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Projects

A complete project archive spanning distributed AI systems, developer tools, data-intensive applications, and full-stack products.

Concept artwork

LLM Post-Training and Agent Platform

Proxy Loop

A fine-tuned Qwen3-8B agent with a Fast/Slow harness and Temporal-backed durable workflows that act for the user across phone, browser, and email.

PythonQwen3-8BQLoRAPEFT+3

Jul 2026 - Present

Concept artwork

Distributed AI Systems

Conductor

A Kubernetes-native Go runtime for crash-resumable LLM workflows with event-sourced recovery, PostgreSQL leases and fencing tokens, and OpenTelemetry observability.

GoKubernetesPostgreSQLEvent Sourcing+2

Apr 2026 - Jun 2026

Concept artwork

Agent Memory and Evaluation

Engram

A Python MCP memory harness for carrying decisions, project facts, and preferences across AI coding sessions while detecting stale context.

PythonMCPEvent-Driven ArchitectureAgent Memory+2

Jan 2026 - Mar 2026

Concept artwork

Multi-Agent Plugin

FigBrain

An MCP-powered Figma agent that uses a LangGraph supervisor and ReAct tool loops to turn natural-language prompts into FigJam components.

PythonTypeScriptLangGraphMCP+2

Apr 2025 - May 2025

AI/ML & Edge Computing

AI Recognition in Edge Computing & Cloud Native

A KubeEdge and TensorFlow vegetable-recognition system with Django and MQTT management plus a Kubernetes CI/CD pipeline.

KubeEdgeTensorFlowCNNDjango+5

May 2023 - July 2023

Data Visualization & Analysis

Interactive Map Visualization for Taxi Trip Analysis

A Flask, Dash, and Plotly analysis tool for 30.8 million Manhattan taxi trips using PySpark, popularity data, and coordinate estimation.

FlaskDashPlotlyPySpark+5

09/2022-12/2022

Full-stack Development & AI

GeekLib: AI-Enhanced Library Management System

A React and Spring Boot library system with Okta authentication, Stripe late-fee payments, MySQL CRUD, and a GPT-3 assistant.

ReactSpring BootRESTful APIOkta Authentication+7

11/2022-01/2023

Full-stack Development & DevOps

InovicePro: MERN Stack Invoice Management System

A MERN invoice-management system with OAuth and refresh-token authentication, Docker Compose deployment, NGINX load balancing, and structured logging.

MongoDBExpressReactNode.js+9

03/2023-05/2023

Mobile Development & AI

Whales Chat: An Instant Messaging Mobile App

A React Native messaging app with Firebase real-time sync, group chat, end-to-end encryption, and a GPT, Whisper, and Azure TTS voice interface.

React NativeExpoReduxFirebase+7

12/2022-03/2023

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Projects | Simon Xu