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machine-learning Articles

24 articles

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Lyft logoLyft
61 min read
Machine Learning•2025-10-07

My Starter Project on the Lyft Rider Data Science Team

This post describes a Lyft data scientist's starter project using the Rider Experience Score (RES) tool to estimate long-term causal effects of rider experiences on retention without relying on A/B tests.

causal-inference
data-science
rideshare
machine-learning
artifical-intellegence
Lyft logoLyft
101 min read
Culture•2025-08-14

Intern Experience at Lyft

Two Lyft Data Scientists share their intern-to-full-time journeys, highlighting impactful data science projects in EV adoption and driver loyalty.

lyft
machine-learning
internships
causal-inference
Paypal logoPaypal
41 min read
Data Engineering•2024-02-21

Leveraging Spark 3 and NVIDIA’s GPUs to Reduce Cloud Cost by up to 70% for Big Data Pipelines

PayPal shares how they reduced Apache Spark job cloud costs by up to 70% by migrating from CPU-based Spark 2 to GPU-accelerated Spark 3 using NVIDIA's Spark RAPIDS.

cloud-computing
gpu
big-data
machine-learning
apache-spark
Paypal logoPaypal
51 min read
Machine Learning•2023-12-11

Declarative Feature Engineering at PayPal

PayPal describes their declarative (config-based) feature engineering paradigm used for real-time fraud detection ML across 400 million users.

engineering
declarative-programming
feature-engineering
paypal
machine-learning