Ismael Gonçalves Abreu, Developer in Porto, Portugal

Ismael Gonçalves Abreu

Software Developer

Location
Porto, Portugal
Toptal Member Since
March 2, 2015

Ismael is a seasoned Ruby on Rails developer who is always looking for new technologies and ways to improve his code. He has worked on many web engineering projects, loves open source, and is proud to have millions of users using his beautifully crafted code.

Ismael is available for hire
Hire Ismael

Portfolio

Glazed Solutions
Git, MongoDB, Redis, PostgreSQL, Knockout (Knockout.js), Sinatra, Bootstrap...
nMusic
Git, Elasticsearch, Solr, MongoDB, Redis, PostgreSQL, RSpec, Sidekiq...
Waverise Software
Git, Redis, MongoDB, PostgreSQL, Sidekiq, GrapesJS, JavaScript, Sinatra...

Experience

Ruby on Rails (RoR) - 4 yearsjQuery - 4 yearsSinatra - 3 yearsMongoDB - 3 yearsKnockout (Knockout.js) - 2 yearsScala - 1 yearAngularJS - 1 yearBackbone.js - 1 year

Location

Porto, Portugal

Availability

Part-time

Preferred Environment

Git, MacVim, OS X

The most amazing...

...web app I've coded is a high-performance, white-label, localized music streaming service for millions of users.

Work Experience

2015 - PRESENT

Software Engineer

Glazed Solutions
  • Developed Ruby on Rails projects for several international agencies.
  • Architected and developed REST APIs for mobile applications.
  • Worked with worldwide teams using Agile methodologies.
  • Contributed to open source projects and internal libraries.
  • Won the "Most Stack Overflow Answers" competition.
Technologies: Git, MongoDB, Redis, PostgreSQL, Knockout (Knockout.js), Sinatra, Bootstrap, Backbone.js, AngularJS, HTML5, Scala, Ruby on Rails (RoR)
2013 - 2015

Software Developer

nMusic
  • Implemented multiple features for the back-office, including: editorial management, service configurations, charts, and maintenance tasks.
  • Implemented parts of the API for mobile and desktop clients.
  • Integrated SMS payment and subscription APIs as gems.
  • Created a Ruby gem for accessing the internal catalog service in use at multiple implementations.
  • Created specific Lua scripts for Redis and store procedures in PL/pgSQL and PL/Perl.
Technologies: Git, Elasticsearch, Solr, MongoDB, Redis, PostgreSQL, RSpec, Sidekiq, Knockout (Knockout.js), Sinatra, JavaScript, HTML5, Ruby on Rails (RoR)
2013 - 2013

Ruby Developer

Waverise Software
  • Created a service exposed via API and WebHooks to fetch and broadcast data received via Twitter, Instagram, SMS, and email.
  • Implemented a highly customizable media board with live preview.
  • Implemented multiple features on a Human Resources Management System.
Technologies: Git, Redis, MongoDB, PostgreSQL, Sidekiq, GrapesJS, JavaScript, Sinatra, Ruby on Rails (RoR)
2012 - 2013

Ruby on Rails Developer

Sinemys
  • Created a scheduled publisher to automatically publish content on multiple forums and classified advertisement websites.
  • Created scrappers for multiple websites.
  • Implemented multiple features on eCommerce website.
  • Created an extension for Spree to support a Portuguese payments service using ATM references.
Technologies: Git, MongoDB, PostgreSQL, Resque, PHP, JavaScript, Ruby on Rails (RoR)

Experience

Sultn

Sultn is a music streaming service for the EMEA region.

Meo Music

A music streaming service for the largest Portuguese MNO.

Skills

Languages

HTML5, CSS3, JavaScript, Ruby, Scala, PHP, Elixir

Frameworks

Knockout (Knockout.js), Sinatra, Ruby on Rails (RoR), Bootstrap, AngularJS, GrapesJS

Libraries/APIs

jQuery, Backbone.js, Twitter API, Facebook API, Resque, Sidekiq, React

Tools

Git, MacVim, Solr, RSpec

Paradigms

Object-oriented Programming (OOP), Agile Software Development, Functional Programming

Platforms

MacOS, Linux, OS X

Storage

Redis, MongoDB, PostgreSQL, MySQL, Elasticsearch

Education

2009 - 2012

Master of Science Degree in Computer Engineering

Universidade do Minho - Braga, Portugal