Esteban Muñoz Solís, Full-stack Developer in San Ramón, Alajuela, Costa Rica
Esteban Muñoz Solís

Full-stack Developer in San Ramón, Alajuela, Costa Rica

Member since June 25, 2015
Esteban has over 13 years of experience developing software and 11 years developing full-stack web applications in Ruby on Rails. He's used to working both remotely and directly with clients. This experience has given him excellent communication skills with both clients and co-workers. He has a master's degree, is very proactive, and likes professional challenges, so he's always looking for projects that can make both him and the client grow.
Esteban is now available for hire



  • jQuery, 13 years
  • Full-stack, 13 years
  • Agile Software Development, 13 years
  • Git, 12 years
  • Ruby, 11 years
  • Ruby on Rails (RoR), 11 years
  • APIs, 10 years


San Ramón, Alajuela, Costa Rica



Preferred Environment

Mac OS X, Linux, Git

The most amazing...

...thing I've helped code is a hardware/software solution for providing security and cryptographic processing, using network-attached encryption.


  • Co-owner and Software Engineer

    2011 - PRESENT
    EJE Digital
    • Worked in several full-stack Ruby on Rails applications as senior software engineer for outsourcing clients.
    • Provided guidance as technical lead for junior developers in the company.
    • Managed in-house web applications using cutting-edge technologies as full-stack developer and technical lead.
    Technologies: Ruby on Rails
  • Full-stack Web Developer

    2015 - 2016
    American Medical Professions Association (via Toptal)
    • Built a complete web application from scratch, including features like profile management, social networking, document repository, and more.
    • Wrote more than 500 automated tests for the app.
    • Integrated the web application with some third party APIs.
    • Took care of the administration of the web application, including setup steps for the code repository, hosting and assets, and the deployment process.
    • Took care of the requirements analysis and design of the entire application.
    • Kept constant communication with the client about requirements and project updates.
    Technologies: Ruby on Rails
  • Software Engineer

    2006 - 2011
    Avantica Technologies
    • Involved in design, development, testing, and maintenance activities for a security encryption software, both software and hardware related.
    • Designed, developed, and tested an application in a web service that processed requests that were queued as they were received.
    • Designed, developed, and tested a web application that created a meeting point for people with cancer and their friends and families.
    • Analyzed requirements for a banking web application especially designed for teens. Also involved in the development of a prototype for this project.
    • Oversaw a web application and API for an email marketing client.
    Technologies: C/C++, .NET, Ruby on Rails, PHP, Perl
  • IT Administrator and Software Developer

    2005 - 2006
    Reingeniería de Servicios S.A.
    • Designed and developed software applications to facilitate the company’s management in all the required areas.
    • Administrated the company's local network.
    • Developed and managed one of the company’s web pages and its servers.
    Technologies: .NET, Java


  • Costa Rican Citizen Registry Lookup (Development)

    Rails 5 JSON API to look for Costa Rican citizens by ID number

  • VerticalResponse API Wrappers (Development)

    API client libraries for the VerticalResponse application ( There are currently three wrappers available for three different languages: Ruby, Java, and PHP.

  • AvanticaGreen Web Application Game (Development)

    Web application that consists in a collaborative game for internal users of the Avantica Technologies organization, to help spread awareness about the environment.


  • Languages

    Ruby, CoffeeScript, JavaScript, HTML, Sass, XML, CSS3, C, PHP, C#, Java, Perl, C++
  • Frameworks

    ZURB Foundation, Ruby on Rails (RoR), Bootstrap, Capybara, Zend Framework
  • Libraries/APIs

    jQuery, Ruby on Rails API, Node.js
  • Tools

    Git, RSpec, Subversion (SVN)
  • Platforms

    MacOS, Linux, Windows
  • Storage

    JSON, PostgreSQL, MySQL
  • Other

    Full-stack, APIs
  • Paradigms

    Agile Software Development, Behavior-driven Development (BDD), Test-driven Development (TDD), Scrum


  • Master's degree in Computer Science
    2006 - 2008
    University of Costa Rica - San José, Costa Rica
  • Bachelor's degree in Computer Science
    2002 - 2005
    University of Costa Rica - San José, Costa Rica

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