John Prothero
Lead Machine Learning Engineer at Capital One
Leesburg, Virginia, United States
Summary
👤
Senior🎓
Top SchoolJohn Prothero is a Lead Machine Learning Engineer with eight years of hands-on experience building production ML systems and cloud-native data pipelines, now based in Leesburg, VA. He has deep expertise on Google Cloud Platform tooling, PyTorch models (Transformers, LSTM, CNN), and end-to-end deployment patterns including Flask/Gunicorn/Celery services and GPU-accelerated training. At 4DV Analytics he scaled terabyte geospatial workflows, built geospatial labeling and interactive visualization apps, and created ML-driven ranking, anomaly detection, and uncertainty-aware trajectory prediction. He pairs strong engineering discipline with product sensibility—shipping APIs, batch tools, and even RAG/LLM-to-SQL integrations to make complex analytics accessible. Currently leading ML at Capital One, he blends research-caliber modeling with pragmatic productionization and documentation practices. Outside core ML, his background spans web and UX development, which helps him bridge user-facing tools and backend systems.
8 years of coding experience
9 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Georgia Institute of TechnologyBachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at SUNY BrockportAssociate’s Degree Game Programming and Design, Associate’s Degree Game Programming and Design at Finger Lakes Community College
Github Skills (5)
pytorch4
machine-learning1
artificial-intelligence1
deep-learning1
unity3d1
Programming languages (2)
Github contributions (5)
jprothero/MCTSnet
Mar 2018 - Jun 2018
Implementation of MCTSnet
Contributions:86 commits, 1 PR, 78 pushes in 3 months
pytorch
jprothero/AlphaZeroEnas
Apr 2018 - May 2018
Contributions:121 pushes, 5 branches in 19 days
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