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SanjayNalluri/README.md

Hi, I'm Sanjay

I study Industrial and Systems Engineering at IIT Kharagpur. Most of my projects are about supply chain and operations problems: forecasting demand, planning stock and staff, designing warehouse networks and routing deliveries.

JEE Advanced 2024: All India Rank 1409

Projects

Project What it does Result Tools
Warehouse Demand and Staffing Forecasts picking workload and tests staffing plans and shift patterns Late work 6.4% → 0.9% in back-test Python, LightGBM, SimPy, Arena · live app
DeliveryLens On-time delivery analysis of 96,018 e-commerce orders 3.4% of sellers caused half of late orders SQL Server, Power BI
DemandIQ Demand forecasting and reorder policies for Walmart items WAPE 30.9% → 23.3%, 22.5% less safety stock Python, statsmodels, XGBoost
LastMile Delhi Truck routing under Delhi's no-entry rules Rules add 2 trucks, ~8% cost Python, OR-Tools
HubShift India Warehouse network design after GST 22–28% lower modelled cost Python, PuLP, Streamlit · live app
Ops Chat Ask the DeliveryLens data questions in plain English 86.7% on 60 unseen questions Python, LLM, FastAPI, React · live app

Tools I use: Python (pandas, statsmodels, XGBoost, PuLP, OR-Tools, SimPy), SQL, Power BI, Excel, PowerPoint, Rockwell Arena, Git

Looking for a Summer 2027 internship in supply chain, operations or analytics. CV (PDF) · LinkedIn · sanjaynalluri86@gmail.com

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  1. warehouse-demand-forecast warehouse-demand-forecast Public

    Forecast warehouse pick workload 7 days ahead (LightGBM) and plan picker shifts (SimPy + Arena); FastAPI + React on Vercel

    Python

  2. deliverylens-delivery-analytics deliverylens-delivery-analytics Public

    Why online orders arrive late: SQL Server + Power BI analysis of 96K Olist e-commerce orders (seller vs courier delay, regions, peak months, impact on reviews)

    Python

  3. demandiq-forecasting-inventory demandiq-forecasting-inventory Public

    Demand forecasting (ETS + XGBoost) and inventory optimization on Walmart M5 data

    Python

  4. lastmile-delhi-routing lastmile-delhi-routing Public

    Daily delivery routes for 92 Delhi supermarkets under the official no-entry rules (OR-Tools, OSRM, OpenStreetMap). Puts a ₹ figure on what the rules cost and what EVs would save.

    Python 1

  5. hubshift-india-network-design hubshift-india-network-design Public

    Post-GST distribution network redesign for India: MILP + Streamlit

    Python

  6. ops-chat-assistant ops-chat-assistant Public

    Text-to-SQL assistant for delivery data: plain-English questions to safe, read-only SQL, tested on 60 held-out questions and 25 attack prompts

    Python