Oscar Mcnulty
Staff ML Engineer - Maps at Uber
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolOscar Mcnulty is a Staff Machine Learning Engineer at Uber with 11 years of experience building large-scale geospatial and search systems that power millions of queries per second. He specializes in search relevance, recommender systems, and transformer-based semantic models, and has led initiatives that replaced third-party mapping providers—delivering $100M+ in annual cost savings and $60M+ in bookings uplift. Oscar designs end-to-end solutions from embedding generation and vector retrieval to high-throughput ranking and observability, and led the global launch of Uber’s in-house reverse geolocation across 12+ countries. His background in aerospace engineering and applied mathematics informs a rigorous, systems-first approach to model evaluation and localization, and he’s known for stabilizing mission-critical pipelines to 100% uptime. Based in San Francisco, he combines hands-on production coding in Scala/Java/Python with cross-functional leadership across product, legal, and infra to drive measurable business impact.
11 years of coding experience
8 years of employment as a software developer
The University of SydneyHigh School, Graduated as Dux with an ATAR of 99.55, High School, Graduated as Dux with an ATAR of 99.55 at Scotch College, Perth
Stackoverflow
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Github Skills (22)
bounding-box10
python10
automotive10
reverse-engineering10
r9
data-mining9
kaggle9
lightgbm9
point-cloud9
decision-tree8
classification8
3d8
machine-learning8
gradient-boosting8
parallel8
Programming languages (4)
Github contributions (5)
oscarmcnulty/openpilot
Nov 2023 - Jun 2026
openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
Contributions:152 pushes, 4 branches in 2 years 6 months
cruisecontroldriver
oscarmcnulty/gta-3d-dataset
Oct 2017 - Jun 2022
A dataset of 2D imagery, 3D point cloud data, and 3D vehicle bounding box labels all generated using the Grand Theft Auto 5 game engine.
Contributions:9 commits, 7 pushes, 1 branch in 4 years 8 months
3dbounding-boxgame-enginepoint-cloud
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