👋 Hi, I’m Xijing Zhang
🎓 I'm currently pursuing a Master's degree in Computer Software Engineering at Northeastern University.
🚀 I specialize in Full-Stack Development, Cloud Infrastructure, Distributed Systems, Generative Models, and Deep Learning.
May 2025
Demand Forecasting & Safety Stock CalculatorForecasted daily product demand using AutoARIMA and calculated safety stock based on forecast uncertainty, using a real-world dataset.
April 2025
Rossmann Sales ForecastingImplemented SARIMAX, Prophet, LightGBM, and Neural Network models to forecast store sales and compare performance using RMSPE.
February 2025
Kiwi Search EngineBuilt a Google-style search engine with crawling, indexing, and PageRank-based ranking using Flask and Python.
August 2024
RAG ChatbotDeveloped an AI chatbot integrating Llama 3, intent classification, and a hybrid retrieval system to automate internal support workflows.
May 2024
EmergencyAI – Multi-Agent Medical AssistantBuilt a full-stack LLM-based platform using 12 fine-tuned agents to assist doctors in diagnosis and treatment planning, hosted on AWS with a Flask backend.
February 2024
Spiking Neural Networks DemoSimulated the Leaky Integrate-and-Fire (LIF) neuron model using Python to demonstrate concepts in neuromorphic computing.
August 2023
TaskHub – To Do List AppiOS task management app built with Swift & SwiftUI featuring custom reminders, cross-device sync, and productivity-focused UI.
May 2023
Attendance AppiPadOS attendance tracker with secure local backend (Vapor), enabling fast in/out logging, reporting, and on-site sync.
February 2023
Mars Mission GameA 2D iOS game built with SpriteKit that challenges users to land a spacecraft safely on Mars through physics-based gameplay.