Adan Joaquín Zweig
Verified Expert in Engineering
Software Developer
Buenos Aires, Argentina
Toptal member since July 24, 2014
Adan has been writing code since he was eight. He is a full-stack engineer and a master of PHP and JavaScript. 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
Experience
- PHP - 12 years
- MySQL - 10 years
- Git - 6 years
- Laravel - 6 years
- Zend Framework - 3 years
- React - 2 years
- Node.js - 2 years
- MongoDB - 2 years
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
CTO
Volt Home
- Grew the team from 0 to 70+, allowing 99% SLA on tickets and tech debt.
- Managed a 30+ million SaaS contract, decreasing it by 70% via automations and my own code.
- Prototyped, managed, and oversaw a new vertical that now runs alongside the company, bringing 100,000 MRR.
Full-stack Developer
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.
Senior Software Engineer
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.
CTO
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.
Senior Architect
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.
CTO
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.
IT Manager
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.
Senior Developer
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.
CTO | Co-founder
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.
Semi-senior Developer
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).
Junior Developer
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.
Experience
Smart Meter Reading Software
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/snakeAIBabycenter
https://community.babycenter.comTwimFilms
Daggle
The MVP is built on Laravel platform and contains QR code readers and three payment processing gateways (PayPal, PayTabs, and Checkout).
Enviozapp
I made the API connections to many eCommerce sites, using Magento, WooComerce, and Vtex.
Descuentocity
Descuentocity is a daily deal aggregator site that works in all of Latin America (LatAm).
Facebook Contest Application
Reshyt
Pccounter
My Own MVC Framework
https://github.com/adanjz1/Transition-MVCMorsum
Jdrive
Chat with React
Education
Entrepreneur Degree in Entrepreneurship
Draper University - San Mateo
Engineering Degree in Computer Engineering
Universidad de Palermo - Buenos Aires, Argentina
BS Degree in Computer Science
ORT Argentina - Buenos Aires
Skills
Libraries/APIs
Shopify API, jQuery UI, jQuery, Facebook API, X (formerly Twitter) API, jQuery Mobile, Node.js, REST APIs, API Development, BigCommerce API, Google AdSense, WooCommerce API, Google Maps, React, Mailchimp API, Instagram API, ImageMagick, TensorFlow, Leaflet, Plaid API, OpenStreetMap API, Vue, React Redux, TensorFlow Deep Learning Library (TFLearn), OpenAI API
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 (SNS), Deployer, Auth0, CAKE, Fireworks, PhpStorm, Apache, WebStorm, NPM, Canvas, Amazon Lex, BigQuery, Wix, Jenkins, Cloud Scheduler, PM2
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, Flutter, Angular, React Native, Ionic, Redux
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, Ubuntu 16.04, Apache2, Linux, WooCommerce, BigCommerce, Magento API, Magento, Google Ads, Raspberry Pi, Windows Server, Oracle, Google Cloud Platform (GCP), Amazon Alexa, AWS Elastic Beanstalk, AWS Lambda, Docker, Joomla, OpenERP, Heroku, Cloud Run
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, Optical Character Recognition (OCR), APIs, API Applications, Architecture, Payment APIs, Amazon Route 53, RESTful Web Services, Web Services, Relational Database Services (RDS), CTO, Engineering, Technical Leadership, System Architecture, Full-stack Development, Low Code, API Integration, Customer Relationship Management (CRM), Full-stack, Technical Architecture, Back-end, Back-end Development, Lambda Functions, Augmented Reality (AR), Airtable, Card Payments, Payment Gateways, Payment Networks, Payment Security, Artificial Intelligence (AI), Chatbots, Search Engine Development, Cloudflare, Squarespace, Content Management Systems (CMS), GCP DevOps, Multitenancy, Generative Artificial Intelligence (GenAI), Gemini API
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