON to develop rich GUIs and also involved in performance tuning the website.
  • Extensively involved design discussions and user experience sessions to provide inputs on the layout.
  • Provided graphic and artistic support for web enhancement and new creative initiatives.
  • Designated UI architecture for the internal web application and worked with designers to constructs conceptual Wireframes and Mockups.
  • Extensively used JQuery in implementing various GUI components in application portal.
  • Using advanced level of JQUERY, AJAX, JavaScript, CSS and pure CSS layouts.
  • Interacted with java controllers (JQUERY, Ajax, and JSON to write/read data from back end systems).
  • Designed and developed intranet web applications using JavaScript and CSS.
  • Responsible for the design of client websites right from the conceptualization stage to its implementation and maintenance.
  • Designed and developed web pages using with HTML5, DHTML, CSS3, Ajax and jQuery based on the W3C standards and Web2.0.
  • Used to update the HTML pages using JQUERY AJAX via JSON response.
  • Designed and developed AJAX calls to populate screens parts on demand
  • Responsible for the implementation of Web Design based on CSS3, HTML5, XHTML, Bootstrap and Ext.js.
Environment: HTML4, XHTML, CSS2, JavaScript, JQuery, AJAX, JSON, JavaScript, Tomcat Apache, Firebug
DEV tool and Eclipse  IDE.

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Schaumburg, IL 60173

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