Enzo Heredia, Quality Assurance Developer in Buenos Aires, Argentina
Enzo Heredia

Quality Assurance Developer in Buenos Aires, Argentina

Member since April 19, 2019
Enzo is an engineer with more than 12 years of experience in QA/QA automation, working with the latest technologies and highest industry quality standards automating web UIs, Rest APIs, and back-end services. He's comfortable in startups and large companies, either as the first QA member or joining teams of all sizes. He also has experience defining processes, procedures, and tools in order to achieve the best quality.
Enzo is now available for hire


  • InAllMedia
    Continuous Integration (CI), Selenium Page Object, Python 3, Bash...
  • Seed2a
    Continuous Integration (CI), Selenium Page Object, Elasticsearch, Bash, Unix...
  • Despegar.com
    Quality Assurance (QA), Scrum, Agile, QA Automation, Apache JMeter, RSpec...



Buenos Aires, Argentina



Preferred Environment

Jira, Git, Selenium, Node.js, Ruby, Windows, MacOS

The most amazing...

...project I was part of was an application designed to learn from users habits using AI and machine learning in order to provide personalized recommendations.


  • Senior QA Automation Engineer

    2017 - PRESENT
    • Automated UI for a .NET web application to manage residential users electricity, water, gas consumption. Used Ruby/Watir for UI automation.
    • Used Cucumber to follow the BDD process.
    • Automated Rest API using Ruby/httpi gem and Rspec.
    • Automated Windows services needed for the application back-end. Used Ruby.
    Technologies: Continuous Integration (CI), Selenium Page Object, Python 3, Bash, Microsoft SQL Server, GitHub, REST APIs, Scrum, Agile, QA Automation, RSpec, Behavior-driven Development (BDD), Cucumber, SQL, Watir, Ruby
  • Senior QA Automation Engineer

    2014 - PRESENT
    • Worked as a QA automation contractor for different clients.
    • Automated a web application which implemented a UI for Kanban methodology made in React, using nightwatch.js.
    • Automated a web application to manage custom medicine orders. Used nightwtach.js for UI automation.
    • Automated a web application for a video compression platform. Used nightwatch.js for UI automation as well as Docker and TeamCity for CI.
    • Validated information in the MongoDB database.
    Technologies: Continuous Integration (CI), Selenium Page Object, Elasticsearch, Bash, Unix, Linux, GitHub, REST APIs, Scrum, Agile, QA Automation, TeamCity, Docker, Selenium, Nightwatch.js, JavaScript, React, MongoDB, Node.js
  • Automation Lead

    2013 - 2014
    • Led an automation team in charge of validating the functionality of a site for selling flight tickets, hotels rooms, and rental cars.
    • Automated scripts for a cross-platform application using Python/JavaScript for iOS, Android, and mobile web.
    • Administrated app versioning and stability (Testflight, Git - merge and conflict resolutions, Jenkins - configuration).
    • Automated mobile web app UI using Selenium and Rspec.
    • Automated REST API service response and stability.
    • Performed load testing over critical APIs.
    Technologies: Quality Assurance (QA), Scrum, Agile, QA Automation, Apache JMeter, RSpec, Selenium, Jenkins, Git, TestFlight, REST APIs, Android, iOS, JavaScript, Python
  • QA Automation/Consultant

    2011 - 2012
    • Oversaw the app's quality (iOS/Android) which gives personalized recommendations using a combination of AI and machine learning algorithms.
    • Ran manual test cases and automated scripts for the iOS app with JavaScript and UIAutomation framework.
    • Validated information retrieved from Cassandra DB.
    • Assessed Android platform quality, and ran manual test cases.
    • Defined QA process and metrics to achieve quality goals.
    Technologies: Scrum, Agile, QA Automation, Cassandra, UI Automation, JavaScript, Android, iOS
  • Automation Lead

    2008 - 2011
    • Developed automated test cases (Perl-Watir, AutoIt, C#-WatiN ).
    • Ran Regression testing, system testing, smoke testing, stress and performance to a back-end application (Google Search Appliance – Exchange) connector.
    • Tested Windows Services and COM+ applications from both connectors.
    • Created unit tests using C# (NAnt, MSBuild).
    • Managed testing environments (Windows Server 2003/2008, Exchange 2003/2007/2010, SQL Server 2000/2005/2008, BizTalk Server 2000/2006/2009, Active Directory, Domain Controller, Internet Information Services).
    Technologies: Quality Assurance (QA), Microsoft SQL Server, Scrum, Agile, QA Automation, Internet Information Services (IIS), Controller, Azure Active Directory, SQL Server 2008, SQL Server 2005, SQL Server 2000, Windows Server 2008, MS Exchange, Windows Server 2003, WatiN, C#, AutoIt, Google Search Appliance, BizTalk, SQL, Watir, PEARL
  • QA Analyst

    2006 - 2008
    Quality Four Technologies
    • Developed and executed test plans, test cases; developed SQL script tests.
    • Tested web application (regression, system, and performance). Tested mobile platform (data, model, and communication). Tested web application configuration.
    • Managed issue tracking and configuration control.
    • Managed and configured testing environments (Windows 2003 server, IIS, SQL Server 2000, 2005).
    • Performed white box testing (C#, SQL) and application delivery and documentation.
    Technologies: Quality Assurance (QA), Microsoft SQL Server, Agile, SQL Server 2005, SQL Server 2000, IIS, Windows, C#, SQL, .NET



  • Languages

    Ruby, JavaScript, SQL, HTML, Python, C#, PEARL, AutoIt, Bash Script, Bash, CSS, Python 3
  • Frameworks

    Selenium, .NET
  • Tools

    Git, Cucumber, RSpec, Atom, GitHub, Jira, TestFlight, Jenkins, TeamCity, Watir, WatiN, MS Exchange, Apache JMeter, Behave
  • Paradigms

    Agile, Scrum, Kanban, E2E Testing, Behavior-driven Development (BDD), Continuous Integration (CI), Test-driven Development (TDD)
  • Platforms

    Windows, MacOS, Docker, Windows Server 2003, Windows Server 2008, Unix, Linux, iOS, Android
  • Other

    QA Automation, Quality Assurance (QA), Selenium Page Object, HTTP, HTTPS, UI Automation, IIS, BizTalk, Google Search Appliance, Controller, Internet Information Services (IIS), Performance Testing, Apache Cassandra
  • Libraries/APIs

    REST APIs, React, Nightwatch.js, Node.js
  • Storage

    Microsoft SQL Server, Cassandra, SQL Server 2000, SQL Server 2005, SQL Server 2008, Azure Active Directory, MongoDB, Elasticsearch, MySQL


  • Bachelor's Degree in Informatics Engineering
    2002 - 2007
    UCSA (Universidad Católica de Salta) - Buenos Aires, Argentina

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