Lucas Lopes

Experience

• 

  Center for Biomedical Signal Processing And Computation (CBMSPC)

  Jun 2014 - Aug 2014

  Summer Intern

  Worked for 3 months in a research center specialized in the analysis and processing of biomedical signals, with a scholarship from the Brazilian National Council for Scientific and Technological Development (CNPq). During this period, worked mainly in the acquisition and processing of electroencephalographic signals, for the posterior classification by a learning algorithm.

• 

  Universidade de Brasília

  Aug 2015 - Aug 2018

  Worked as a graduate research student in the field of biomedical signal processing, with a scholarship from the Brazilian National Council for Scientific and Technological Development (CNPq). Worked as an undergraduate research student in the field of signal processing with a scholarship from the Institutional Scientific Initiation Scholarship Program (PIBIC).

  • Graduate Research Student

    Aug 2016 - Aug 2018

  • Undergraduate Research Student

    Aug 2015 - Aug 2016
• 

  Stefanini Brasil

  Feb 2019 - Apr 2022

  Data Scientist

  Worked in the development of artificial intelligence systems, from the data preprocessing, training and testing of models, to making them available for consumption via APIs. Worked mainly with images, in tasks such as classification, object detection, optical character recognition (OCR), and other computer vision tasks. During his time in this position, trained and deployed several models such as : YOLO for object detection, CRNN for character recognition, several customized ResNet models for classification and regression, among others. Show less

• 

  IESB

  Aug 2021 - Dec 2021

  Lecturer

  Worked as a lecturer in Image Recognition and Computer Vision. The course I taught covered the topics: Introduction to computer vision, digital images and digital videos; neural networks review; convolutional neural networks; image recognition; object detection; semantic segmentation; face recognition. The classes included demonstrations using Pytorch.

• 

  ENGESOFTWARE TECNOLOGIA S.A.

  Apr 2022 - Jun 2022

  Data Scientist

  Worked in the development of artificial intelligence systems, from the data preprocessing to making them available for consumption via APIs.

• 

  First Decision

  Jul 2022 - Nov 2023

  Data Scientist

  Worked with natural language processing (NLP). Implemented text recommendation systems making use of both classic methods, such as BM25 and TF-IDF, and deep-learning-based methods, such as Bidirectional Encoder Representations from Transformers (BERT).

• 

  Banco do Brasil

  Dec 2023 - now

  IT Analyst

  Works mainly as a data scientist, helping decision makers extract more meaningful business and cybersecurity insights from data, in order to take more conscious and informed decisions regarding fraud detection and prevention.