Experience

PREDICT VISION

• Brazil
• Software Development
• 1 - 100 Employee

• Solution Architect (AWS / Java / Python)

  • Aug 2022 - Aug 2023

  I worked on complex projects using Java and Python, most of them running in the AWS cloud. Some of these projects involved quantitative trading, sentiment analysis using NLP models, telecom test automation, among other challenges. I also worked on migrating systems to event-driven and microservices architectures. The infrastructure of our cloud projects was created using IoC. For NLP tasks , I used fine tuning from large pre-trained models (including LLM) for classification and… Show more I worked on complex projects using Java and Python, most of them running in the AWS cloud. Some of these projects involved quantitative trading, sentiment analysis using NLP models, telecom test automation, among other challenges. I also worked on migrating systems to event-driven and microservices architectures. The infrastructure of our cloud projects was created using IoC. For NLP tasks , I used fine tuning from large pre-trained models (including LLM) for classification and summarization. MLOps pipelines creation. Show less I worked on complex projects using Java and Python, most of them running in the AWS cloud. Some of these projects involved quantitative trading, sentiment analysis using NLP models, telecom test automation, among other challenges. I also worked on migrating systems to event-driven and microservices architectures. The infrastructure of our cloud projects was created using IoC. For NLP tasks , I used fine tuning from large pre-trained models (including LLM) for classification and… Show more I worked on complex projects using Java and Python, most of them running in the AWS cloud. Some of these projects involved quantitative trading, sentiment analysis using NLP models, telecom test automation, among other challenges. I also worked on migrating systems to event-driven and microservices architectures. The infrastructure of our cloud projects was created using IoC. For NLP tasks , I used fine tuning from large pre-trained models (including LLM) for classification and summarization. MLOps pipelines creation. Show less



Pismo

• Brazil
• IT Services and IT Consulting
• 400 - 500 Employee

• Senior Software Engineer

  • Apr 2022 - Aug 2022

  Re-architecture AWS cloud workloads for cost reduction. Development of lambda functions using Python and Golang for event-driven solutions Deploy of infrastructures using Terraform Re-architecture AWS cloud workloads for cost reduction. Development of lambda functions using Python and Golang for event-driven solutions Deploy of infrastructures using Terraform



PREDICT VISION

• Brazil
• Software Development
• 1 - 100 Employee

• Principal Software Engineer (Python , Machine Learning , AWS)

  • Jan 2018 - Apr 2022

  I worked on several image classification projects. These images required complex pre-processing for noise reduction, better feature extraction and data augmentation. I developed Python code using scikit learn to process these images. Design and development of complex AWS workloads. IoT projects using Python and Java for remote monitoring of hospital environments and smart buildings. Time series analysis and processing models for investment strategies. I worked on several image classification projects. These images required complex pre-processing for noise reduction, better feature extraction and data augmentation. I developed Python code using scikit learn to process these images. Design and development of complex AWS workloads. IoT projects using Python and Java for remote monitoring of hospital environments and smart buildings. Time series analysis and processing models for investment strategies.



Triad Systems

• Brazil
• IT Services and IT Consulting
• 100 - 200 Employee

• Big Data Engineer

  • Jun 2017 - Dec 2017

  Java and Python development for HBase, Spark and Hive. Analysis of a large volume of data generated by provisioning systems (new contracts, change of rate plan, churn) of the largest mobile operator in Brazil. Design of architectural solutions for big data. Technical leadership of the programmers team. Deployment and allocation of new resources on AWS cloud. Monitoring and administration of batch processes. Java and Python development for HBase, Spark and Hive. Analysis of a large volume of data generated by provisioning systems (new contracts, change of rate plan, churn) of the largest mobile operator in Brazil. Design of architectural solutions for big data. Technical leadership of the programmers team. Deployment and allocation of new resources on AWS cloud. Monitoring and administration of batch processes.



Mercado Livre Brasil

• Brazil
• Technology, Information and Internet
• 700 & Above Employee

• Senior Solutions Architect

  • Dec 2016 - Jun 2017

  Development using Java/Spring for data collection from Mercado Livre (Largest e-marketplace site in Latin America) transactions. Development of reports based on processing results using Hadoop and Spark. Daily, weekly and monthly summaries were stored in CSV files and made available in Hive tables. Development using Java/Spring for data collection from Mercado Livre (Largest e-marketplace site in Latin America) transactions. Development of reports based on processing results using Hadoop and Spark. Daily, weekly and monthly summaries were stored in CSV files and made available in Hive tables.



