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@cassiopag
Flag of Brazil Curitiba, Brazil
Member since August 10, 2019
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cassiopag

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Worked on three major projects since 2013. Worked from planning, building the architecture to coding and deploying well-written software and recently consulting, below I list specific points I have hands on, defendable experience on MACHINE LEARNING - Good theory background with a number of formal and informal courses, including exploratory analysis, neural nets, regressions, tree algorithms, SVM, ensembles, and reporting. - Nearly all projects were developed in R providing specific solutions on retail and finance industries, some of them impacting millions of people. DATABASES - PostgreSQL: query optimization, fine tuning, PL/pgSQL, data links. - MySQL: query optimization, fine tuning, procedures. - MongoDB: queries and optimization, data output to ELK. - ELK stack. - Data pipelines. BACKEND STACKS - Ruby on Rails (app, API and GraphQL), PostgreSQL and MySQL, Redis as cache. - Node.js (app, API and GraphQL), MongoDB and PostgreSQL, Redis as cache. - Work particularly with AWS infrastructure and Docker whenever and wherever possible.
$32 USD/hr
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