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Murilo Costa
Looking for a jobData Scientist
Data Scientist at VOLVO improving truck safety issue classification from 69% to 93%.
BrazilData Scientist at VOLVO
Experience
Data Scientist
—Design and implement Generative AI and NLP solutions for trucks' safety issues analysis, building pipelines for preprocessing, embeddings, vector retrieval, and LLM-driven classification (Python, PySpark, SQL, Databricks, Delta Lake). — Improved top-1 classification accuracy from 69% (RoBERTa) to 93% (GPT) across 74 issue categories, validated on 3,000 engineer-labeled automotive cases.
Senior Data Engineer
—Led the end-to-end migration of Volvo's complete Quality & Warranty Analytics platform from SAS to Microsoft Azure (Databricks, ADF, SQL Server, Delta Lake). —Reduced total processing time by more than 70 hours/month through incremental loading, Spark/SQL optimization, improved join strategies, and better cluster utilization. —Defined architecture standards, reusable development patterns, data-qu
SAS Developer
Worked as SAS Developer at Volvo Group.
SAS Developer
—Built and optimized SAS/SQL ETL pipelines for automotive quality, warranty, diagnostics, and parts distribution, including data from Volvo and Mack Trucks U.S. distribution centers; investigated production incidents and supported business-critical workflows with international teams.
SAS Developer Intern
Worked as SAS Developer Intern at Volvo Group.