Soham Tiwari
ML @ AppZen | CMU LTI Grad | Ex-Apple
- Role
- Data Scientist 2 at AppZen
- Location
- San Jose, CA, US
- LinkedIn followers
- 500 followers
About Soham Tiwari
I am grateful to have begun my Master of Science in Intelligent Information Systems at…
Experience
Data Scientist 2
Feb 2024 — Present · CA, US
Developed an advanced AI-driven fraud detection system that significantly improved the identification of fraudulent travel and expense (T&E) claims, including detection of modified and AI-generated receipts- Fine-tuned Llama-3.2 Large Language Model using LoRA adapters, Graph Convolutional Networks, and Naive Bayes classifiers, boosting fraud detection recall by over 50% compared to previous Decision Tree-based approaches- Designed and scaled a robust ETL architecture utilizing Dask, Kubernetes, and OpenSearch Index, reducing computation time by 200% and greatly enhancing data processing efficiency- Created a scalable Temporal expense receipt processing pipeline automating OCR and information extraction, improving accuracy by 150% than the previous system, and enabled more feature-rich receipt data extraction, further strengthening fraud detection capabilities.
Education
Bombay Scottish School
ICSE
2003 — 2016
Manipal Institute of Technology
BTech Honours - Bachelor of Technology Honours, Computer Science
Carnegie Mellon University
Master of Science - MS, Master of Science in Intelligent Information Systems
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