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Hello! I'm del.

I create experiences, interactions, apps, and websites using HTML, CSS, and JavaScript.

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Noeldel Rosario
Los Angeles,California


A client-side developer with an eye for design, focus on optimization, usability and accessibility, and commitment to semantics and standards.


  1. Front End Developer
    Roozt,El Segundo


    Put agile software development processes to use with an offshore team in order to deliver features in a timely manner. Redesigned the navigation that saw increased click-through rate to different subcategories from 50-100%. Supplemented the category based catalog e-commerce experience with a user based curated catalog that allowed us to have zero spend on Facebook advertisement while maintaining the revenue.

  2. Lead Front End Developer


    Implemented Front End development best practices. Created a video commerce experience that allows the user to make in video purchases without leaving or interrupting the video. Build a platform on top of the video commerce experience that allowed publishers to embed video commerce into their existing website or using the platform have their own turnkey website.

  3. Sr. UI Front End Developer
    CityGrid Media,West Hollywood


    Responsible for the Front End Development for all products of the Advertising and Developer department. Optimized our Self-Enroll Application using design and copy edits that saw the sign-up rate doubled and customer budget tripled. Created the Developer Center landing page that are used by our marketing team to drive understanding and developer sing-ups. Created the next prototype version of our Citysearch Claim Your Business. Implemented the UI and designed the UX for different 3rd party integration such as Find My Buzz and foursquare.

  4. Senior Software Developer
    Schematic,Culver City


    Provided hands-on client-side project development, architecting and technical leadership, while contributing to the company's coding standards, code reviews, and mentoring initiatives. Projects included websites for companies like Logitech, Dell, Target, and Yahoo!

  5. Manager Internet Services
    G4 Media,Santa Monica


    Oversaw high-level Flash projects including integration of ASP/XML/XSL dynamic code into a Flash-based interface, implemented HTML/DHTML/JavaScript into non-Flash-based pages, maintained all aspects of the front end of the Flash-based site, and optimized dynamically generated web pages in Flash.

  6. Software Developer
    DNA Studio,Beverly Hills


    Developed, coded and tested different promotional and informational websites, created Content Management Systems to simplify the addition, editing and publishing of information on the web, and researched and created Internet Applications. Projects included promotional websites for companies like Sony, Universal, Warner Bros, and Coca-Cola.

RooztFront End / UI / UX

KingmakerFront End / UI / UX

Guitar CenterFront End / UX

Design and Usability reviews during Design Production Phase and Lead a team of 7 Front End Developers across 3 location to produce a skinnable templates across Guitar Center's brands during Implementation Phase.

Dell Limited Config PrototypeFront End

Rapid prototyped using the currently published Dell Laptop Category markup in which the website was used to test different content placement.

Dell Rel Masthead PrototypeFront End

Created four version of the Dell Rel Prototype to test a lighter masthead color scheme.

Dell Rel PrototypeFront End / UI

Rapid prototyped using a combination of background image, jQuery, and cufon. Functionality being tested are three different type of compare grids and a select to compare list across English, German, French, Portugues and Chinese languages.

Toyota Music Rock the Space 2Front End

Created static HTML templates for the different phases of the contest. HTML template uses plain JavaScript and includes includes custom integration with Gigya.

Target Homepage RedesignFront End

Created two version of the homepage that were used for split testing against the current homepage. Created HTML template with no doctype using the strategy of treating the HTML as HTML5 due to the limitation of Amazon Seller Central. Functionality include an ARIA enabled tab pane and expand/collapsed content toggle. Managed the deployment of the templates on Amazon Seller Central

Logitech RedesignFront End

Created template for the product category and compare pages.

ClearwireFront End

Created HTML templates for the Clearwire Corp.

Target Style BotiqueFront End

Created a TypePad site template for Target Style Botique blog.

Toyota Music Rock the SpaceFront End

Created static HTML templates for the different phases of the contest. HTML template uses plain JavaScript and includes includes custom Gigya Wildfire widget.