Angel Lacret, Developer in Miami, FL, United States
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Angel Lacret

Verified Expert  in Engineering

Software Development Developer

Miami, FL, United States
Toptal Member Since
April 14, 2016

Angel specializes in software product development with non-technical entrepreneurs and industry experts, transforming ideas into web and mobile platforms. Since 2002, he's been focused on using the Agile methodology to increase the development speed of new software products. Angel currently uses Solidity, React, React Native, Node.js, 8base, AWS, Low-code, and GraphQL APIs on monolithic or microservices approaches for the healthcare, logistics, retail, transportation, and production sectors.


Cobuild Lab
MongoDB, Python, Django, Express.js, React, React Native, JavaScript
4Geeks Academy
MongoDB, Python, Django, React, JavaScript
Express.js, Angular, React Native, React, JavaScript, Django, Python




Preferred Environment

Python, JavaScript, Amazon Web Services (AWS), Node.js, Healthcare IT, Logistics, Transportation & Shipping, React, React Native, Solidity

The most amazing...

...thing I've done was to take an idea and transform it into a fully profitable business.

Work Experience

Technical Product Owner | Software Developer

2018 - PRESENT
Cobuild Lab
  • Led the product development, transforming value proposition into software features.
  • Created the system architecture based on the product requirements.
  • Reviewed the code of my peers for quality assurance, support, and education.
  • Worked on full-stack web and mobile development across the full architecture of the software.
Technologies: MongoDB, Python, Django, Express.js, React, React Native, JavaScript


2018 - 2019
4Geeks Academy
  • Mentored new coders in various full-stack technologies.
  • Developed code academy libraries.
  • Held and taught workshops.
Technologies: MongoDB, Python, Django, React, JavaScript

Software Developer

2012 - 2018
  • Designed a variety of system architecture.
  • Created SOA compliant designs.
  • Developed REST services.
  • Created complex systems.
  • Developed microservices.
Technologies: Express.js, Angular, React Native, React, JavaScript, Django, Python

Freelance Ionic 2 Beta 11 (TypeScript) Developer

2016 - 2016
Sinemia (via Toptal)
  • Built a social network in Ionic 2.
  • Fixed bugs and updated various features.
Technologies: TypeScript, Angular, Ionic 2


2014 - 2015
4Geesk MCBO
  • Developed REST services.
  • Worked with Django REST frameworks.
  • Developed the front end with Angular.
  • Developed a complex query design.
  • Optimized website designs.
Technologies: REST, Django, Python

Scrum Master

2014 - 2015
  • Worked with a scrum framework.
  • Led and managed the project in a scrum master role.
  • Oversaw the project as a product owner.
  • Coordinated the project and the process.
Technologies: Scrum


2011 - 2015
  • Built several web applications.
  • Contributed to Django and SQL query development.
  • Developed the front end with AngularJS.
  • Developed the back end with REST.
Technologies: AngularJS, Java EE, GWT, PHP, Java, JavaScript, Django, Python

Freelance Developer

2007 - 2015
Freelance Work
  • Worked on several projects.
  • Created Play framework for startups.
  • Worked with Ext JS and GWT.
  • Scripted with PHP and Python.
Technologies: Swing, Java EE, Play Framework, jQuery, Python, PHP

Development Leader

2013 - 2014
Hocs Consulting
  • Created a GWT front end with SmartGWT.
  • Developed a Java EE back end with microservices architecture.
  • Developed a JavaScript framework for building applications.
  • Worked with PostgreSQL and with JasperReports.
Technologies: JasperReports, PostgreSQL, jQuery, Smart GWT, Java EE, GWT

Development Leader

2010 - 2012
Fundacion Petrociencia
  • Worked with the oil industries.
  • Worked with a GWT front end.
  • Created a Java EE back end.
  • Worked with JasperReports.
  • Integrated SAP.
Technologies: GXT, GWT, Java EE


2009 - 2010
  • Worked with an Ext JS framework.
  • Created a PHP back-end.
  • Worked with Joomla.
  • Created PDF reports.
  • Worked with civil engineer industries.
Technologies: Joomla, PostgreSQL, PHP, JavaScript


2008 - 2009
PSET de Venezuela
  • Worked with oil industries.
  • Performed HTML markup.
  • Designed web applications.
  • Built a PHP back end.
  • Developed JavaScript animations.
Technologies: JavaScript, HTML, PHP


2008 - 2009
  • Designed websites.
  • Worked with HTML and JavaScript.
  • Developed JavaScript animations.
  • Worked with a PHP back end.
  • Performed CSS markup.
Technologies: JavaScript, HTML, PHP


2008 - 2008
APV Promeica
  • Performed HTML and CSS markup.
  • Designed web application architecture.
  • Worked with a PHP back end.
  • Worked with Oracle and PostgreSQL databases.
  • Created a query design and performed optimizations.
Technologies: CSS, JavaScript, HTML, PHP


2007 - 2008
Cooperativa VEP
  • Created web applications with HTML, jQuery, and PHP.
  • Consulted on PostgreSQL and Oracle databases.
  • Worked with oil industries.
  • Created PDF reports.
  • Integrated SAP.
Technologies: HTML, jQuery, PHP


This is a hospital management system.


A swiper app for the cannabis community in Santiago built with React Native. It has photo uploads, a React-based navigation system, geopositioning, push notifications, a REST API integration, WebSockets for the front-end, and Django and Tornado for the back-end


A work solicitation platform built with React Native. It has React-based navigation, push notifications, and a REST API integration for the front-end.


Python, JavaScript, TypeScript, SQL, PHP, HTML, CSS, Java, Solidity


React Native, Django REST Framework, Django, AngularJS, Express.js, GWT, Play Framework, Swing, Angular, Ionic 2


React, jQuery, Smart GWT, JasperReports, Node.js


Git, Jenkins, GitHub, JetBrains, GXT


Agile Product Management, Test-driven Development (TDD), Scrum, Functional Programming, REST


Amazon Web Services (AWS), Linux, Buddy, Joomla, Java EE, iOS, Android


PostgreSQL, MySQL, MongoDB, Microsoft SQL Server


Full-stack, Product Development, Product Management, Technical Product Management, Technical Project Management, Optimization Algorithms, Software Development, Gunicorn, Healthcare IT, Logistics, Transportation & Shipping, Utility Tokens

2010 - 2016

Master's of Science Degree in Computer Science

La Universidad del Zulia (LUZ) - Maracaibo, Venezuela

2003 - 2007

Engineer Degree in Computer Science

Universidad Rafael Belloso Chacín, URBE - Maracaibo, Venezuela