Shikhar.dev

Hi, I'm Shikhar Johri. A passionate Data Scientist based in New York.📍

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about me

An innovative Data Scientist exploring AI and Quantitative Research 📍

Specialized in leveraging Machine Learning, AI, and statistical tools to solve complex challenges. Experienced across finance, healthcare, and research, with impactful roles at Barclays and TCS. At Columbia University, I focus on fraud detection, algorithmic trading, and personalized AI assistants.

Experience

  1. Barclays

    Data Science Intern

      • Automated quality validation for 10K+ datasets, improving efficiency.
      • Developed a LLaMA-based metadata analysis tool, ensuring $100K savings.
      • Streamlined Monthly Business Review process, reducing analyst effort by a week.
  2. Tata Consultancy Services

    Data Scientist

      • Accelerated blood sample analysis to 800ms using YOLOv4, saving $400K annually.
      • Developed catheter inspection system with Meta Detectron2, increasing precision by 25%.
      • Built tools to convert 2D CT scans into 3D visualizations, enhancing diagnostics.
  3. Data Engineer

      • Deployed a 40TB AWS data lake with ETL pipelines for Genentech.
      • Developed a sales analysis tool generating $2M+ in revenue within one quarter.
      • Reduced storage costs by 90% through tiered data distribution.
      • Led research in NLP-based report summarization and employee recommender systems.
  4. Thapar University

    Data Science Research Intern

      • Published Adaptive Ensemble Model for COVID-19 diagnosis with 98% accuracy.
      • Discovered genetic biomarkers for Multiple Sclerosis using feature analysis.
      • Introduced a TensoPIT Bloom Filter with Kalman forecasting for real-time data caching.
  5. NE Big Data Hub

    Graduate Student Assistant

      • Led the Covid Information Commons team on pandemic policy response inference.
      • Developed dashboards and visualizations to advance data science research.

Portfolio

Each project is a unique piece of development 🧩

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Algorithmic ML Trading Strategy

  • Backtested a model achieving a 29.48% ROI for ETF stock prediction.
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Credit Card Fraud Detection

  • Explainable AI-based model using AutoML and NLP techniques.
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GenAIJudge

  • GPT-4 powered policy evaluation tool for sustainability efforts.
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MTA-Commute-Pal

  • Optimized travel with predictive modeling using NYC MTA data.
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Contact

Don't be shy! Hit me up!

New York, NY

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