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Achievements

Achievement: Pull Sharkx2Achievement: Pair Extraordinairex2Achievement: YOLO

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naijei1/README.md

CORNELL ENGINEERING · COMPUTER SCIENCE '28

Hey, I'm Naijei 👋

Backend engineering   /   Distributed systems   /   AI + XR

Connect on LinkedIn Email Naijei Explore my repositories

/ about

I'm Naijei Jiang, a CS student at Cornell. I like figuring out how systems fit together—from distributing file chunks across peers to connecting computer vision with hardware.

  • 🛠️ Previously @ GEICO — Kafka schema infrastructure with Terraform and AI agent workflows for claims operations.
  • ⚡ Tech lead @ Cornell Data Science — peer-to-peer file distribution and compute infrastructure for ML.
  • 🎓 CS 2110 TA — teaching Java, data structures, and software design.
  • 🌱 Learning now — Rust and distributed systems.

/ selected work

🌐 Distributed Downloader

Peer discovery. Parallel transfers.

Tech lead for a peer-to-peer file downloader. A tracker coordinates live peers while clients stream chunks from multiple machines in parallel over gRPC.

Java Spring Boot gRPC Protobuf

Explore the system →

⚡ CDS Compute Cluster

Six nodes. Shared compute for AI.

Configured scheduling and shared storage for a six-node cluster supporting AI workloads. Built a health dashboard to monitor CPU/GPU usage and node status.

Linux Slurm NFS Docker

Explore the infrastructure →

📍 Gnarly

Scan it. Connect it. Walk it.

An indoor navigation ecosystem with an iPhone LiDAR mapper, a web editor to connect zones across rooms and floors, and live AR guidance. Scanning and navigation run on the phone, with Firebase map sharing and no hardcoded routes.

Swift ARKit Unity React Firebase

Code →   Watch it in action ↗

🥁 GroovyAR

🏆 1st Place Overall · Cornell Makeathon 2026

An AR drum trainer with camera-based drumstick tracking and real-time visual cues. Connects mobile controls, a Flask backend, and an OpenCV runtime through WebSockets.

Python OpenCV React Native Flask

Code →   Watch it in action ↗

👁️ Seeround

🏆 Best Hardware Hack · Cornell Makeathon 2025

A wearable assistive-device prototype combining computer vision, distance sensing, and spatial audio to help visually impaired users navigate indoor spaces.

Python OpenCV Raspberry Pi

Code →   Watch it in action ↗

🥽 VR Bioprinting

Learning through interaction.

Led development of an interactive VR bioprinting simulator for education research with RIT. Built virtual interactions and 3D assets to help users explore bioprinting concepts.

C# Unity Blender

Explore the research project →

/ toolkit

Languages I work with

Java Python C TypeScript JavaScript C sharp OCaml SQL

Backend & systems · Spring Boot gRPC Protocol Buffers Flask Node.js Kafka

Infrastructure · AWS Terraform Docker Linux Slurm NFS Git

Databases · DynamoDB MongoDB PostgreSQL

Web & mobile · React Next.js React Native HTML/CSS Tailwind CSS

ML & vision · OpenCV scikit-learn NumPy pandas

XR & hardware · Unity Blender Raspberry Pi

🧗 Outside of code: rock climbing, running, and learning Chinese.

Pinned Loading

  1. CornellDataScience/distributed-downloader CornellDataScience/distributed-downloader Public

    LAN-first peer-to-peer distributed downloader for game/software installs and updates

    Java 3

  2. GroovyAR GroovyAR Public

    Forked from Cyberninja101/Groovy

    AR-assisted real-time drumming trainer that maps songs to timed percussion cues, 🏆 1st place overall at Cornell Makeathon

    Python