Angel is available for hire
Hire AngelAngel Lacret
Verified Expert in Engineering
Node.js Developer
Miami, FL, United States
Toptal member since April 14, 2016
Bio
Angel is a distinguished software solutions architect and product manager known for his expertise and innovative contributions to the fields of IT architecture and infrastructure, AI, cloud, and web development. With over 18 years of experience, has been instrumental in developing cutting-edge cloud, web, and mobile applications using AWS, React, Node.js, GraphQL APIs, TypeScript, and Python. Angel has focused on using Agile methodologies to increase the development speed of software products.
Portfolio
Insightt Inc
TypeScript, Node.js, React, React Native, Amazon Web Services (AWS), Firebase...
Cobuild Lab
MongoDB, Python, Django, Express.js, React, React Native, JavaScript...
4Geeks Academy
MongoDB, Python, Django, React, JavaScript, Healthcare IT, Node.js...
Experience
- Node.js - 15 years
- Amazon Web Services (AWS) - 10 years
- AWS Cloud Architecture - 10 years
- AWS DevOps - 10 years
- Python - 8 years
- React - 5 years
- React Native - 5 years
- Django - 5 years
Preferred Environment
Python, JavaScript, Amazon Web Services (AWS), Node.js, Transportation & Shipping, React, React Native, Solidity, Solution Architecture, TypeScript
The most amazing...
...thing I've done was to take an idea and transform it into a fully profitable business.
Work Experience
Staff Engineer
2021 - PRESENT
Insightt Inc
- Built integration features between the different components in TypeScript and Python with technologies like React, Node.js, Express, Sequelize, Jest, Prisma, GraphQL, FastAPI, Postgres, MySQL, and PostGIS.
- Researched, tested, budgeted, troubleshooted, and implemented IT Infrastructure solutions in AWS and Google Cloud.
- Researched and implemented architectural patterns using AWS.
- Drafted, coordinated, and approved IT conventions for coding and IT architecture.
Technologies: TypeScript, Node.js, React, React Native, Amazon Web Services (AWS), Firebase, AWS IAM, GitHub Actions, SMS, Twilio, Twilio API, Web Development, Websites, SaaS Design, System Architecture, Full-stack Development, Leadership, Artificial Intelligence (AI), AI Architecture, Claude, Machine Learning, Python 3, AI Testing, AI Governance, Multi-agent Systems, OOP Designs, Object-oriented Design (OOD), Pytest, OpenAI, Software Architecture, Software Documentation, Testing, API Integration, Package Design, Fractional CTO, Fintech, Multi-tenant Architecture, Multi-tenant SaaS, SaaS, Startups
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, Healthcare IT, Node.js, AWS Cloud Architecture, GIS, Next.js, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Database Architecture, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Amazon Cognito, Algorithms, Socket.IO, CTO, Data Architecture, Data Engineering, Full-stack, FastAPI, Flask, Stripe, Single Sign-on (SSO), Hosting, Linux, AWS DevOps, Amazon EC2, Amazon Lightsail, Basic SSH, Docker, Docker Compose, Let's Encrypt, NGINX, Supabase, Solution Architecture, Firebase, AWS IAM, GitHub Actions, SMS, Twilio API, Web Development, Websites, SaaS Design, System Architecture, Full-stack Development, Leadership, Python 3, AI Testing, AI Governance, Multi-agent Systems, OOP Designs, Object-oriented Design (OOD), Pytest, OpenAI, Software Architecture, Software Documentation, Testing, API Integration, Package Design, Fractional CTO, Fintech, Multi-tenant Architecture, Multi-tenant SaaS, SaaS, Startups
Mentor
2018 - 2019
4Geeks Academy
- Mentored new coders in various full-stack technologies.
- Developed libraries for mentors, students, and other participants in the Academy program.
- Prepared, held, and taught workshops, based on current technology trends,.
