Adan Joaquín Zweig, Software Developer in Buenos Aires, Argentina
Adan Joaquín Zweig

Software Developer in Buenos Aires, Argentina

Member since May 29, 2014
Adan has been writing code since he was eight years old. He is a PHP master and excels with front-end technologies like JavaScript, HTML, and CSS. Adan loves working with APIs, scaling products, and AWS. He's a dedicated worker, a capable programmer, and a great person to work with.
Adan is now available for hire


  • Enviozapp
    Amazon Web Services (AWS), Web Services, AWS Route 53, AWS, Android SDK...
  • Morsum
    Web Services, Memcached, MySQL, Laravel, PHP
  • Online Freelance Agency
    Amazon Web Services (AWS), Web Services, RESTful Web Services, AWS, MongoDB...



Buenos Aires, Argentina



Preferred Environment

NPM, WebStorm, Apache, PhpStorm, MacOS

The most amazing...

...thing I've ever created is a web service API for an Android application that gets more than a million hits per day.


  • CTO

    2016 - 2019
    • Developed the entire back end in PHP and Laravel 5.6.
    • Developed the front end and Android native app.
    • Hired and managed the development team of 10 senior devs.
    • Attended and organized the meetings with clients and investors.
    • Gave support to the team as a remote consultant.
    Technologies: Amazon Web Services (AWS), Web Services, AWS Route 53, AWS, Android SDK, OpenStreetMap API, OCR, MySQL, Laravel, PHP
  • Senior Architect

    2016 - 2017
    • Built a central API to connect the different sites.
    • Developed the entire performance system with Memcached.
    • Created the complete API authentication system.
    Technologies: Web Services, Memcached, MySQL, Laravel, PHP
  • PHP Developer

    2014 - 2016
    Online Freelance Agency
    • Worked with the Fox company to relaunch their new website.
    • Created a Hulu API client to replace old HTML5 video tags from the website.
    Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, AWS, MongoDB, Git, MySQL, PHP
  • CTO

    2013 - 2014
    • Created an Android application based on showing content and ads in the lock screen.
    • Created a PHP API supporting more than 1.5 million requests per day.
    • Hired and managed three developers.
    • Created a business model canvas.
    Technologies: Amazon Web Services (AWS), Web Services, AWS, RESTful Web Services, MongoDB, Android, PHP
  • IT Manager

    2012 - 2013
    • Hired nine members of the team (developers, server managers, and QA).
    • Managed the whole IT team.
    • Designed and created the entire company network.
    • Planned every client project and created the team for each, including myself.
    • Created a mobile Android/iOS game in Lua called eyedoll.
    Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, jQuery, MySQL, Android, Lua, Git, PHP, AWS, Windows Server
  • Senior Developer

    2011 - 2012
    The Fan Machine
    • Developed the main modules for the web app.
    • Helped design the structure of classes.
    • Converted several QA tests into partner codes.
    • Managed the beta server.
    • Supervised and approved the pushes to beta.
    Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, Twitter API, Facebook API, Git, AWS, MySQL, PHP
  • CTO, Co-founder

    2010 - 2011
    • Made a web crawler to find deals from daily deal sites.
    • Hired all personnel, including developers and people for human resources and public relations.
    • Managed the development team.
    • Managed a Cloud Linux server.
    • Developed APIs for new clients.
    Technologies: Amazon Web Services (AWS), Web Services, AWS, RESTful Web Services, Subversion (SVN), MySQL, PHP
  • Senior Developer

    2010 - 2010
    • Created a helpdesk for all company computers (more than 200).
    • Configured the Windows server and LAN network.
    • Developed a web app using ASP to control the cemetery.
    • Developed APIs for the company's website.
    • Managed a team of two developers.
    Technologies: Web Services, RESTful Web Services, Windows Server, MySQL, Oracle, PHP, Microsoft SQL Server, Visual Basic, ASP
  • Junior Developer

    2008 - 2009
    • Created Flash websites for clients.
    • Developed dynamic websites with ABMs for clients.
    • Created several Joomla! packages.
    • Developed a jQuery library for zooming in on images.
    • Created a jQuery carousel.
    Technologies: Web Services, RESTful Web Services, MySQL, Flash, Fireworks, Adobe Photoshop, CAKE, Joomla, jQuery, Subversion (SVN), PHP


  • Smart Meter Reading Software (Development)

    Developed a mobile task manager for a utility services company that reads, fixes and gives support to utility companies (gas, electric, water). My software is now running and is about to pass 9 million operations made by the software in a year.

    After I developed the entire platform, I built a team to manage it and currently own 2% of the business.

    The platform is propietary, so I cannot share the link, but I made a public stats page developed in React and Node to follow its success.

  • Snake Game with Machine Learning (Other amazing things)

    I developed a snake game with TensorFlow to get the best movement path and win the game alone.

  • Babycenter (Development)

    I worked as a senior software engineer at the BabyCenter Forum (Former J&J company, now J2 Health Group).

  • TwimFilms (Development)

    Created a website to stream movies and series.