Indux

• Emirados Árabes Unidos

• Solution Architect/Data Engineer

  • Feb 2015 - Nov 2016

  Development of a customer engagement system using Java , Spring (Web,Security) , JSTL and jQuery. Modeling of business components after gathering requirements. Geographic database stored procedures with PostGIS. Development of the distributed business layer (distributed persistence in Oracle and PostGIS) using EJB3. Development of a customer engagement system using Java , Spring (Web,Security) , JSTL and jQuery. Modeling of business components after gathering requirements. Geographic database stored procedures with PostGIS. Development of the distributed business layer (distributed persistence in Oracle and PostGIS) using EJB3.



E-commet

• São Paulo, Brazil

• Senior Software Engineer

  • Jan 2013 - Jan 2015

  Migration of a on-premisses system to AWS cloud using auto-scaling and load balance strategies and services Refactor system to use Spring Framework Development of new features for e-commerce analytics system Migration of a on-premisses system to AWS cloud using auto-scaling and load balance strategies and services Refactor system to use Spring Framework Development of new features for e-commerce analytics system



NII Holdings, Inc.

• United States
• 1 - 100 Employee

• Java Specialist

  • Jan 2012 - Dec 2012

  Migration of data and services to Nextel's new 3G network in Latin America. Development of subscriber massive and migration for Brazil and Chile customers. Configuration and testing of provisioning routines. Use of Java and PL/SQL to develop routines to support the billing and provisioning system. Migration of data and services to Nextel's new 3G network in Latin America. Development of subscriber massive and migration for Brazil and Chile customers. Configuration and testing of provisioning routines. Use of Java and PL/SQL to develop routines to support the billing and provisioning system.



BM&FBOVESPA

• Brazil
• Financial Services
• 500 - 600 Employee

• Senior Java Developer

  • Jul 2011 - Dec 2011

  Requirements gathering and Java development for the new Bovespa (São Paulo Stock Exchange) post trade platform. Development of unit tests with JUnit. Integration with CME (Chicago Mercantile Exchange) platform. Java , SOAP , Spring Web , jQuery. Requirements gathering and Java development for the new Bovespa (São Paulo Stock Exchange) post trade platform. Development of unit tests with JUnit. Integration with CME (Chicago Mercantile Exchange) platform. Java , SOAP , Spring Web , jQuery.



Ericsson

• Sweden
• Telecommunications
• 700 & Above Employee

• Java Solution Architect / BSCS iX Consultant

  • Jan 2010 - Dec 2010

  Development of new telecom products (mobile, fixed, pay TV and broadband) for the Du Operator in Dubai using Java and PL/SQL. Production support for BSCS iX (Billing and Provisioning) platform. Development of new telecom products (mobile, fixed, pay TV and broadband) for the Du Operator in Dubai using Java and PL/SQL. Production support for BSCS iX (Billing and Provisioning) platform.



Nextel

• Australia
• Telecommunications
• 1 - 100 Employee

• Java Technical Lead

  • Aug 2008 - Nov 2009

  Technical lead of the Java programmers team. Service-oriented architecture design. Bus of services using EJB3 / SOAP (proxy for billing platform services and operations) Technical lead of the Java programmers team. Service-oriented architecture design. Bus of services using EJB3 / SOAP (proxy for billing platform services and operations)



Borland Software

• United Kingdom
• Software Development
• 100 - 200 Employee

• Senior Software Engineer

  • Jan 2007 - Jul 2008

  Java and C++ development. Development of systems for São Paulo State Government administration (PRODESP) Java and C++ development. Development of systems for São Paulo State Government administration (PRODESP)



Emphasys IT Services

• Brazil
• IT Services and IT Consulting
• 1 - 100 Employee

• Java Solution Architect / Java Technical Lead

  • Jul 2004 - May 2006

  Analysis and development of software using Java, PL/SQL, C++ and Perl. Participation in several projects of the software house. After the first year, I became technical leader of the Java team. Analysis and development of software using Java, PL/SQL, C++ and Perl. Participation in several projects of the software house. After the first year, I became technical leader of the Java team.



Telefónica

• Spain
• Telecommunications
• 700 & Above Employee

• Software Developer

  • Jul 1998 - Mar 2001

  Development of software for monitoring and performance measuring of Telefonica Celular's mobile network. C++ , Java , Delphi and Perl. Development of scripts for automation of administrative tasks on telecom platforms (voice mail, SMS, HLR, prepaid). Development of software for monitoring and performance measuring of Telefonica Celular's mobile network. C++ , Java , Delphi and Perl. Development of scripts for automation of administrative tasks on telecom platforms (voice mail, SMS, HLR, prepaid).