Luis Felipe Freitas Data Scientist/Machine Learning Engineer

AI Engineer

BairesDev

Nov 2023 - Current (2 years 6 months)

• Developed and optimized prompt-based pipelines for generating and validating dietary meal plans, ensuring adherence to strict user dietary requirements and preferences. • Designed modular, context-sensitive prompts that dynamically adjust outputs to reflect patient-specific health data, dietary restrictions, caloric goals, and ingredient preferences. • Created automated validation processes using structured XML prompt templates to verify output accuracy and reduce human oversight, achieving a 70% decrease in manual review requirements. • Conducted extensive testing scenarios (True Negative, False Positive, False Negative) to enhance model reliability, identifying common validation issues and refining prompt structures for higher accuracy.

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Senior Machine Learning Engineer

Open Access Ventures

Mar 2023 - Nov 2023 (9 months)

• Examined patterns in data extracted from multiple APIs and performed analysis based on the business product. • Analyzed the correlation of data points and generated reports for investors to assist in product definition. • Designed a model to detect and classify anomalies in cryptocurrency transactions. • Implemented machine learning models in a real-time inference endpoint (AWS). • Applied the isolation forest (iforest) model to identify patterns in information and create a scoring system based on those insights. Additionally, utilized Vertex AI to manage the full lifecycle of large language models (LLMs) and machine learning solutions, including training, deploying, and orchestrating models for applications such as retrieval-augm

Course Instructor

Crehana

May 2022 - Nov 2022 (7 months)

- Developed comprehensive teaching materials for various courses, including a Machine Learning course that emphasized supervised learning techniques and a business-focused artificial intelligence course featuring practical case studies. Utilized classification, neural networks, and computer vision examples to illustrate real-world applications in business contexts. - Leveraged software engineering principles to present and develop code, ensuring adherence to best practices in Python and machine learning, which enhanced the learning experience and provided students with a solid foundation in both theoretical and practical aspects of the subject matter.

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Digital accelerator coordinator

ANAC - Agência Nacional de Aviação Civil

Mar 2020 - Mar 2023 (3 years 1 month)

- Influenced key business decisions to proactively optimize processes, projects, and regulatory necessities using data science and machine learning techniques. - Trained object detection models to identify and distinguish similar objects in photos and videos (e.g., glasses and sunglasses) using Python, coordinating all processes with over 10,000 real-life images and achieving 78.11% mAP and 76.88% SaP. - Managed ML models end-to-end, from training to deployment, while conducting research and development of NLP and Computer Vision models. - Partnered with professionals from various areas of the organization to understand and optimize business processes using artificial intelligence. Applied supervised and unsupervised learning, computer v

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Civil Aviation Regulation Technician

ANAC - Agência Nacional de Aviação Civil

Nov 2016 - Nov 2022 (6 years 1 month)

- Perform risk assessment routines in the IT department, identifying and evaluating hazards, and then suggesting a mitigating strategy to be implemented by the technical team. - Manage IT projects from beginning to end, understanding the needs of the business area and ensuring alignment with enterprise goals while providing IT-based solutions. - Provide AI/ML solutions to optimize business process models, audit databases that include images, and create an innovative environment within the areas. - Analyze data forms (architecture), storage, transfer, and representation to improve performance for clients, users, and business areas. - Collaborate and contribute with other engineers and senior managers to facilitate the creation of busines

Luis Felipe Freitas

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