
Guilherme Morais
Verified Expert in Engineering
Data Scientist and Developer
Parede, Portugal
Toptal member since March 25, 2022
Guilherme is a data scientist motivated by problem solving and an engineer experienced in the Python stack for machine learning. He develops reproducible and sustainable code with comprehensive documentation. Guilherme is also well-versed in project management with a track record of delivering enabling solutions on time. He excels at understanding the needs of cross-functional stakeholders and working collaboratively in international environments.
Portfolio
Experience
- Data Visualization - 8 years
- Software Development - 6 years
- Technical Documentation - 6 years
- Machine Learning - 5 years
- Data Science - 5 years
- Visual Studio Code (VS Code) - 5 years
- Python - 5 years
- Amazon Web Services (AWS) - 3 years
Availability
Preferred Environment
Python, Amazon Web Services (AWS), Visual Studio Code (VS Code), Slack, GitHub
The most amazing...
...model I've created enabled community health workers to identify hypertensive patients with a high risk for severe complications.
Work Experience
Data Specialist
Loggi
- Implemented an end-to-end data pipeline on AWS for external data consolidation.
- Optimized insurance-related pricing to balance costs and market prices.
- Created a quasi-experimental design (interrupted time series) to assess customer behavior.
- Implemented a pipeline for customization of pricing tables based on client segmentation.
Data Scientist
Hospital Albert Einstein
- Recruited and mentored several data scientists for a project with the Ministry of Health.
- Created models for sedentarism, chronic diseases, socioeconomic indexing, and death certificates.
- Implemented and deployed a Kubernetes-based platform on AWS for big data projects.
- Developed a Python package with refactored code for data science in healthcare.
Research Associate
University Hospital Tübingen
- Applied machine learning toward brain-computer interfaces within a clinical environment.
- Implemented a pipeline for data preprocessing, hyperparameter tuning, and model selection.
- Analyzed data statistically and translated it to visualizations to ensure outcomes reliability.
Research Collaborator
Federal University of ABC
- Designed experiments, performed statistical analyses, and generated visualizations.
- Developed a publicly available toolbox that has 100+ literature citations.
- Documented and published ten peer-reviewed papers, including two as the first author.
Development Engineer | Territory Manager
NIRx Medical Technologies
- Developed software for data acquisition and real-time visualization.
- Optimized real-time data streaming, user interface, and measurement stability.
- Communicated with customers, partners, and local distributors in several countries.
- Organized workshops and presentations for multi-background audiences.
- Created technical and business solutions to effectively address user needs and pain points.
- Managed the project and outlined goals oriented toward customer experience.
Master's Thesis
Berlin Institute of Technology
- Applied machine learning techniques for EEG-brain-computer interfaces.
- Implemented features for clustering and penalization with a one-class support vector machine.
- Improved model performance by 80% compared to the original baseline model.
Experience
Prediction of Severe Complications in Patients with Hypertension
Optimization of Pricing Strategies in Logistics Industry
Pipeline for Data Ingestion, Processing, and Consolidation
Package for Data Science Applications in Healthcare
Cloud Platform for Modeling Projects with Big Data
Education
Master's Degree in Biomedical Engineering
Politecnico di Milano - Milan, Italy
Bachelor's Degree in Electrical Engineering
University of São Paulo - São Paulo, Brazil
Skills
Libraries/APIs
Scikit-learn, Keras, XGBoost, Pandas, Dask, TensorFlow
Tools
GitHub, MATLAB
Languages
Python, SQL
Frameworks
LightGBM, Streamlit
Platforms
Amazon Web Services (AWS), Visual Studio Code (VS Code), Docker, Kubernetes
Storage
Data Pipelines
Other
Machine Learning, Data Visualization, Data Science, Predictive Modeling, Data Analytics, Signal Processing, Data Mining, Software Development, Dashboards, Technical Documentation, Artificial Intelligence (AI), Experimental Design, Statistical Analysis, Brain-computer Interface, Data Analysis, Streaming Data, Customer Support, Workshops, Real-time Data, Data Processing, Linear Algebra, Calculus, Artificial Neural Networks (ANN), Optimization, Graphics Processing Unit (GPU)
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