Adan Joaquín Zweig, Developer in Buenos Aires, Argentina
Adan is available for hire
Hire Adan

Adan Joaquín Zweig

Verified Expert  in Engineering

Software Developer

Location
Buenos Aires, Argentina
Toptal Member Since
July 24, 2014

Adan has been writing code since he was eight years old. He is a full-stack engineer, PHP and JavaScript master. Adan loves working with APIs, scaling products, and Cloud web services. He's a dedicated worker, a capable programmer, and a great person to work with.

Portfolio

Love For Our Elders
JavaScript, APIs, Squarespace, Mailchimp, Wix, Content Management Systems (CMS)...
TRM Labs
Amazon Web Services (AWS), Web Services, RESTful Web Services, MongoDB, Git...
Enviozapp
Amazon Web Services (AWS), Web Services, Amazon Route 53, Android SDK...

Experience

Availability

Part-time

Preferred Environment

NPM, WebStorm, Apache, MacOS, Full-stack Development, Node.js

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.

Work Experience

Full-stack Developer

2023 - 2023
Love For Our Elders
  • Developed a custom app on Squarespace for inserting data and sending confirmation emails.
  • Worked with content validator and image validator to remove NSFT content.
  • Created a custom back end and dashboard using Retool.
Technologies: JavaScript, APIs, Squarespace, Mailchimp, Wix, Content Management Systems (CMS), Retool, Low Code

Senior Software Engineer

2021 - 2023
TRM Labs
  • Developed an app to increase data consumption velocity by ten times.
  • Created an app to manage external resources making our data ten times more reliable and two times faster.
  • Developed an app to automatically tag crypto transactions using Datamodels. (AI).
  • Transformed the internal tooling team from zero to five people under my supervision.
  • Built and maintained tools that allowed the company to grow from ten to 120 researchers without losing data reliability.
Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, MongoDB, Git, MySQL, PHP, SQL, Node.js, PostgreSQL, REST, Heroku, BigQuery, Blockchain, Retool, TypeScript, PostgreSQL 10, Agile, Scrum, Artificial Intelligence (AI), JavaScript, Relational Databases, CSS, LAMP, HTML5, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Low Code, Linux

CTO

2016 - 2020
Enviozapp
  • Developed the entire back end in PHP and Laravel 5.6.
  • Developed the front end and Android native app, managed the scrum meetings, and planned the entire tool.
  • Hired and managed the development team of 15 senior devs.
  • Attended and organized meetings with clients and investors.
  • Gave support to the team as a remote consultant, helping support every single employee and mentoring.
Technologies: Amazon Web Services (AWS), Web Services, Amazon Route 53, Android SDK, OpenStreetMap API, OCR, MySQL, Laravel, PHP, SQL, Node.js, PostgreSQL, REST, TypeScript, Express.js, JSON Web Tokens (JWT), Auth0, OAuth 2, JavaScript, Relational Databases, CSS, LAMP, HTML5, eCommerce Web Design, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

Senior Architect

2016 - 2017
Morsum
  • Built a central API to connect the different sites.
  • Developed the entire performance system with Memcached.
  • Created the complete API authentication system to join the other APIs.
Technologies: Web Services, Memcached, MySQL, Laravel, PHP, SQL, Node.js, PostgreSQL, REST, TypeScript, Express.js, JSON Web Tokens (JWT), Auth0, OAuth 2, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

CTO

2013 - 2014
Relock
  • Created an Android application-based on showing content and ads on the lock screen.
  • Created a PHP API supporting more than 1.5 million requests per day.
  • Hired and managed two full-stack developers and one Android developer.
  • Created a business model canvas, wrote pitch presentations.
Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, MongoDB, Android, PHP, SQL, Node.js, PostgreSQL, REST, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, eCommerce Web Design, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

IT Manager

2012 - 2013
Darriens
  • Hired nine members of the team (developers, server managers, and QA).
  • Managed the whole IT team as lead developer, scrum master, and project manager.
  • Designed and created the entire company's local network.
  • Planned every client project and created the team for each, including myself.
  • Created a mobile Android and iOS game in Lua called eyedoll.
Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, jQuery, MySQL, Android, Lua, Git, PHP, Windows Server, SQL, REST, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, Red Hat Linux, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

Senior Developer

2011 - 2012
The Fan Machine
  • Developed the main modules for the web Facebook app.
  • Helped design the structure of classes imitating Myspace.
  • Converted several QA tests into unit tests for upgrading.
  • Supervised and approved the pushes to beta, code reviewed pair developers.
Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, Twitter API, Facebook API, Git, MySQL, PHP, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, jQuery UI, Apache HTTP Server, Ubuntu, Red Hat Linux, CodeIgniter, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

CTO | Co-founder

2010 - 2011
Descuentocity
  • Built 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 and their agenda, acting as a scrum master.
  • Created the whole infrastructure using AWS and managed the on-call crisis.
  • Developed a server API for new clients to join our platform.
Technologies: Amazon Web Services (AWS), Web Services, RESTful Web Services, Subversion (SVN), MySQL, PHP, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, jQuery UI, Apache HTTP Server, Ubuntu, Red Hat Linux, CodeIgniter, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

