Joshua Hu

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AI/ML Engineer · 20, Buffalo, NY

I build multi-agent systems, from cost-aware orchestration research to production tooling running in university classrooms.

NeurIPS '25 workshop paperCornell Tech AI fellow '26AWS AI/ML ScholarsTooling adopted by UB CSE courses

NeurIPS '25 workshop paper
Cornell Tech AI fellow '26
AWS AI/ML Scholars
Tooling adopted by UB CSE courses

Experience

Projects

all projects

StructStudio

Interactive code-visualization platform rendering real-time simulations of Trees, Heaps, and Graphs from raw program input. Shipped to production and adopted across theory-level CS courses at the University at Buffalo, including CSE 250 (Data Structures & Algorithms).

Canvas API

Google Analytics

JavaScript

Playwright

React

Live

Source

−12%

inference cost-per-success vs. PPO baseline (24.30 → 21.40)

LoRA-Guided PPO

NeurIPS 2025 Workshop paper (second author) on cost-aware multi-agent orchestration: a budget-aware controller learns which sub-agents to invoke on ToolBench, holding 100% task success.

LoRA

Multi-Agent

PPO

PyTorch

Reinforcement Learning

Paper

Source

Languages

Python

Java

JavaScript

TypeScript

SQL

KQL

AI / ML

PyTorch

TensorFlow

scikit-learn

LangChain

FAISS

RAG

LoRA

PPO

Web

React

Next.js

Node.js

Express

REST APIs

WebSockets

Tools

Git

Docker

AWS

PostgreSQL

Vercel

Microsoft Fabric

Concepts

Multi-Agent Systems

Agent Orchestration

Evaluation Frameworks

AI Guardrails

Vector Databases

Let's talk

Open to internships, research collaborations, or just talking multi-agent systems. Email is the fastest way to reach me.

Experience

Breakthrough Tech @ Cornell Tech

Linde

Algoverse

University at Buffalo

Amazon Web Services

Data Science & Machine Learning Club, UB

Projects

StructStudio

LoRA-Guided PPO

Let's talk

Hello, I'm Josh 👋

Experience

Breakthrough Tech @ Cornell Tech

AI Fellow (Incoming)May 2026 - Apr 2027Year-long Cornell Tech AI fellowship; industry challenge project with companies like Google and Snowflake.

Linde

Software Engineering InternMay 2026 - PresentCut ~60-70% of planned custom dev by re-platforming reporting onto Microsoft Fabric; 3.17B-row telemetry migration.

Algoverse

LLM Researcher InternMay 2026 - PresentBuilding an LLM eval framework for multi-agent tool-calling cost vs. quality; paper under review.

LLM Researcher Intern (Columbia, Meta FAIR, UofT, St. Jude Children's Research Hospital)May 2025 - Sep 20252nd author on a NeurIPS 2025 Workshop paper: -12% inference cost at 100% task success on ToolBench.

University at Buffalo

Software Engineering Intern (CSE Department)Jan 2026 - PresentScaling a code-tracing platform (800+ students, 15,000+ submissions) toward multi-university rollout.

Teaching AssistantAug 2025 - Present453+ students supported; mentee exam scores ~20% above class median.

Amazon Web Services

AI & ML Scholars (Agent Developer Track)Aug 2025 - Nov 2025Top ~3% of 50,000+ participants; built a Bedrock claims-triage agent (+25% compliance pass rate).

Data Science & Machine Learning Club, UB

Founder & PresidentJun 2025 - PresentFounded and grew the club to 120+ members; speakers sourced from Vercel, Amazon, and Google.

Projects

StructStudio

LoRA-Guided PPO

Let's talk