Shanghai, China · UTC+8

PixelCookie.

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

nowPhD research·TAAC 2026 #9·Godot after hours

PixelCookie
01career

Experience

The journey so far, one commit at a time.

$ git log --graph --all

2026 – Present

PhD Studies

edu/phdHEAD

Doctoral Researcher

Doctoral research in AI, machine learning, and intelligent agent systems — going deeper on the questions I kept running into while shipping.

AI Research · ML · Agents

2025 – 2026

Meituan

work/meituan

Ad Search Algorithm Engineer

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

Search · Ranking · Ads · ML

2024 – 2025

Tencent IEG

work/tencent-ieg

Intern

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

AI · Gaming · ML · Engineering

2022 – 2025

Sun Yat-sen University

edu/sysu

MSc Computer Science

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

LLM · AI Agent · NLP · Research

2018 – 2022

Hohai University

edu/hohai

BSc Mathematics

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

Mathematics · Statistics · Probability

02craft

Activities & Skills

The commit graph that keeps me honest — and the tools I reach for.

open source

PixelCookie-zyf@PixelCookie-zyf· Building, shipping, and learning in public.
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Last 26 weeks of activity

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Public contribution data mirrored from GitHub

Pinned work

top repositories

AI & ML

2 skills

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

LLM / Prompt EngAI Agent Frameworks

Languages

3 skills

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

PythonTypeScript / JSDSA

Tools & Infra

1 skill

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

Docker / DevOps

Creative

2 skills

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

Godot / GDScriptGame Design
03selected work

Projects

Shipped, ranked, and tinkered with — mostly in public.

01

SeRankMixer

TAAC 2026 · rank #9

Python · PyTorch · RankMixer · pCVR / LTR

Single-model pCVR ranking network for the Tencent Advertising Algorithm Competition (UNI-REC track): a semantically-tokenized RankMixer backbone with DIN behavior pooling and group-wise bilinear fusion, trained with Muon, SWA and SAM. Finished #9 on the final leaderboard (weighted-AUC 0.8288) — no ensembling.

02

Next.js · TypeScript · Tailwind CSS · Framer Motion

The site you're looking at right now — generative ASCII canvas, text scramble, a warm paper-and-ember design system, and an interactive travel map. Built with Next.js, Tailwind CSS and Framer Motion.

03

Python · PyTorch · LightGBM · CTR

A modular CTR prediction framework implementing ranking models like LR-GBDT and Factorization Machines. Registry-based architecture, custom TorchPrint model analysis (FLOPs, MACs, memory), trained on the Criteo dataset.

04

JavaScript · Electron · Desktop Pet · Claude Code

A desktop pet that reacts to your Claude Code sessions in real-time — thinking, typing, juggling, sleeping, and more. Built with Electron and wired up through Claude Code hooks.

05

Python · arXiv · NLP · Bilingual

Let AI read papers for you — an AI-powered reading pipeline that searches arXiv, screens papers, and generates bilingual summaries in MDX, one paper at a time, from classics to the cutting edge.

06

Python · PyTorch · Tooling

An enhanced PyTorch model-analysis tool in the spirit of torchinfo — layer-by-layer summaries with custom formatting and extra profiling features, built for poking at recommendation models.

04places

Travel

Cities and places I've explored around the world

19Cities
5Countries
3Continents
06reach out

Let's build something together.

Open to collaborations, research conversations, and interesting ideas — my inbox is always happy to hear about them.

Say hello