CraftyMing

AI / ML Engineer

Building intelligent, beautiful systems.

— 01 About —

I build at the intersection of intelligence and craft.

I'm CraftyMing—a developer evolving into a designer, an explorer, and an independent creator.

With a footprint that has crossed the globe, I've spent the last decade immersing myself in the intersection of CS, Math, and Information Technology. This international exposure taught me that the most powerful language isn't code—it's the ability to bridge cultures and concepts.

To me, AI is the ultimate leverage. It has turned the daunting "engineering gap" into a playground for creativity. I'm currently deep in the world of AI-assisted development, where the distinction between "thinking" and "doing" is blurring. I don't just write scripts; I design experiences and build products.

The future belongs to the curious. I'm spending mine leveling up—refining my product thinking, sharpening my design eye, and exploring the boundless possibilities of being an AI-powered independent developer.

— 02 Resume —

CraftyMing

Agent Development Engineer

craftyming@gmail.com

github.com/craftyming

Shanghai

Experience

liblib · Lovart Team

Jul 2025 — Present

Agent Development Engineer (Full-stack)

  • Built production LLM API gateway (Golang) unifying multi-provider access; routing, rate limiting & degradation
  • Improved streaming reliability with TTFT-based first-token timeouts; established observability & alerting
  • Led migration of artifact service FastAPI → Golang; latency ↓80%, throughput ↑10–20×
  • Delivered full-stack evaluation platform: batch inference, comparison, LLM-as-Judge aligned with human eval

ByteDance · Maoxiang Project

Feb 2025 — Jul 2025

LLM Data Engineer

  • Independently delivered two end-to-end RM RL data pipelines (code-only & agent-workflow); 30 days → 2 days, saved ~2,400 person-days
  • Covered collection, cleaning, QA, sampling, precision/recall; iterated prompt & strategy variants
  • Verified impact via online A/B: +5% watch time, +3% messages/user

WeBank · KYC-Face Recognition

May 2021 — May 2023

Automation Engineer

  • Built CLI + config-based script management tool; unified logs & result summaries for pre-release validation
  • Performance & stability validation under high concurrency; achieved bank's only 100% availability project in 2022

YangTze River Consulting LLC (USA)

Jun 2019 — Feb 2021

Data Engineer

  • Built credit risk prediction models (logistic regression / random forest) for banking clients
  • NumPy/Pandas pipelines: cleaning, feature engineering, preprocessing for consistent model inputs

Education

University of Sydney

Jul 2023 – Feb 2025

Master of Information Technology

Top 10% GPA · QS Top 20

Penn State University

Aug 2015 – May 2019

B.S. Computer Science & Technology · B.S. Mathematics

Top 30% GPA · QS Top 100

Skills

Languages

Golang, Python, TypeScript, SQL

Frameworks

FastAPI, React, LangChain, Diffusers

Infrastructure

Docker, Kubernetes, Redis, PostgreSQL

AI / LLM

Agent Workflow, RAG, LLM-as-Judge, Fine-tuning

Language

English (TOEFL 90+, GRE 320+, professional fluency)