Jonatas Daniel Hermann
Programmer
Blumenau, SC, Brazil
+55 --https://br.linkedin.com/in/jonatasdaniel
SKILLS
Ruby on Rails, PostgreSQL, Android, Amazon Web Services, Java, VRaptor,
JPA/Hibernate, MongoDB, Scrum, TDD, BDD, RSpec, JSON API Spec.
EXPERIENCE
Toptal, San Francisco, CA - Software Engineer (Freelancer)
July 2016 - Current
●
●
●
Created a Ruby on Rails + PostgreSQL application to do a
questionnaire about patients and track their common diseases.
Optimized report generation from minutes to seconds.
Build a furniture e-commerce, working with high scalable backend on
Ruby on Rails + PostgreSQL and responsive frontend on Foundation.
Seekr, Blumenau - Programmer
January 2013 - July 2016
●
●
Development and maintenance of social media monitoring
applications using Ruby on Rails, PostgreSQL, Sidekiq, Redis.
Maintenance of services and servers on Amazon Web Services.
Valicode, Blumenau - Programmer
September 2009 - January 2013
●
●
Development of web applications to track packages for logistic using
Java, VRaptor, JPA/Hibernate and PostgreSQL.
Development of Android applications to track packages for logistic
and automotive inspections.
EDUCATION
Furb, Blumenau - Computer Science
January 2009 - December 2014
LANGUAGES
●
●
Portuguese - native language
English - intermediate
PUBLICATIONS
AndOrm - Android object relational mapping framework
https://github.com/jonatasdaniel/andorm
