Luis Daher, Ruby on Rails Developer in São Paulo - State of São Paulo, Brazil
Luis Daher

Ruby on Rails Developer in São Paulo - State of São Paulo, Brazil

Member since September 16, 2014
Luis is a professional developer who understands the importance of being responsible and proactive. Fond of Agile methodologies and scrum strategies, he is always focused on adding value to his team and projects. Luis is back-end oriented with a fair knowledge of front-end technologies, and has started expanding his skills by studying iOS and JavaScript frameworks such as AngularJS and Backbone.js.
Luis is now available for hire

Portfolio

  • Olook
    Ruby on Rails, HTML, CSS, JavaScript, PHP, MySQL
  • Mondia Media Group GmbH
    Ruby on Rails, Java, Oracle Database, MySQL, HTML, CSS, JavaScript
  • BuscaPé
    Java, MySQL, HTML, CSS, JavaScript, PHP

Experience

  • Oracle PL/SQL, 10 years
  • Java, 8 years
  • Ruby on Rails (RoR), 4 years
  • Scrum, 3 years

Location

São Paulo - State of São Paulo, Brazil

Availability

Part-time

Preferred Environment

OS X, Atom, Git

The most amazing...

...thing I've coded is a product comparison content API that enables the developers to profit as the apps they develop are used.

Employment

  • IT Manager

    2012 - PRESENT
    Olook
    • Participated in the creation of a development team by conducting interviews and taking part in hiring decisions.
    • Helped craft an integration API to establish a connection between the website and Braspag (a payment gateway), increasing the company's per-order profit considerably.
    • Optimized the website, halving its response time by caching request data and minimizing database requests.
    • Integrated CloudSearch (an Amazon cloud-based item search solution) with the site.
    Technologies: Ruby on Rails, HTML, CSS, JavaScript, PHP, MySQL
  • Senior Software Developer and Scrum Master

    2010 - 2012
    Mondia Media Group GmbH
    • Participated as a scrum master on the development of Telcel’s mobile content portal (Latin America's biggest mobile carrier).
    • Led a team to build a new 24/7 customer subscription platform which covers Web, WAP and SMS (currently getting 10,000 user subscriptions/day).
    • Enhanced the former customer subscription solution environment by fine-tuning server configurations (receiving up to 500,000 daily requests per server).
    Technologies: Ruby on Rails, Java, Oracle Database, MySQL, HTML, CSS, JavaScript
  • Software Developer

    2008 - 2010
    BuscaPé
    • Architected the early versions of BuscaPé’s Developer API, which until 2010 was receiving up to four million requests per day.
    • Helped remodel BuscaPé’s affiliate portal, called Lomadee, which is also integrated with large companies such as Walmart, Dell, and Apple.
    • Helped conceptualize the API documentation and sample codes, assisting a strong and growing community of developers.
    Technologies: Java, MySQL, HTML, CSS, JavaScript, PHP
  • Junior Software Developer

    2006 - 2008
    Telefonica
    • Assembled a new service request solution, automating the former hand-made procedures and supporting all Telefónica covered cities in Brazil.
    • Researched the existing GIS frameworks in order to create a map-oriented telecommunication item management system.
    • Maintained the legacy telecommunication item management system used by more than 100 experienced engineers as a crucial monitoring tool.
    Technologies: Java, HTML, CSS, MySQL, Oracle Database

Experience

  • BuscaPé Developer Section (Development)

    The Buscapé API was the solution found by the company to offer its product base and advertisers services for use in applications, websites, storefronts, banners, and plugins. Thinking about monetization for anyone who uses the API Buscapé model, two programs were created: CPC and CPA. Briefly, the API uses Buscapé CPC program in which the developer is paid for each click on links offers users give from their application.

Skills

  • Languages

    Ruby, SQL, JavaScript, Java, HTML, CSS
  • Frameworks

    Ruby on Rails (RoR), Bootstrap 3, AngularJS
  • Tools

    RSpec, Eclipse IDE, Sublime Text 3
  • Paradigms

    Scrum, Agile Software Development, Pair Programming
  • Platforms

    MacOS, Windows, Linux
  • Storage

    Oracle PL/SQL, PL/SQL, PostgreSQL, MySQL, NoSQL, MongoDB, Redis
  • Libraries/APIs

    jQuery, Devise, Facebook API, Twitter API

Education

  • Master of Business Administration degree in Digital Marketing
    2014 - 2015
    Escola Superior de Propaganda e Marketing - São Paulo, Brazil
  • Bachelor's degree in Computer Science
    2001 - 2006
    Instituto Presbiteriano Mackenzie - São Paulo, Brazil
Certifications
  • Certified Scrum Master
    JUNE 2011 - JUNE 2019
    Scrum Alliance

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