Technologies: MongoDB, Python, Django, React, JavaScript, Healthcare IT, Node.js, AWS Cloud Architecture, Next.js, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Database Architecture, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Amazon Cognito, Algorithms, Socket.IO, CTO, Data Architecture, Data Engineering, Full-stack, FastAPI, Flask, Stripe, Single Sign-on (SSO), Hosting, Linux, AWS DevOps, Amazon EC2, Amazon Lightsail, Basic SSH, Docker, Docker Compose, Let's Encrypt, NGINX, Supabase, Solution Architecture, Firebase, AWS IAM, GitHub Actions, SMS, Twilio, Twilio API, Web Development, Websites, SaaS Design, System Architecture, Full-stack Development, Leadership, Python 3, OOP Designs, Object-oriented Design (OOD), Pytest, Software Architecture, Software Documentation, Testing, API Integration, Package Design, Fractional CTO, Startups
Software Developer
2012 - 2018
4Geeks
- 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, Healthcare IT, Node.js, AWS Cloud Architecture, Next.js, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Database Architecture, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Jenkins, Amazon Cognito, Algorithms, Socket.IO, CTO, Data Architecture, Data Engineering, Full-stack, FastAPI, Flask, Stripe, Single Sign-on (SSO), Hosting, Linux, AWS DevOps, Amazon EC2, Amazon Lightsail, Basic SSH, Docker, Docker Compose, Let's Encrypt, NGINX, Solution Architecture, Firebase, AWS IAM, SMS, Twilio, Twilio API, Web Development, Websites, SaaS Design, System Architecture, Full-stack Development, Leadership, Python 3, OOP Designs, Object-oriented Design (OOD), Pytest, Software Architecture, Software Documentation, Testing, API Integration, Package Design, Fractional CTO, Startups
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, Healthcare IT, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Database Architecture, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Amazon Cognito, Algorithms, Socket.IO, CTO, Data Architecture, Data Engineering, Full-stack, FastAPI, Stripe, Single Sign-on (SSO), Hosting, Linux, AWS DevOps, Amazon EC2, Amazon Lightsail, Basic SSH, Docker, Docker Compose, Let's Encrypt, NGINX, Solution Architecture, Websites, Full-stack Development, OOP Designs, Object-oriented Design (OOD), Pytest, Testing, API Integration, Package Design
Developer
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, React Native, React, Healthcare IT, Node.js, AWS Cloud Architecture, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Database Architecture, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Amazon Cognito, Algorithms, Socket.IO, CTO, Data Architecture, Data Engineering, Full-stack, FastAPI, Stripe, Hosting, Linux, AWS DevOps, Amazon EC2, Amazon Lightsail, Basic SSH, Docker, Docker Compose, Let's Encrypt, Solution Architecture, Websites, OOP Designs, Object-oriented Design (OOD), Pytest, Testing, Package Design
Scrum Master
2014 - 2015
4Geeks
- 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, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Database Architecture, Technical Leadership, Cloud, Data Structures, Back-end, Algorithms, CTO, Full-stack, FastAPI, Stripe, Hosting, Linux, AWS DevOps, Amazon Lightsail, Let's Encrypt, Solution Architecture, Websites, OOP Designs, Object-oriented Design (OOD), Testing, API Integration, Package Design
Developer
2011 - 2015
4Geeks
- 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 (Jakarta EE), GWT, PHP, Java, JavaScript, Django, Python, React Native, React, Healthcare IT, Node.js, AWS Cloud Architecture, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Database Architecture, Technical Leadership, Cloud, Data Structures, Back-end, Algorithms, CTO, Full-stack, FastAPI, Stripe, Hosting, Linux, AWS DevOps, Websites, OOP Designs, Object-oriented Design (OOD), Testing, API Integration, Package Design
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 (Jakarta EE), jQuery, Python, PHP, React, Healthcare IT, Node.js, AWS Cloud Architecture, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Database Architecture, Technical Leadership, Data Structures, Back-end, Algorithms, CTO, Full-stack, Stripe, Hosting, Linux, Websites, OOP Designs, Object-oriented Design (OOD), Testing, API Integration, Package Design
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 (Jakarta EE), GWT, Agile Software Development, APIs, Architecture, CI/CD Pipelines, Database Architecture, Data Structures, Back-end, Algorithms, Full-stack, Hosting, Linux, Websites, OOP Designs, Object-oriented Design (OOD), API Integration, Package Design
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 (Jakarta EE), Agile Software Development, APIs, Architecture, CI/CD Pipelines, Data Structures, Back-end, Algorithms, Full-stack, Linux, Websites, OOP Designs
Developer
2009 - 2010
Proinci
- 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, Agile Software Development, APIs, Data Structures, Back-end, Algorithms, Full-stack, Linux, Websites
Developer
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, Data Structures, Algorithms, Full-stack, Linux, Websites
Developer
2008 - 2009
CabIWebDesign
- Designed websites.
- Worked with HTML and JavaScript.
- Developed JavaScript animations.
- Worked with a PHP back end.
- Performed CSS markup.
Technologies: JavaScript, HTML, PHP, Data Structures, Algorithms, Full-stack, Linux, Websites
Developer
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, Data Structures, Algorithms, Full-stack, Linux, Websites
Developer
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, Algorithms, Full-stack, Linux, Websites
Experience
GHA
This is a hospital management system.
Weedmatch
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
Jobcore
A work solicitation platform built with React Native. It has React-based navigation, push notifications, and a REST API integration for the front-end.
Education
2010 - 2016
Master's of Science Degree in Computer Science
La Universidad del Zulia (LUZ) - Maracaibo, Venezuela
2009 - 2010
Certificate in IT Business Development
Miami Dade Collegue - Miami, FL
2003 - 2007
Engineer Degree in Computer Science
Universidad Rafael Belloso Chacín, URBE - Maracaibo, Venezuela
Certifications
JANUARY 2024 - PRESENT
AWS Certified Solutions Architect
Amazon Web Services
Skills
Libraries/APIs
React, Node.js, Stripe, Socket.IO, Twilio API, jQuery, Smart GWT, JasperReports
Tools
Git, Let's Encrypt, NGINX, AWS IAM, Pytest, Jenkins, GitHub, GIS, Amazon Cognito, Docker Compose, GXT, Claude
Languages
TypeScript, Python, JavaScript, Python 3, SQL, PHP, HTML, CSS, Java, Solidity
Frameworks
React Native, Django REST Framework, Django, AngularJS, Next.js, Express.js, Flask, GWT, Swing, Angular, Ionic 2
Paradigms
Agile Product Management, Test-driven Development (TDD), Scrum, Agile Software Development, Hosting, Object-oriented Design (OOD), Testing, Functional Programming, REST, Web Architecture
Platforms
Amazon Web Services (AWS), Linux, Amazon EC2, Amazon Lightsail, Buddy, Docker, Firebase, Twilio, Joomla, Java EE (Jakarta EE), iOS, Android
Storage
PostgreSQL, Database Architecture, MySQL, MongoDB, Microsoft SQL Server
Other
Full-stack, Product Development, Product Management, Technical Product Management, Technical Project Management, Optimization Algorithms, Cloud Architecture, AWS Cloud Architecture, AWS DevOps, APIs, Architecture, CI/CD Pipelines, Cloud Infrastructure, Technical Leadership, Cloud, Data Structures, Mobile App Development, Back-end, Algorithms, CTO, Data Architecture, Data Engineering, FastAPI, Single Sign-on (SSO), Basic SSH, Solution Architecture, GitHub Actions, SMS, Web Development, Websites, SaaS Design, System Architecture, Full-stack Development, Leadership, OOP Designs, Software Architecture, Software Documentation, API Integration, Package Design, Fractional CTO, Fintech, Multi-tenant Architecture, Multi-tenant SaaS, SaaS, Startups, JetBrains IDE, Artificial Intelligence (AI), Gunicorn, Healthcare IT, Logistics, Transportation & Shipping, Utility Tokens, Machine Learning Operations (MLOps), Supabase, AI Architecture, Machine Learning, AI Testing, AI Governance, Multi-agent Systems, OpenAI
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