Soham Tiwari

ML @ AppZen | CMU LTI Grad | Ex-Apple

Role
Data Scientist 2 at AppZen
Location
San Jose, CA, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Soham Tiwari

I am grateful to have begun my Master of Science in Intelligent Information Systems at…

Experience

  1. Data Scientist 2

    AppZen

    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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Soham Tiwari — Data Scientist 2 at AppZen in San Jose, CA, US | Unifers