Rafael Mazariolli, Full-stack Developer in Wellington, New Zealand
Rafael Mazariolli

Full-stack Developer in Wellington, New Zealand

Member since August 20, 2012
Rafael has 15+ years of professional software development experience, ranging from a SaaS built from scratch used by 200,000 unique users, generating BRL1.5 million on sales, to a dozen of brand websites and transactional web applications built for Johnson & Johnson as a developer and technical leader of an agile team, which also required great communication and team working skills, mentoring junior developers and putting the DevOps mindset into practice.
Rafael is now available for hire


  • Common Ledger
    Amazon Web Services (AWS), Node.js, Vue, PHP, Terraform, Docker, GitLab CI/CD...
  • Square (via Toptal)
    GitHub, Puppet, Subversion (SVN), Git, Ruby on Rails (RoR), CodeIgniter...
  • Johnson & Johnson
    Amazon Web Services (AWS), .NET, PhoneGap, Docker, SonarQube, Jenkins, Git...



Wellington, New Zealand



Preferred Environment

Git, Amazon Web Services (AWS), Node.js, PHP, Terraform, React, Serverless, Docker, REST, Full-stack

The most amazing...

...application I've designed and built from the ground up was an online food ordering service that generated BRL1.5 million in sales and had 220,000 unique users.


  • Lead Developer

    2018 - PRESENT
    Common Ledger
    • Led the development of an application that enabled businesses to apply for loans in a fraction of the time by providing all required financial information automatically, directly from their accounting system.
    • Mentored junior and intermediate developers and was part of the hiring panel of all technical candidates.
    • Designed and implemented the migration of job scheduling infrastructure to a serverless model.
    Technologies: Amazon Web Services (AWS), Node.js, Vue, PHP, Terraform, Docker, GitLab CI/CD, Serverless, Serverless Framework, SQL, CSS3, JavaScript, MySQL, REST, Full-stack
  • Software Developer

    2014 - 2018
    Square (via Toptal)
    • Oversaw maintenance of the BookFresh legacy platform after Square, Inc acquired the company.
    • Implemented the migration process to move customer data to the new Square platform.
    • Worked on tickets with bug reports and minor enhancements.
    Technologies: GitHub, Puppet, Subversion (SVN), Git, Ruby on Rails (RoR), CodeIgniter, JavaScript, MySQL, PHP, SQL, CSS3, REST, Full-stack
  • Sr. IT Analyst, Technical Leader

    2014 - 2018
    Johnson & Johnson
    • Led technical aspects of an Agile development team within the regional development center.
    • Delivered a dozen web applications, between digital marketing and internal web apps, as a developer and technical leader.
    • Mentored junior developers and tracked team metrics.
    • Contributed to technical talent acquisition and structuring new teams within the development center.
    • Connected local teams to development centers in Europe and the US.
    • Reviewed the architecture of digital applications developed by build partners in LATAM.
    Technologies: Amazon Web Services (AWS), .NET, PhoneGap, Docker, SonarQube, Jenkins, Git, Drupal, MySQL, Angular, Symfony, JavaScript, PHP, SQL, CSS3, REST, Full-stack
  • Co-founder, Lead Developer

    2011 - 2017
    • Founded a startup with a classmate from college to provide the first online food ordering service in the region.
    • Led architecture, developed, and maintained the main service, built from scratch.
    • Created a distributed system for sending orders to associated merchants.
    • Set up a cloud-based environment with partially automated deployments.
    • Designed UI/UX based on earlier experiences and usability research.
    Technologies: Amazon Web Services (AWS), Google Analytics, Beanstalk, Git, MongoDB, CSS, JavaScript, MySQL, Yii, PHP, SQL, CSS3, REST, Full-stack
  • Software Developer

    2012 - 2014
    BookFresh (via Toptal)
    • Worked remotely as part of the development team building the world's most used online appointment booking platform.
    • Integrated the booking tool with platforms like Wix, WordPress, AppDirect, and 1&1.
    • Refactored the legacy application data layer to improve reliability and reusability.
    Technologies: GitHub, Puppet, Subversion (SVN), Git, Ruby on Rails (RoR), CodeIgniter, JavaScript, MySQL, PHP, SQL, CSS3, REST, Full-stack
  • Software Developer

    2012 - 2013
    DeMaria Informática
    • Contributed to the two major products of the company, a web and a desktop application, using PHP and .NET respectively.
    • Created a couple of smaller services/PoCs to validate new ideas or to meet specific requirements.
    • Introduced basic tools and techniques to the development team, such as Kanban, code versioning, and automated deployments.
    • Implemented analytics software and enhanced SEO of legacy applications.
    Technologies: CSS, JavaScript, PostgreSQL, .NET, C#, PHP, SQL, CSS3, Full-stack
  • Intern Software Developer

    2010 - 2012
    DeMaria Informática
    • Refactored a web application for online notary certificate requests.
    • Optimized a website for search engines (SEO) and migrated a large volume of data.
    Technologies: CSS, JavaScript, PostgreSQL, PHP, SQL, CSS3, Full-stack
  • Software Developer

    2009 - 2010
    Avalial Finanças e Sistemas
    • Planned and developed a web ERP targeted to small and medium-sized enterprises.
    • Structured and developed a small distributed system for aggregating data from multiple branches into a main datastore.
    Technologies: Cloud Computing, CSS, MySQL, Java, JavaScript, CodeIgniter, PHP, SQL, CSS3, Full-stack
  • Application Packager, Certifier

    2008 - 2009
    OnSet ICT Services and Consulting
    • Created automatic application installers using WPS, AutoIt, and VBS.
    • As certifier, reviewed and approved packages created by ~80 other team members.
    Technologies: VBScript, AutoIt, Wise Installer
  • Intern Software Developer

    2007 - 2008
    Vip Solution Informatica
    • Developed a web application to manage educational data from public schools.
    Technologies: CSS, JavaScript, MySQL, PHP, SQL, CSS3, Full-stack


  • ValeRestaurantes

    An online food ordering service used by several thousand unique users to place food delivery orders directly to restaurants in their area. The business was eventually incubated and made $1.5 million in gross sales.


  • Languages

    JavaScript, PHP, HTML5, HTML, SQL, CSS3, CSS, AutoIt, VBScript, Java, C#
  • Libraries/APIs

    jQuery, Node.js, Vue, React, Socket.IO
  • Platforms

    Amazon Web Services (AWS), Blockchain, Docker, Drupal, MacOS, Linux, Unix, Visual Studio Code
  • Storage

    MySQL, PostgreSQL, MongoDB
  • Other

    Full-stack, APIs, Web Development, Web App Development, API Integration, Cloud Computing, Serverless
  • Frameworks

    Symfony, AngularJS, Yii, CodeIgniter, Serverless Framework, Angular, PhoneGap, Ruby on Rails (RoR), .NET, Express.js, Laravel
  • Tools

    SonarQube, Jenkins, Git, Terraform, Wise Installer, Beanstalk, Google Analytics, PhpStorm, Subversion (SVN), Puppet, GitHub, GitLab CI/CD
  • Paradigms

    Object-oriented Programming (OOP), Functional Programming, REST


  • Bachelor Degree in Computer Science
    2007 - 2011
    Federal University of São Paulo - São Paulo, Brazil

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