Pebertli Barata
Machine Learning Engineer
Porto
Summary
Passionate Software Developer with 17+ years of experience in Graphics stack, Computer Vision and Machine Learning. Achieved a PhD degree and Maters Degree in Machine Learning conducting researches in Educational and Serious Games. Delivered Remote, mobile and Desktop Applications for Industry, government and schools. Skilled in Python, C++, C#, Unity3D, PyTorch.
Overview
19
19
years of professional experience
11
11
years of post-secondary education
3
3
Languages
Work History
Machine Learning Engineer
CGTrader
Lithuania
11.2021 - Current
- Engineered CGDream's core functionality, utilizing Stable Diffusion, LoRAs, and ControlNet for diverse applications in Text2Img, Img2Img, and advanced image upscaling.
- Trained and deployed over 1,000 LoRAs models for research and production, significantly enhancing model performance and applicability.
- Developed and fine-tuned high-accuracy image classification models, including specialized model for NSFW content detection.
- Led innovation in 3D content generation from text and image inputs, setting new standards for content creation.
- Advanced multimodal model integration, optimized embeddings database, implemented k-NN quantized search, and improved image segmentation and LLM interrogation techniques.
- Managed robust AWS cloud infrastructure, optimizing ECS and S3 for scalability
Expert Graphics Software Engineer
Capgemini
Portugal
04.2019 - 11.2021
- Development of a Full Digital Cluster for BMW, showcasing advanced applications of machine learning in automotive interfaces.
- Developed OpenGL layers for Human-Machine Interfaces and automated computer vision tests for symbol and value recognition in automotive clusters, enhancing user interaction and system reliability.
- Created Synthetic Data Software to train and validate autonomous systems, leveraging machine learning to improve accuracy and efficiency of autonomous vehicle technologies.
- Led deep learning and computer vision meetups, sharing expert knowledge and fostering community engagement among professionals in field.
- Mentored junior engineers and colleagues on deep learning and computer graphics, demonstrating leadership in nurturing next generation of ML engineers.
- Demonstrated proficiency in a wide range of technologies including C++, OpenCV, OpenGL, Python, PyTorch, Unity3D, Integrity RTOS, Autosar, with project management using Git, Jira, and Scrum.
Senior Software Engineer
Court Of Justice Of The State Of Pará
Brazil
01.2012 - 03.2019
- Engineered Android native mobile application for public access to judicial lawsuits, offering streamlined platform for citizens to consult processes and judgments from Court.
- Created RESTful APIs serving as backbone for mobile app and various front-end systems of Court, enabling unified data access across five distinct databases.
- Led consolidation of Business Intelligence Group, managing and utilizing Oracle BI, Microsoft PowerBI, and databases including Oracle DB, PostgreSQL, and MySQL to enhance data-driven decision-making.
- Initiated development of Sentiment Analysis Machine Learning tool aimed at pre-classifying lawsuits, demonstrating innovative application of ML in legal proceedings.
Senior Software Engineer
Federal University Of Pará
Brazil
01.2011 - 03.2015
- Developed proprietary Virtual Reality authoring software using C++ and frameworks like Ogre3D, Qt, FMOD, and ffmpeg, enabling industrial workers to create virtual simulations and training modules without programming skills. This tool significantly enhanced operational and maintenance training for electrical equipment, leading to safer and more efficient real-world procedures.
- Led creative team of 3D modelers and sound designers, primarily composed of graduate students, fostering collaborative and innovative development environment.
- Worked closely with cross-functional team of Electrical Engineers, Mathematicians, and Physicians to integrate cutting-edge educational tools into software, ensuring multidisciplinary approach to virtual training.
- Contributed to academic and professional community by publishing two articles in prestigious international journals and securing registration with Brazil Software Register Office, highlighting software's innovation and impact.
Substitute Professor
Federal University Of Pará
Brazil
01.2014 - 07.2014
- Instructed undergraduate Computer Engineering course on Computer Graphics for one semester, focusing on fundamental concepts and practical applications within graphics pipeline using OpenGL and Unity3D, as per student interest. The course culminated in final project where students were tasked with developing computer graphics software, leading to notable achievements, especially in creation of educational games in Unity, demonstrating proficiency across multiple stages of graphics pipeline.
Senior Software Engineer
Eletronorte S.A.
Brazil
02.2013 - 03.2014
- Developed comprehensive automation system for managing test and calibration procedures of electrical equipment, utilizing Java and Struts. This system facilitated truly automated management across all company departments, including operations, finance, and human resources, streamlining processes and enhancing efficiency.
Junior Software Engineer
Federal University Of Pará
Brazil
01.2005 - 01.2011
- Developed and released free educational 3D game on a significant historical event in Brazil, incorporating custom path-finding algorithm using C++ for enhanced gameplay.
- Engineered virtual simulations for start and stop procedures of hydroelectric turbine using C++ and OpenSceneGraph, incorporating physical equations to control simulations. This tool is utilized by college professors to elucidate electrical phenomena within such equipment, enhancing educational experience.
- Created virtual laboratory for wind power generators connected to electrical network with C++ and OpenSceneGraph, featuring modules for analyzing frequency response through graphs and simulating faults like short circuits and overvoltage. This platform aids Electrical Engineering students in understanding behavior of wind power systems under various conditions.
Education
Ph.D. - Machine Learning
Federal University of Pará
Brazil 02.2011 - 05.2015
Masters of Engineering - Machine Learning
Federal University of Pará
Brazil 11.2008 - 09.2010
Bachelor of Engineering -
Federal University of Pará
Computer Engineering 07.2003 - 10.2008
Skills
Object-Oriented Programming
API Development
Deep Learning Algorithms
Semantic Segmentation
Virtual Reality development
C, C#, Python
Pytorch, Transformers, OpenCV, Langchain
Computer Vision Multimodal Generative AI
Timeline
Machine Learning Engineer
CGTrader
11.2021 - Current
Expert Graphics Software Engineer
Capgemini
04.2019 - 11.2021
Substitute Professor
Federal University Of Pará
01.2014 - 07.2014
Senior Software Engineer
Eletronorte S.A.
02.2013 - 03.2014
Senior Software Engineer
Court Of Justice Of The State Of Pará
01.2012 - 03.2019
Ph.D. - Machine Learning
Federal University of Pará
02.2011 - 05.2015
Senior Software Engineer
Federal University Of Pará
01.2011 - 03.2015
Masters of Engineering - Machine Learning
Federal University of Pará
11.2008 - 09.2010
Junior Software Engineer
Federal University Of Pará
01.2005 - 01.2011
Bachelor of Engineering -
Federal University of Pará
07.2003 - 10.2008