Publication
Getting Started with the Elixir Programming Language
https://www.toptal.com/elixir/getting-started-elixir-programming-language
Kleber is available for hire
Hire KleberKleber Virgilio Correia
Verified Expert in Engineering
Software Developer
Location
São Paulo - State of São Paulo, Brazil
Toptal Member Since
October 31, 2012
Kleber is a software developer with ten years of experience working professionally in IT. He enjoys sharing and acquiring knowledge in a broad range of topics, including Unix, Agile software development, functional and object-oriented languages, design patterns, RESTful architecture, distributed applications, and cloud computing.
Portfolio
Funding Circle
JavaScript, Confluence, PostgreSQL, RabbitMQ, Kafka Streams, Apache Kafka...
Globo.com
JavaScript, Elasticsearch, Microservices, MongoDB, React, Python, Go
Bikeroar
JavaScript, MySQL, PostgreSQL, Redis, Amazon Web Services (AWS), Elasticsearch...
Experience
Availability
Part-time
Preferred Environment
Vim Text Editor, CODE, Zsh, Git, Unix
The most amazing...
...thing I've built is a big API to handle 60000 requests per second using Go.
Work Experience
Distributed Systems Engineer
2018 - PRESENT
Funding Circle
- Automated instant price models to calculate loans/interests prices for USA borrowers with Ruby, AWS, and Salesforce.
- Automated anti-money laundering processes for different geographies with Ruby, Amazon AWS, and Kafka.
- Implemented a Global CRM Platform unifying geographies with Clojure and Kafka Streams API.
Technologies: JavaScript, Confluence, PostgreSQL, RabbitMQ, Kafka Streams, Apache Kafka, Ruby on Rails (RoR), Ruby, Clojure
Senior Software Developer
2017 - 2018
Globo.com
- Rewrote a mission critical application responsible for handling 40,000 requests per second.
- Maintained a React-based single-page application.
Technologies: JavaScript, Elasticsearch, Microservices, MongoDB, React, Python, Go
Lead Developer
2012 - 2017
Bikeroar
- Created a wide international marketplace.
Technologies: JavaScript, MySQL, PostgreSQL, Redis, Amazon Web Services (AWS), Elasticsearch, Shell Scripting, Ruby on Rails (RoR), Ruby
Ruby on Rails Developer
2012 - 2013
Bargains 4 Business
- Designed and implemented an app that offers an easy way to see and buy thousands of deal vouchers.
- Created a suite of automated tests for error detection.
- Developed an efficient background process handling system.
- Incorporated customer authentication via OAuth API.
- Developed a secure API for third-party services.
Technologies: JavaScript, Capistrano, Git, Modernizr, CSS3, HTML5, Memcached, Redis, PostgreSQL, Backbone.js, Ruby on Rails (RoR)
Ruby on Rails Developer
2011 - 2012
Olook
- Launched a mobile (iOS and Android SDKs) fashion eCommerce application called Mallguide.me that allows users to record brand and store preferences and provides them with personalized information.
- Developed a Ruby on Rails API that supports thousands of client requests and provided a clean way to manage administrative data. The work involved OOP, UX, and Geo localization technology.
Technologies: JavaScript, Behavior-driven Development (BDD), Test-driven Development (TDD), Kanban, XP, Scrum, Amazon CloudFront CDN, Amazon CloudWatch, Amazon S3 (AWS S3), Amazon EC2, Linux, Android SDK, iOS SDK, PostGIS, PostgreSQL, Solr, Ruby on Rails (RoR), Ruby
Experience
ProHound IoT Platform
https://www.prohound.com.br/I led and advised a small team to create a platform for an IoT product as well as providing full-stack development. I implemented the platform from the ground up.
Simple Phoenix/Elixir Application
https://bitbucket.org/klebervirgilio/todo-exA simple Phoenix application serving a React SPA and exposing JSON API.
RESTful API and Front-end Client
I took over the implementation of a Go RESTful API and a React front-end client at Southern Cross Integrators. My duties were fixing bugs, to performance optimization, and implementation of new features.
Skills
Languages
JavaScript, Go, Ruby, Elixir, Clojure, HTML5, CSS3, Python
Frameworks
Ruby on Rails (RoR), Ruby on Rails 5, JSON Web Tokens (JWT), Flask, Flux, Redux, Phoenix, iOS SDK, Android SDK, CODE, Ember.js
Libraries/APIs
Sidekiq, React, React Router, Node.js, Backbone.js, Modernizr, Gomega, Hystrix, Google Cloud API, Twilio API
Tools
Slack, Shell, Gorilla, Git, GitHub, Kafka Streams, Capistrano, Solr, Amazon CloudWatch, Amazon CloudFront CDN, Zsh, Vim Text Editor, Confluence, Docker Compose, ActiveMQ, RabbitMQ
Paradigms
Object-oriented Programming (OOP), Microservices Architecture, Functional Reactive Programming, Functional Programming, Concurrent Programming, Scrum, XP, Kanban, Test-driven Development (TDD), Behavior-driven Development (BDD), Microservices
Platforms
Heroku, Tsuru, Docker, Amazon Web Services (AWS), Linux, Amazon EC2, Unix, Apache Kafka, Engine Yard, Amazon, Red Hat Linux, Debian Linux
Storage
JSON, Elasticsearch, Amazon S3 (AWS S3), Redis, MySQL, PostgreSQL, PostGIS, Redis Cache, MongoDB, Memcached
Other
Shell Scripting, Ginkgo, FX, Tornado
Education
2007 - 2010
Bachelor's Degree in Computer Engineering
FIAP - Faculdade de Informática e Administração Paulista - Sao Paulo, Brazil
Certifications
DECEMBER 2018 - PRESENT
Blockchain Platforms
Coursera
DECEMBER 2018 - PRESENT
Decentralized Applications (DApps)
Coursera
NOVEMBER 2018 - PRESENT
Smart Contracts
Coursera
OCTOBER 2018 - PRESENT
Blockchain Basics
Coursera