PixelCookie
Shanghai, China

PixelCookie

I'm a

Building intelligent AI agents and exploring the frontier of large language models. Also an indie game developer crafting experiences with Godot engine.

AI Agent EngineerLLM ResearcherIndie Game DeveloperPython DeveloperOpen Source Builder

Experience

My journey so far

Hohai University

BSc Mathematics

2018 – 2022

Undergraduate studies in pure and applied mathematics. Built strong foundations in real analysis, linear algebra, probability theory, and numerical computation.

MathematicsStatisticsProbability

Sun Yat-sen University

MSc Computer Science

2022 – 2025

Graduate research focused on product question answering, large language model applications, and autonomous AI agent systems. Published work on LLM-driven solutions.

LLMAI AgentNLPResearch

Tencent IEG

Intern

2024 – 2025

Interned at the Interactive Entertainment Group. Applied AI and ML techniques to game-related engineering challenges and user experience optimization.

AIGamingMLEngineering

Meituan

Ad Search Algorithm Engineer

2025 – Present

Designing and optimizing ad search ranking algorithms and relevance models for one of China's largest local services platforms.

SearchRankingAdsML

PhD Studies

Doctoral Research (Planned)

2027 – Future

Planning to pursue doctoral studies, deepening research in AI, machine learning, and intelligent agent systems.

AI ResearchMLPhD

Skills

Technologies I work with

AI & ML

Building intelligent agents and exploring the frontier of large language models, RAG pipelines, and prompt engineering.

LLM / Prompt EngAI Agent Frameworks

Languages

Proficient in Python for AI/backend and TypeScript for full-stack web development. Strong foundation in data structures and algorithms.

PythonTypeScript / JSDSA

Tools & Infra

Containerized deployments, CI/CD pipelines, and cloud infrastructure for scalable AI applications.

Docker / DevOps

Creative

Indie game development with Godot engine. Designing mechanics, narratives, and interactive experiences from scratch.

Godot / GDScriptGame Design

Projects

Things I've built

HotRecForCTR

A modular CTR prediction framework implementing ranking models like LR-GBDT and Factorization Machines. Features a registry-based architecture, custom TorchPrint for model analysis (FLOPs, MACs, memory), and trains on the Criteo dataset for ad click-through rate prediction.

PythonPyTorchLightGBMCTRRecommendation

AI Agent Framework

A modular Python framework for building multi-step AI agents with tool use, memory, and planning capabilities. Supports multiple LLM backends.

PythonLLMAI AgentsOpenAITool Use

RAG Knowledge Assistant

A retrieval-augmented generation system that lets you chat with your own documents. Features hybrid search and re-ranking for high-accuracy answers.

PythonRAGLangChainQdrantFastAPI

Godot Roguelite

A procedurally generated roguelite dungeon crawler built with Godot 4, featuring dynamic enemy AI and a hand-crafted pixel art style.

Godot 4GDScriptPixel ArtProcedural Generation

LLM Benchmark Suite

An evaluation toolkit for benchmarking LLM performance across reasoning, coding, and instruction-following tasks. Generates detailed comparison reports.

PythonLLM EvaluationBenchmarksData Analysis

Travel

Cities and places I've explored around the world

19Cities
5Countries
3Continents