Douglas Trajano
Sr Lead Data Scientist
Rio Grande do Sul, Brazil
Summary
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Top SchoolDouglas Trajano is a Sr Lead Data Scientist with 8+ years building production-grade AI/ML systems across enterprise HR, finance, and consumer products from Brazil’s Rio Grande do Sul. He currently leads the OneAI team at ADP, designing the ADP Analytics Assist conversational Compound AI and implementing robust ML engineering practices, evaluation frameworks, and hybrid search solutions that combine OpenSearch with LLMs. Previously he accelerated chatbot and ASR capabilities at Sicredi—processing millions of messages and tens of thousands of calls monthly—and led ML platforms and real-time pipelines for HP’s OMEN Gaming Hub, cutting compute costs dramatically. Comfortable across cloud providers and MLOps stacks (AWS, Azure, GCP, Databricks, MLflow), he blends hands-on model development with team mentorship and governance. Notably, he couples research credentials (MSc CS) with practical tooling work—shipping observability, semantic versioning, and security automation—to make generative and conversational AI safe and reliable in production.
7 years of coding experience
8 years of employment as a software developer
Master’s Degree - MSc Computer Science, Master’s Degree - MSc Computer Science at Pontifícia Universidade Católica do Rio Grande do SulEstácio de Sá University
English, Spanish, Portuguese
Github Skills (200)
transformers10
apache-spark10
language-model10
python10
annotations10
model-management10
flax10
datasets10
deep-learning10
speech10
k8s10
mlflow10
ml10
ai10
transformer10
Programming languages (14)
Github contributions (5)
DougTrajano/excel-sql-runner
Apr 2021 - Sep 2022
Data App to run SQL into excel files. :)
Contributions:1 release, 52 commits, 26 PRs in 1 year 5 months
data-appmysqlsqlsqlite3streamlit
DougTrajano/ds-drl-bananas-collector
May 2020 - Oct 2022
Repository for my project (Bananas Collector) with Deep Reinforcement Learning
Contributions:18 commits, 5 PRs, 24 pushes in 2 years 5 months
deep-learningreinforcement-learningbananasdeep-reinforcement-learningreinforcement
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