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Ricardo – Ruby on Rails, React, Ruby, experts in Lemon.io

Ricardo

From Brazil (GMT-3)

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Full-stack Web DeveloperSenior
Hire developer
11 years of commercial experience
Business intelligence
Communications
E-learning
Edtech
Healthcare
Healthtech
Information services
Management
LMS
Mobile apps
Platforms
Lemon.io stats
2
projects done
159
hours worked
1
offers now 🔥

Ricardo – Ruby on Rails, React, Ruby

Ricardo is a Senior Full-Stack Developer with expertise in Ruby, Ruby on Rails, and React, focusing on backend development. He has versatile experience ranging from small groups to large corporations, covering diverse domains such as education, health services, IoT, and stock management. This breadth of experience has shaped him into a well-rounded specialist. Known for his open-mindedness, reliability, and strong communication skills, Ricardo is highly recommended for senior full-stack developer roles.

Main technologies
Ruby on Rails
6 years
React
2 years
Ruby
6 years
Additional skills
Docker
GitHub
AWS
JavaScript
Kubernetes
Terraform
Cloud Computing
Redis
Jira
MySQL
Jenkins
PostgreSQL
REST API
CI
Redmine
Oracle
Angular
Python
OpenGL
C++
Django
Jest
Typescript
Unity
Unreal Engine 5
WebGL
Neo4j
JSON
Stripe API
Stimulus
Vercel
Vue.js
Heroku
OAuth
Ready to start
07/01/2024
Direct hire
Potentially possible

Experience Highlights

Senior Full-Stack Developer
Dec 2020 - Jan 20243 years 1 month
Project Overview

It is an educational technology company based in Salt Lake City, Utah, United States. It is the developer and publisher of Canvas, a web-based learning management system (LMS), and MasteryConnect, an assessment management system.

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Responsibilities:
  • Developed and maintained LTI services for a MOOC Application;
  • Designed web-service and micro-service infrastructure for receiving data through RESTful APIs to communicate with the Rails Framework;
  • Managed the database integrity and inconsistencies across several institutions due to the sensitive behavior;
  • Integrated the web application with designs, philosophies, and constraints;
  • Managed and documented the application through the best practices already available through state-of-the-art research related to Software Project management.
Project Tech stack:
React
Ruby on Rails
Ruby
Python
OpenGL
C++
Django
AWS
Vue.js
Heroku
Senior Back-end Developer
Dec 2016 - Nov 20203 years 10 months
Project Overview

Full Measure Education powers personalized mobile experiences at over 450 institutions across the country. The main goal is to create mobile-first experiences to deliver personal, curated moments of support and celebration to students everywhere.

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Responsibilities:
  • Assessed Rails/Ruby Source-code on both back and front-end;
  • Created integration with security alert and logging tools;
  • Refactored and did source-code improvement;
  • Removed possible SQL injections;
  • Was responsible for integrating AWS Secrets Manager and ParameterStore;
  • Created a secure environment for sharing credentials using Keybase.io.
Project Tech stack:
Ruby
Ruby on Rails
JavaScript
Git
Redmine
Jira
Kubernetes
Docker
AWS
Jest
Node.js
React
Middle Full-Stack Developer
Nov 2015 - Jan 20171 year 2 months
Project Overview

The company, founded in 2004 and headquartered in Salvador, Bahia, is a private, non-profit institution whose purpose is to carry out Research, Development, and Innovation (RD&I) in the area of Information and Communication Technology (ICT).

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Responsibilities:
  • Debugged and refactored the application, including upgrading Rails to its latest version;
  • Provided bug-fixing and Issue tracking;
  • Implemented RESTful API in Rails;
  • Assessed Ruby code of quality, security, and gem integrity/usage;
  • Built frontend components and guaranteed restful behavior of the application;
  • Integrated issue tracking within JIRA, Slack;
  • Implemented and maintained CI/CD practices within the project;
  • Added Jenkins reports that were automated and presented through the JIRA interface;
  • Migrated to AWS environment and dockerizing the application.
Project Tech stack:
Ruby on Rails
Ruby
Angular
Middle Back-End Web Developer
May 2014 - Oct 20151 year 5 months
Project Overview

It is a non-profit institution. The project and its products consisted of applications for stock control, security and gating system, and costly medicine storage and safety.

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Responsibilities:
  • Drove and owned end-to-end delivery;
  • Developed, planned geared towards Agile product lifecycle;
  • Worked in a highly professional software engineering environment (source control, short release cycles, continuous integration, and delivery);
  • Created a fully-fledged RESTful API setup in Rails for connecting and receiving data from LORAWAN devices;
  • Used state-of-the-art data structures and best dev practices.
Project Tech stack:
Ruby
Ruby on Rails
Oracle
REST API
CI
AWS

Education

2020
Computer Science
Master

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