  • Daggle (Development)

    Developed an MVP from scratch to market. After two redesigns and lots of pivots, now they managed to land their first paying customers.

    The MVP is built on Laravel platform and contains QR code readers and three payment processing gateways (PayPal, PayTabs, and Checkout).

  • Enviozapp (Development)

    An on-demand delivery system. I created the web back end in Laravel, Android client, and server apps, and iOS client and server apps.

    I made the API connections to many eCommerce sites, using Magento, WooComerce, and Vtex.

  • Descuentocity (Development)

    I created the entire site, managed the team, and developed the business model.

  • Facebook Contest Application (Development)

    I worked with the team to make the biggest LATAM application platform for a contest.

  • Reshyt (Development)

    Developed a WordPress site for a real estate company dedicated on the construction stage.

  • Pccounter (Development)

    I created the website and managed the Amazon Cloud Server, Crawled over spam emails and complex websites to get every single deal.

  • My Own MVC Framework (Other amazing things)

    An MVC framework I made in just 24 hours.

  • Morsum (Development)

    I made all the APIs using Laravel 5.

  • Jdrive (Development)

    CRUD for adding ONG's donations. I did everything using Zend Framework 2 and Doctrine2.

  • Chat with React (Other amazing things)

    I made my own "Slack" chat with Sockets and React

  • Toptal Mentor
    Adan is a mentor in the Toptal Global Mentor’s Program. This program is a partnership between Toptal and General Assembly to provide high quality mentorship for students from minority and low income backgrounds who are looking to begin their careers as professional software engineers. Adan shows commitment to diversity in tech by mentoring a General Assembly student every week for a year, covering everything from coding tips and tricks to advice on making it in the industry.


  • Languages

    JavaScript, PHP, SQL, CSS, HTML, HTML5, PHP 7, PHP 5, PHP 5+, PHP 3, C#, Lua, Visual Basic, Python
  • Frameworks

    Zend Framework, Laravel, Bootstrap, CodeIgniter, Symfony, Yii, CakePHP, Android SDK, Corona SDK, JSON Web Tokens (JWT), ASP, Angular, React Native, Ionic, Redux
  • Libraries/APIs

    Shopify API, jQuery UI, jQuery, Facebook API, Twitter API, jQuery Mobile, Node.js, BigCommerce API, Google AdSense, WooCommerce API, Google AdWords, Google Maps, React, Instagram API, Imagick, TensorFlow, LeafletJS, OpenStreetMap API, Vue.js, React Redux, TensorFlow Deep Learning Library (TFLearn)
  • Tools

    Google Analytics, GitHub, TortoiseSVN, Git, Adobe Illustrator, Mailchimp, Subversion (SVN), Adobe Photoshop, Flash, Open Street Maps, Bitbucket, Actions on Google, Google Assistant, Dialogflow, Nginx, Android Studio, Mercurial, Jira, GitLab CI/CD, GitLab, AWS SDK, Beanstalk, Amazon SQS, AWS Push Notification Service (AWS SNS), Deployer, CAKE, Fireworks, PhpStorm, Apache, WebStorm, NPM, Canvas, Amazon Lex
  • Paradigms

    RESTful Development, eCommerce Web Design, Scrum, Concurrent Programming, Agile, REST, Web Architecture, Agile Software Development, Microservices, Requirements Analysis
  • Platforms

    Shopify, MacOS, LAMP, Windows, Amazon Web Services (AWS), XAMPP, Apache Server, Ubuntu, Android, Red Hat Linux, Blockchain, AWS EC2, Ubuntu16.04, Apache2, WooCommerce, BigCommerce, Magento API, Magento, Raspberry Pi, Windows Server, Oracle, Google Cloud Platform (GCP), Amazon Alexa, AWS Elastic Beanstalk, AWS Lambda, Docker, Joomla, OpenERP
  • Industry Expertise

    eCommerce, Project Management
  • Storage

    MySQL, AWS S3, Relational Databases, MongoDB, PostgreSQL, NoSQL, Memcached, Oracle PL/SQL, Microsoft SQL Server, Elasticsearch
  • Other

    On-demand, Lean Startups, Technical Project Management, OCR, APIs, API Applications, AWS, Architecture, Payment APIs, AWS Route 53, Amazon Route 53, RESTful APIs, RESTful Web Services, Web Services, Relational Database Services (RDS), CTO, Engineering, Technical Leadership, System Architecture, Lambda Functions, Mailchimp APIs, Augmented Reality (AR), Airtable, Card Payments, Payment Gateways, Payment Networks, Payment Security, Bash Scripting, Artificial Intelligence (AI), Chatbots, Search Engine Development


  • Entrepreneur degree in Entrepreneurship
    2015 - 2015
    Draper University - San Mateo
  • Engineering degree in Computer Engineering
    2007 - 2015
    Universidad de Palermo - Buenos Aires, Argentina
  • BS degree in Computer Science
    2002 - 2007
    ORT Argentina - Buenos Aires

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