Sebastian Borrazas, Software Developer in Montevideo, Montevideo Department, Uruguay
Sebastian Borrazas

Software Developer in Montevideo, Montevideo Department, Uruguay

Member since June 18, 2016
Sebastian is a full-stack software engineer from Montevideo with a vast experience in web development. He focuses on both back-end and front-end—building robust, performant and easy-to-use applications. Sebastian is not only interested in web development, but he is also known as a technical lead, a down-to-earth problem solver, and a motivating team worker.
Sebastian is now available for hire




Montevideo, Montevideo Department, Uruguay



Preferred Environment

Vagrant, Git, Emacs, OS X

The most amazing...

...project I worked on was a platform for video creators to manage their content.


  • Computer Science Teaching Assistant

    2016 - PRESENT
    Universidad ORT Uruguay
    • Involved in teaching and assisting students on their assignments.
    • Worked as a teacher of the Computer Theory course which covers building and interpreting languages—both imperative and functional through the AST.
    • Worked as a teacher of the Programming Languages course which covers building interpreters, and type checkers and compilers that compile to JVM machine language instructions.
    • Handled course work and corrected assignments.
    Technologies: JVM, C, Haskell
  • Lead Software Engineer

    2013 - 2016
    • Designed, architected, and led the project team on tech-based matters.
    • Built robust web applications and large-scale APIs with technologies such as Ruby, Node.js, ReactJS, and Redux.
    • Worked mostly with web applications with technologies such as Ruby, Node.js, ReactJS, and Redux.
    • Built the internal infrastructure for production, development, and other testing environments using Ansible, AWS, Vagrant, CentOS, and Ubuntu.
    • Led a team of multiple developers and designers, providing them tasks, priorities, and reviewing their work.
    Technologies: Amazon Web Services (AWS), AWS, PostgreSQL, Redux, React, Ruby
  • Developer

    2012 - 2013
    • Continued building web products on a new Lightbank-founded company based in Chicago, IL.
    • Developed the main front-end application using Sinatra, Redis, HAML, SASS, and Backbone.
    • Collaborated on several projects with developers and designers based on Chicago, IL; where I had to travel to the Chicago offices for close interaction with the remote team which included tech reviews and product planning.
    • Developed the internal development and management tools for improving and automating the internal company processes using Sinatra, PostgreSQL, and JavaScript.
    Technologies: Sass, Haml, Redis, JavaScript, PostgreSQL, Ruby on Rails (RoR), Sinatra, Ruby
  • Core Web Developer

    2012 - 2012
    • Developed and was in charge of the core application which handled subscriptions and shipped goods to the customers.
    • Implemented the minimum viable product (MVP) using Sinatra, Ruby on Rails, JavaScript, and AJAX.
    • Interacted with the Recurly service and API which was the main revenue source.
    • Developed social apps that integrated with Twitter, Facebook, and other services through OAuth and REST APIs.
    • Worked closely with product design and management to estimate, prioritize, and review features.
    Technologies: JavaScript, Ruby on Rails (RoR), Ruby, Sinatra
  • Web Developer

    2011 - 2012
    • Took part of multiple web projects—both back-end and front-end using the latest web technologies.
    • Worked with multiple APIs, external services, and different types of databases.
    • Created and collaborated with remote teams to build, review, and test a variety of applications (stock, sales, and management).
    • Implemented a web application responsible for providing real-time tracking information from vehicles and other devices.
    Technologies: JavaScript, Ruby on Rails (RoR), Ruby


  • Vydia

    A platform that provides video content creators to upload,
    manage, publish, and monetize their videos across multiple channels. Built using Cuba, Sequel, and front-end development tools.

  • PetFinder

    A community-powered social network that helps lost pets find a home. Created as an interactive map where you can add publications directly on a map. Built using mainly Ruby, Cuba, Sequel, React, and AWS.

  • Armadillo

    A small library for Django-like template inheritance adapted for ERB.

  • Organ

    Organ is a small library for manipulating form-based data with validations attributes coercion.

  • Redux API Map

    A Redux API wrapper to dispatch actions, by mapping every action an API endpoint.

  • React Watcher

    A simple helper to watch your React components' prop changes.

  • Cast & Crew

    Cast & Crew is a trusted partner to major and independent film and television studios. My job was to build the internal management system to upload, and fill-and-sign large legal documents for the employees and clients. Built using mainly Cuba, Sequel, and ReactJS.

  • FlatWorld Knowledge

    An e-learning app where you can create or access and personalize more than 100+ college textbooks to then share with your students. Built mostly with Cuba, ReactJS, and Amazon Web Services (AWS).


  • Languages

    Ruby, CSS3, JavaScript, Less, HTML5, Erlang, Elixir, Java, C, SCSS, Bash, Haskell, SQL, Haml, Sass, Python, Scheme, OCaml
  • Frameworks

    Redux, Sinatra, Cuba, Ruby on Rails (RoR)
  • Libraries/APIs

    React, Sequel, Node.js
  • Tools

    GitHub, Git, Emacs, Vagrant, Ansible, Nginx, AWS SES
  • Paradigms

    Responsive, REST, Object-oriented Programming (OOP), Imperative Programming, Agile Software Development, Functional Programming, Search Engine Optimization (SEO)
  • Storage

    AWS S3, JSON, PostgreSQL, Redis
  • Other

    HTTP, Ajax, Algorithms, Data Structures, BrainTree, SMTP, AWS Route 53, Unix Shell Scripting, SSH, AWS
  • Platforms

    AWS Lambda, Ubuntu, AWS EC2, OS X, JVM, Amazon Web Services (AWS), Docker, CentOS 6, MacOS
  • Industry Expertise

    Project Management


  • Bachelor's degree in Computer Engineering
    2011 - 2018
    Universidad ORT Uruguay - Montevideo, Uruguay

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