Developed ML models to detect fraud from user behavior patterns (mouse, keyboard gestures) and browsing data for the Buyer Risk Prevention (BRP) Team. Improved the performance of the production model by 6.96%.
ML Stack: Temporal models such as LSTMs, multi-modal fusion, gradient boosting, and temporal self-attention
Tech Stack: Python, PyTorch, Scikit-learn
[Remote] Research Intern @ Nokia Bell Labs [Jun 2021 - Aug 2021]
Developed a self-supervised framework for extracting features from RF+camera data using contrastive learning. The framework outperformed its supervised counterpart on downstream tasks even with less training data – accepted at IEEE ICC 2022.
ML Stack: Self-supervised learning, contrastive learning, CNNs, multi-modal fusion, and self-attention