Semi-senior Developer

2010 - 2010
AMIA
  • Created a helpdesk for all company computers (more than 200).
  • Configured the local servers with the Windows server and managed the LAN network.
  • Developed a web app using ASP to control the cemetery (the biggest section of the NGO).
Technologies: Web Services, RESTful Web Services, Windows Server, MySQL, Oracle, PHP, Microsoft SQL Server, Visual Basic, Active Server Pages (ASP), JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, jQuery UI, Apache HTTP Server, Ubuntu, Red Hat Linux, CodeIgniter, Amazon EC2, Amazon S3 (AWS S3), Full-stack Development, Linux

Junior Developer

2008 - 2009
Enclave
  • Developed Adobe Flash websites for several clients.
  • Developed dynamic websites with CRUDs for clients.
  • Created several Joomla! packages and published them in the store.
  • Developed a jQuery library for zooming in on images.
  • Created a jQuery library carousel from scratch and published it.
Technologies: Web Services, RESTful Web Services, MySQL, Flash, Fireworks, Adobe Photoshop, CAKE, Joomla, jQuery, Subversion (SVN), PHP, JavaScript, Relational Databases, CSS, LAMP, HTML5, Apache2, Google Analytics, PHP 5, jQuery UI, Apache HTTP Server, Ubuntu, Red Hat Linux, CodeIgniter, Amazon EC2, Amazon S3 (AWS S3), Linux

Smart Meter Reading Software

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

https://github.com/adanzweig/snakeAI
I developed a snake game with TensorFlow to get the best movement path and win the game alone.

Babycenter

https://community.babycenter.com
I worked as a senior software engineer at the BabyCenter Forum (Former J&J company, now J2 Health Group).

TwimFilms

Created a website to stream movies and series.

Daggle

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

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

https://www.descuentocity.com.ar/
I created the entire site from scratch. As a founding member, I managed and hired the entire team, developed the business model, and helped with fundraising.

Descuentocity is a daily deal aggregator site that works in all of Latin America (LatAm).

Facebook Contest Application

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

Reshyt

http://www.reshyt.com
Developed a WordPress site for a real estate company dedicated on the construction stage.

Pccounter

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

https://github.com/adanjz1/Transition-MVC
An MVC framework I made in just 24 hours.

Morsum

http://morsum.co
I made all the APIs using Laravel 5.

Jdrive

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

Chat with React

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

Languages

JavaScript, PHP, SQL, CSS, HTML, HTML5, PHP 7, PHP 5, PHP 3, TypeScript, C#, Lua, Bash Script, C#.NET, Active Server Pages (ASP), Visual Basic, Python

Frameworks

Zend Framework, Laravel, Bootstrap, CodeIgniter, Symfony, Yii, CakePHP, Android SDK, Corona SDK, JSON Web Tokens (JWT), Express.js, OAuth 2, .NET, Angular, React Native, Ionic, Redux

Libraries/APIs

Shopify API, jQuery UI, jQuery, Facebook API, Twitter API, jQuery Mobile, Node.js, REST APIs, BigCommerce API, Google AdSense, WooCommerce API, Google AdWords, Google Maps, React, Instagram API, ImageMagick, TensorFlow, Leaflet, OpenStreetMap API, Vue, React Redux, TensorFlow Deep Learning Library (TFLearn)

Tools

Google Analytics, GitHub, TortoiseSVN, Git, Adobe Illustrator, Mailchimp, Subversion (SVN), Apache HTTP Server, Adobe Photoshop, Flash, Bitbucket, Actions on Google, Google Assistant, Dialogflow, NGINX, Retool, Android Studio, Mercurial, Jira, GitLab CI/CD, GitLab, AWS SDK, Beanstalk, Amazon Simple Queue Service (SQS), Amazon Simple Notification Service (Amazon SNS), Deployer, Auth0, CAKE, Fireworks, PhpStorm, Apache, WebStorm, NPM, Canvas, Amazon Lex, BigQuery, Wix

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, Ubuntu, Android, Red Hat Linux, Blockchain, Amazon EC2, Apache2, Linux, WooCommerce, BigCommerce, Magento API, Magento, Raspberry Pi, Windows Server, Oracle, Google Cloud Platform (GCP), Amazon Alexa, AWS Elastic Beanstalk, AWS Lambda, Docker, Joomla, OpenERP, Heroku

Storage

MySQL, Amazon S3 (AWS S3), Relational Databases, MongoDB, PostgreSQL, NoSQL, Memcached, Oracle PL/SQL, Microsoft SQL Server, Elasticsearch, PostgreSQL 10

Industry Expertise

Project Management

Other

On-demand, eCommerce, Lean Startups, Technical Project Management, OpenStreetMap, OCR, APIs, API Applications, Architecture, Payment APIs, Amazon Route 53, Ubuntu 16.04, RESTful Web Services, Web Services, Relational Database Services (RDS), CTO, Engineering, Technical Leadership, System Architecture, Full-stack Development, Low Code, Lambda Functions, Mailchimp API, Augmented Reality (AR), Airtable, Card Payments, Payment Gateways, Payment Networks, Payment Security, Artificial Intelligence (AI), Chatbots, Search Engine Development, Squarespace, Content Management Systems (CMS)

2015 - 2015

Entrepreneur Degree in Entrepreneurship

Draper University - San Mateo

2007 - 2015

Engineering Degree in Computer Engineering

Universidad de Palermo - Buenos Aires, Argentina

2002 - 2007

BS Degree in Computer Science

ORT Argentina - Buenos Aires

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

1

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring