Publication
Meet Volt, A Promising Ruby Framework For Dynamic Applications
https://www.toptal.com/developers/ruby/meet-volt-a-promising-ruby-framework-for-dynamic-applications
Amaury is available for hire
Hire AmauryAmaury Andres Peniche Gonzalez
Verified Expert in Engineering
Front-end Developer
Medellín - Antioquia, Colombia
Toptal member since May 8, 2013
Bio
Amaury is a VP of Engineering experienced in building and scaling SaaS products with Ruby on Rails and PostgreSQL. He leads three product teams and builds production AI systems end-to-end, including LLM agents, retrieval pipelines, and evaluation systems using OpenAI and Anthropic APIs. Proficient in Claude Code and Codex, he combines hands-on engineering expertise with executive technical leadership. A graduate of MIT Professional Education’s CTO Program, he is bilingual in English and Spanish.
Portfolio
SPTJ Consulting (Via TopTal)
Heroku, Amazon S3 (AWS S3), JavaScript, PostgreSQL, Devise, Ruby on Rails (RoR)
Bulavard (Via TopTal)
Multitenancy, Stripe, Devise, JavaScript, PostgreSQL, Capybara, RSpec...
CCI Systems (Via TopTal)
JavaScript, PostgreSQL, MySQL, Capybara, RSpec, Ruby on Rails (RoR)
Experience
- Front-end - 17 years
- Ruby on Rails (RoR) - 15 years
- Agile Software Development - 15 years
- Ruby - 15 years
- PostgreSQL - 15 years
- Heroku - 14 years
- Technology Management - 12 years
- Artificial Intelligence (AI) - 2 years
Preferred Environment
Git, MacOS, Jira, Claude Code, Codex, Terminal, Ruby on Rails (RoR), PostgreSQL, Heroku
The most amazing...
...software I've ever built is a learning platform I've architected and evolved for 10+ years, now shipping AI features to hundreds of thousands of students.
Work Experience
Ruby on Rails Developer
2014 - PRESENT
SPTJ Consulting (Via TopTal)
- Created a knowledge base system using devise for authentication, Amazon S3 for storing uploads and hosted on heroku with some features like full-text search, files management and tagging.
Technologies: Heroku, Amazon S3 (AWS S3), JavaScript, PostgreSQL, Devise, Ruby on Rails (RoR)
Ruby on Rails Full-Stack Web Developer
2014 - PRESENT
Bulavard (Via TopTal)
- Built a comprehensive test suite with unit and feature specs.
- Refactored the codebase to improve the codeclimate rate from 2.6 to 3.3.
- Further integrated Stripe to allow the app to charge an application fee, the ability to have multiple cards on record and recurrent billing.
- Implemented key features like: 'subscription management', 'add-on management', 'Administration panel', 'Invitations system', among many others.
Technologies: Multitenancy, Stripe, Devise, JavaScript, PostgreSQL, Capybara, RSpec, Ruby on Rails (RoR)
Full Stack Web Developer
2014 - 2014
CCI Systems (Via TopTal)
- Created multiple reports for a network management system.
- Created several unit and feature tests using Rspec and Capybara.
- Implemented bugfixes.
Technologies: JavaScript, PostgreSQL, MySQL, Capybara, RSpec, Ruby on Rails (RoR)
RoR Engineer
2013 - 2014
Cleer (Via TopTal)
- Created a platform to help management teams to make and execute critical business decisions using Ruby on Rails (social network alike).
- Integrated box API to support HTML visualization of PDF and MS Office documents.
- Created JS rich views to allow drag and drop reordering, ajax updating, sorting and filtering.
- Created a responsive side 'app look-alike' sliding menu and numerous fully-responsive views.
- Set up background job processing using redis and sidekiq compatible with the multi-tenant postgreSQL database on heroku, as well as the integration with the mandrill service for mailing.
Technologies: JavaScript, PostgreSQL, Ruby on Rails (RoR)
Senior Developer
2012 - 2013
Imagine
- Created a human management system for one of the largest financing company in Colombia (Tuya S.A.) using PHP, Yii Framework, jQuery, and PostgreSQL, as well as TDD methodology.
- Created a workflow for managing Tuya S.A.'s contracting and procurement process using PHP, Yii Framework, jQuery and PostgreSQL, as well as TDD methodology.
- Created a module for processing TIFF images (rewrote legacy code) for an HR company using PHP, Yii Framework and PostgreSQL.
Technologies: JavaScript
Performance Improvement Advisor
2011 - 2012
Ernst & Young
- Worked as a PMO (Project Management Office) team member in an IFRS implementation program.
- Managed the progress and timing of projects related to the IFRS program.
Technologies: Project Management
Research Assistant at the VR Lab
2009 - 2011
EAFIT
- Created an immersive virtual reality training system with stereoscopic vision to improve the mechanical assembly training process of manufacturing companies using Python with Panda3D.
- Created an augmented reality training system to complement the functionality of the virtual reality system using C++.
- Designed and implemented an interactive cutting algorithm with pattern recognition for triangular meshes to simulate cuts in a surgical simulator using C++.
Technologies: Python, C++
Developer
2009 - 2011
Freelancer
- Created the front and backend of a purchase orders system for a wholesale product supplier in Florida using Ruby on Rails, JavaScript and PostgreSQL.
- Created several online stores including shopping carts, inventory management, and online payments, among other features. Used Ruby on Rails, jQuery, PostgreSQL, HTML and CSS.
- Created the frontend (from a PSD) for an image gallery management system, including integrating and customizing an IDUT. Used PHP and JavaScript (http://www.ewaperzgallery.com).
- Created a stand-alone application in Java to manage container-related information for a foreign trade company in Colombia (Marporte).
- Performed numerous PSD to HTML transformations.
Technologies: HTML, jQuery, JavaScript, Ruby on Rails (RoR)
Experience
Melollevo
Melollevo is an auctions site that operates in Colombia. I developed it all in Ruby on Rails with some jQuery and PostgreSQL as the DB. I built the entire site, including the design (except for the logo).
Melikeu
Melikeu is a brand new dating website that helps users discover if the person they like, likes them too. The site is developed in Ruby on Rails with some jQuery and PostgreSQL as the DB. I developed all of the backend and part of the frontend.
Awesome checkbox
Awesome checkbox is a JS/CSS plugin that has been extremely useful in many projects I've worked on that allows to easily style checkboxes using font-awesome (or any custom css class), so it basically replaces the default checkbox for any two icons with custom size, color, etc.
Education
2005 - 2011
Bachelor's Degree in Production Engineering
EAFIT University - Medellin, Colombia
2004 - 2009
Bachelor's Degree in Systems Engineering
EAFIT University - Medellin, Colombia
Skills
Libraries/APIs
jQuery, Ruby on Rails API, Devise, Stripe
Tools
Adobe Fireworks, TextMate, RSpec, Claude Code, Codex, Terminal, Emacs, Git, Jira
Languages
Ruby, HTML, JavaScript, C++, Python
Frameworks
Ruby on Rails (RoR), Capybara
Platforms
MacOS, Heroku
Industry Expertise
Project Management
Storage
PostgreSQL, Databases, MySQL, Amazon S3 (AWS S3)
Paradigms
Agile Software Development, Test-driven Development (TDD)
Other
Front-end, Lean Project Management, Software Development, Software Architecture, Computer Science, Leadership, Artificial Intelligence (AI), Technology Management, Multitenancy, Performance Improvement
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