Arnau Casanovas
Verified Expert in Engineering
Data Scientist and Full-stack Palantir Foundry Developer
Barcelona, Spain
Toptal member since October 27, 2025
Arnau is a senior data scientist with seven years of experience, specializing in data engineering and analytics. He is passionate about creating data-driven solutions that deliver measurable and high-impact business value. Arnau is also a full-stack Palantir Foundry developer with six years of end-to-end experience on the platform, from data ingestion and transformation to front-end applications and AI/ML workflows, including AIP. He will be a great addition to any team.
Portfolio
Experience
- Analytics - 16 years
- Research - 14 years
- Python 3 - 10 years
- Palantir Foundry - 7 years
- Palantir - 7 years
- Spark - 7 years
- SQL - 6 years
- Databricks - 2 years
Preferred Environment
MacOS, Palantir Foundry, Databricks, Visual Studio Code (VS Code), Python
The most amazing...
...thing I've done is refactor a pipeline, reducing costs to 10%.
Work Experience
Senior Software Engineer
EPAM Systems
- Headed a team of six to nine developers on Palantir Foundry as the technical lead.
- Developed an end-to-end pipeline that merged multiple data sources for the front end.
- Implemented an AIP large language model (LLM) workflow to generate benchmarks for clinical trials.
Data Science Consultant
Accenture
- Developed an optimization engine that reduced decision-making time from hours to seconds.
- Worked across various industries, including aerospace, banking, and trucking.
- Built end-to-end applications using Palantir Foundry, from data ingestion to a Slate app with write-backs.
Experience
Optimization Engine
Education
PhD in Theoretical and Computational Physical Chemistry
University of Barcelona - Barcelona, Spain
Bachelor's Degree in Physics
University of Barcelona - Barcelona, Spain
Bachelor's Degree in Chemistry
University of Barcelona - Barcelona, Spain
Certifications
Databricks Certified Associate Developer for Apache Spark 3.0
Databricks
Microsoft Certified: Azure Data Scientist Associate
Microsoft
Skills
Languages
Python 3, SQL, TypeScript, Python
Platforms
Palantir Foundry, MacOS, Databricks, Visual Studio Code (VS Code), Azure
Frameworks
Spark
Other
Palantir, Analytics, Research, Analysis, Programming, Data Engineering, Optimization, Artificial Intelligence (AI), Machine Learning, Physics, Chemistry, Foundry, Big Data
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