Henrique Tostes de Sousa

Machine learning engineer

A3Data•  June 2024 - Present

Designed and implemented end-to-end solutions on AWS with Terraform; Built a websocket and GraphQL architecture for a conversational chat with LLM using Terraform and AWS, achieving agent response times under 3 seconds; Developed a framework for deploying data solutions, reducing POC time-to-market (TTM) by 50% (from 1 month to 2 weeks); Implemented a multi-agent architecture with observability on AWS using Kubernetes; Provided practical support and guidance to 3 team members.

Data Scientist

Carefy•  May 2021 - June 2024

Developed tabular models for classification with clinical data with 80%+ accuracy; Developed NLP model to search medical named entities. Led the development of 3 AI models, including 2 utilizing Deep Learning and generative AI, and 1 for medical image classification. Provided hands-on support and mentorship to 2 team members. 3 endpoints built, following good API construction practices to serve AI models on GCP that serves 5000+ requests/day; ETL 2.3 times faster after rebuilding using Prefect and multiprocessing.