Gustavo Guimaraes
Verified Expert in Engineering
Software Developer
Gustavo is a full-stack web developer. A lifelong learner, he enjoys finding solutions for real-world problems through the use of technology. He is an expert blockchain engineer. His writing has helped hundreds of developers getting into the Ethereum smart contract ecosystem.
Portfolio
Experience
Availability
Preferred Environment
Linux, MacOS, Atom, Shell, Git
The most amazing...
...profitable piece of software I’ve written is a smart contract that raised USD $20 millions for a client.
Work Experience
Software Engineer
Freelance Work
- Created and deployed smart contracts on the Ethereum network where thousands of users interacted with. Built non-fungible tokens as well as decentralized finance dapps.
- Built large-scale decentralized applications. Managed a team of eight developers to deliver a fast implementation of software features.
- Hired, coached, and reviewed the performance of eight software engineers in a project which delivered the fast implementation of software features.
Researcher and Full-stack Web Developer
Alexander von Humboldt Foundation - German Chancellor Fellowship
- Built custom posting, upvoting, and comment systems.
- Created educational platforms where German universities can post their online courses.
- Used Geocoder to detect user location.
- Reworked software into a Sinatra application deployed on Heroku.
Full-stack Web Developer
Wizard Development
- Created and maintained startup products using Ruby on Rails and Ember.js.
- Assisted with the database schema architecture.
- Integrated the Github API to receive push notifications of commit activity.
- Used the native HTML5 video element to play videos.
- Utilized the HTML5 Video API to create an annotation system for adding notes to cue points in the video, similar to SoundCloud comments.
- Implemented a testing framework (Rspec and Capybara) in client projects.
- Built custom posting, upvoting, and comment systems from scratch in Ruby on Rails.
Full-stack Web Developer
NYC Web Development Fellowship
- Applied full-stack web development practices and stacks on projects, including but not limited to: JavaScript, Angular, Ruby, Rails, Sinatra, SQL, databases, system operations, HTML/CSS, and APIs.
- Collaborated with teams using Agile software development and test-driven development practices.
- Created a social media social visualization data visualization tool for a NYC-based interior design startup.
Developer
Creative Magenta
- Developed web applications for clients in Chile, Brazil, USA, and Great Britain.
Experience
Open HPI
One Month
https://onemonth.com/Neighborgoods Brooklyn
Skills
Languages
Sass, Ruby, JavaScript, PHP, CSS, HTML, Solidity, SQL
Frameworks
Sinatra, Ruby on Rails (RoR), AngularJS, Ember.js, Compass, Angular
Tools
Atom, Sublime Text 3, GitHub, Vim Text Editor, Git, Shell
Paradigms
Agile Software Development, Test-driven Development (TDD), Behavior-driven Development (BDD), Scrum
Other
Communication, Smart Contracts, Ethereum Smart Contracts
Libraries/APIs
Social APIs, jQuery, Node.js, Vue, React, Chart.js
Platforms
Linux, Heroku, MacOS, Ethereum, Blockchain
Storage
PostgreSQL, Amazon S3 (AWS S3), MySQLi
Education
Bachelor's Degree in Liberal Arts (Elective focus in Economics, Politics, Foreign Languages, and Computer Science)
Lawrence University - Appleton, WI, USA
Certifications
Ethereum Developer
B9 labs
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