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Work Background
NubankAnalytics Engineer Manager
Mar. 2023São Paulo, Brazil
NubankAnalytics Engineer Tech Manager
Oct. 2021 - Mar. 2023
PicPayStaff Database Engineer
Dec. 2020 - Sep. 2021Vitória, Espírito Santo, Brasil
PicPayDBA
Jul. 2019 - Dec. 2020
PicPayData scientist
Jul. 2018 - Jul. 2019• Data Prepare o Clean, normalization and transformation using PySpark exporting parquet files with snappy compression.
• Machine Learning Experience o Development of Machine Learning Models to identify clusters, classification them and do users recommendations. o Complex Network is a really important approach to define some spreadability scores for the users. o Collaborative Filtering to do some products recommendations. o DBScan to create geographic clusters.
Autoglass - BrasilData Science Analyst
Jul. 2017 - Jun. 2018Vila Velha, Espírito Santoo Preditive and prescristive models.
▪ Buildly of the predictive model to identify fraud, tests and accuracy. Script developed using the Naive Bayes theorem, using the historical data to training the model, we reach with the work about 97% of assertivenessBuildly of the predictive model to identify fraud, tests and accuracy. Script developed using the Naive Bayes theorem, using the historical data to training the model, we reach with the work about 97% of assertiveness
o Sentiment analysis.
▪ Sentiment analysis script built to analyze the comments made in social networks, classifying them as good or bad, thus allowing the quality sector to work the PSL (personal satisfaction level) of customers, using scripts KNN and Naive Bayes scripts.
o Classification using KNN.
▪ Classification of attendees as accidental, natural causes and vandalismo.
o Implementation of the Docker cluster environment (one manager and three workers) to implement the APIs created in Python and using Flask, all configured in the ALPINE operating system.
o Implementation of the ElasticSearch environment (tool for Big Data) and construction of API for queries.
▪ Due to the large volume of information that can be analyzed (a billing base with more than 600,000,000 records), I implemented an Elasticsearch server which, in large-volume searches, performed 2371 times faster than the same query in Exdata X6-2.
o Building management panels using Tableau as a presentation tool.
Autoglass - BrasilAdministrador de banco de dados
Jun. 2016 - Jul. 2017Vila Velha, Espírito Santo• ORACLE Database
o Installation and configuration of Single Instances and RAC.
o Deploying Rman and Datapump backup routines.
o Dataguard and data replication by Archives and Rman.
o Preventive maintenance of Tablespaces, Redo Retention, Jobs, Invalid Objects and sessions.
o Analysis of server and database logs.
o Management of main Site and backup site (Exadata X6 and X5 respectively).
o Data optimization for Data Warehouse (DW) environments.
• SQL Server
o Managing backup routines.
o SQL Tuning.
o Preventive maintenance.
o Redundancy and load balance.
CSI - Solução e TecnologiaDBA
Oct. 2014 - May. 2016• ORACLE Database
o Installation and configuration of Single Instances and RAC.
o Deploying Rman and Datapump backup routines.
o Dataguard and data replication by Archives and Rman.
o Preventive maintenance of Tablespaces, Redo Retention, Jobs, Invalid Objects and sessions.
o Analysis of server and database logs.
o Management of main Site and backup site (Exadata X6 and X5 respectively).
o Data optimization for Data Warehouse (DW) environments.
• SQL Server
o Managing backup routines.
o SQL Tuning.
o Preventive maintenance.
o Redundancy and load balance.
Infosis Consultoria em SistemasAnalista de Suporte
Apr. 2011 - Oct. 2014• Server Administration, installation, maintenance and configuration of Windows Server, ISA Server 2006 Firewall and TMG. Responsible for virtualization servers (Hyper-V) and VM backups.
• Installation and configuration of SQL SERVER databases, as well as checking, running and tuning the scripts, functions, stored procedures and views for the BANDES (Development bank of Espirito Santo).
• Responsable for the application servers, management of the publish (in the IIS servers) of the sites intranet, extranet and PortalRH of BANDES.
• Responsible for the construction of the Infrastructure Portal, which stores all the information of the network topology, study material, Microsoft documentation, general information of the Servers, computers, clients, Firewall, Switchs, modens among other network assets. All information protected by the HTTPS protocol.
Grupo DadaltoEstagiario de Suporte
Apr. 2010 - Apr. 2011
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