Web Application Developer
Vision: Improve my clients businesses by creating the best web applications, with a smile :-)
More than 30 projects done alone or with a team, in 13 years working as Ruby on Rails Freelancer. Business focused. Prioritizing the best communication with clients. Let’s write the specs and I will build it for you.
Ask yourself the following questions:
We should go to production in less than 3 months with our very best Minimum Valuable Product.
I create React-equivalent modern frontends, cheap and easy to maintain, thanks to Hotwire JS-library, completely adapted to Ruby on Rails Backend. Without code duplication: APIs, models, validations, functions etc... No need to contract Fontend Developers yet.
I grant over 90% of your code covered by automated tests, running before every deployment, to ensure that nothing else breaks nowhere.
I grant you will see everyday changes thanks to daily automated deployments. No need to contract QA Engineers yet.
I build High Scalability systems taking care of Rails performance, and based on containers and microservices, adapted automatically to your business growth. No need to contract Devops Engineers yet.
I will send you a daily email with things to-do and done, based on business planification. And all talks you need, of course.
Tecnology Solutions Stack:
Some of our clients testimonials:
"Juan has a great knowledge about Ruby on Rails, JavaScript, .... and all technologies related with Web Apps. Communication with him is really easy, and immediate, I enjoyed working with him. He works hard and he gives the higher quality software with Tests. He always understands business needs. Thanks, Juan!!"
"I really enjoyed working with Juan!!! He completed my project just the way I want it. He was patient with me answering all of my questions and he did everything I asked him to do. I was so impressed with the quality of work and how fast it was completed that I gave Juan a bonus. Juan is the best developer I have ever worked with and I will definitely work with him again the future."
Description: Weopt is a Software Company that provides reliable, Enterprise Level Suppression List Management and Email Compliance Solutions for Advertisers, Networks and Publishers.
Technologies: Ruby on Rails, Google Cloud, Bigquery, Postgresql, Kubernetes, Docker
Roles played: I created full-stack Ruby on rails app, including Bigdata queries, and Kubernetes DevOps over Google Cloud
Release date: December 19th, 2021
Links: Demo
Description: Web application to help Financial Advisors with investments, using Artificial Inteligence and advanced Maths for calculations. From portfolio construction, asset allocation, and optimization to goals-based financial planning, the platform provides an all encompassing digital solution.
Technologies: Ruby on Rails API, AngularJS, PostgreSQL, Ubuntu linux
Roles played: I was responsible of full Backend. Rails REST API development, using Swagger to have all documentation and test pages for it. Also designing and maintaining Database and business model. Eventually I also made DevOps tasks like Linux servers intallation, or defining Continuous Integration and Deployment cycle.
Release date: June 10th, 2019
Links: Demo
Description: Professional out-of-the-box resumes, instantly generated by the most advanced resume builder technology available. Effortless crafting. Real-time preview & pre-written resume examples. Dozens of HR-approved resume templates.
Technologies: javascript, heroku, linux, devops, git, rspec, test-driven-development, postgresql-programming, ruby-on-rails
Roles played: Full stack Ruby on Rails Developer with a remote team of 4 Developers
Release date: July 26th, 2018
Links: Demo
Description: NexHealth is a patient relationship suite for your healthcare practice. We help you maintain patient relationships with seamless, digital tech that improves retention, simplifies office work, and enhances your brand.
Technologies: Ruby on Rails, PostgreSQL, Docker
Roles played: Backend Development
Release date: June 29th, 2017
Links: Demo
Description: Front Web Application for a Building Company. I was the Ruby on Rails Lead Developer of a team of 4 Developers. Also made DevOps tasks like Server installation and CI configuration.
Technologies: Ruby on Rails, CoffeeScript, Haml, Linux scripting
Roles played: Lead Developer, DevOps
Release date: April 4th, 2017
Links: Demo
Description: Lebrijo infrastructure tools: Docker images, Chef recipes and Ruby gems to manage Rails application servers
Technologies: Ruby, Docker, Chef, DigitalOcean, GCloud, AWS, .....
Roles played: Open Source Developer
Release date: September 4th, 2016
Links: Code | Demo | Management
Description: Collaborating as Technical writer about topics focused on Ruby on Rails for Developers: Payment gateways, Ubuntu dev environment, Chef, Capistrano 3 ...
Technologies: Ruby on Rails, Jekyll and Octopress, Chef, Capistrano, Ubuntu and Linux, Paypal and Payment processors
Roles played: Technical writer
Release date: May 31st, 2015
Links: Demo
Description: Principal Developer for main Web page and internal applications. Obsesibely aplying Scrum and Agile methodologies such as: different testing environments for PO verification, continuous Integration, high Test coverage percentages ...
Technologies: Scrum and Agile methodologies, Ruby on Rails, Jenkins, Rspec, Ubuntu
Roles played: Developer and DevOps
Release date: April 30th, 2017
Links: Demo
Description: Doctor Appoinments management Web and Mobile apps
Technologies: Phonegap prototype application for Android. * RESTful API: Ruby on Rails / PostgreSQL * Frontend framework: AngularJS / NodeJS * Design based on Bootstrap and Fontawesome
Roles played: Ruby on Rails Developer, Front-end developer, System Administrator
Release date: July 25th, 2014
Description: Create and publish online contests, managing Entries and comments, and publishing to Social networks.
Technologies: As Developer: Ruby on Rails, CoffeeScript, Twitter Bootstrap, Facebook, Twitter, Google+. As DevOps: Docker, Chef, Capistrano
Roles played: Ruby on Rails Developer, DevOps, Project Manager
Release date: June 2nd, 2015
Links: Demo
Description: a simple, safe and reliable service, which allows directly on the site, or using a mobile device to quickly find and book a suitable interpreter interpreting services anywhere in the world.
Technologies: Ruby on Rails, Javascript, CoffeeScript, Geonames
Roles played: Ruby on Rails and JavaScript Developer, Requirement Analisys
Release date: May 11th, 2014
Links: Demo
Description: The collaboration platform for the legal industry, empowering lawyers everywhere to get more done now.
Technologies: Ruby on Rails, github and Postgresql
Roles played: Implementing new features in a Ruby on Rails project, working in a team of 10 developers
Release date: March 21st, 2014
Links: Demo
Description: Online Ticketing Management System for Events: Events Publishing, Tickets Selling and Access Control
Technologies: Phonegap, Android, Jquery, Ruby on Rails, REST API, Paypal integration
Roles played: Web/Mobile development, design, Project management and marketing
Release date: June 8th, 2015
Mission: My passion is to create the best Web Applications. Using the most suitable Open Source Technologies, and Agile Software Development principles.
Vision: Improve my clients businesses by creating the best web applications, with a smile :-)
Principles:
Tuesday, 5 December 2023
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Saturday, 25 November 2023
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