Leo U.

Key Skills

Software

CrowdFlower

AWS SageMaker

Axiom AI

Dataloop

Label Studio

Top Subject Matter

Prompt Engineering

LLM Use

AI Literacy in Enterprise

Top Data Types

Text

Image

Document

Top Task Types

Prompt + Response Writing (SFT)

Classification

Freelancer Overview

Senior AI Training Lead - ByteDance/TikTok. Brings 3+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, Tsinghua University (2018) and Bachelor of Engineering, Beijing University of Posts and Telecommunications (2016). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT) and Classification.

Labeling Experience

Senior AI Training Lead - ByteDance/TikTok

TextPrompt + Response Writing (SFT)

As Senior AI Training Lead, led a team to design and deliver AI literacy and GenAI certification programs focusing on prompt engineering and responsible AI use. Created hands-on labs and practical training for over 1,500 engineers and product managers leveraging internal LLM infrastructure. Developed executive workshops to drive AI understanding and model adoption in business strategy. • Developed prompt engineering training modules. • Designed scenario-based, business-oriented LLM exercises. • Led curriculum creation for GenAI certification. • Utilized internal/proprietary AI training software.

2022 - Present

AI Instructor & Curriculum Designer - DeepLearning.AI

TextClassification

Co-authored and delivered industry-leading MLOps and NLP courses for DeepLearning.AI, training over 50,000 global learners. Created and managed comprehensive learning materials including coding assignments, capstone projects, and annotated datasets. Provided weekly mentorship and assessment to support learner progress and skill verification. • Designed annotated text and code datasets for coursework. • Reviewed and classified student submissions for course certification. • Implemented feedback-driven improvement for labeling accuracy. • Used DeepLearning.AI's proprietary learning platform.

2020 - 2021

Machine Learning Engineer & Technical Trainer - Huawei Cloud

TextClassification

Developed and delivered technical-training curricula, certification exams, and annotated lab exercises for enterprise clients in AI engineering. Created remote and in-person learning resources mapped directly to real-world production data problems. Advised project teams in translating training scenarios to operational AI solutions. • Designed and classified datasets for exam and lab use. • Developed evaluative questions based on practical AI challenges. • Created instructor manuals with annotation and grading rubrics. • Used Huawei Cloud's proprietary ModelArts and MindSpore tools.

2018 - 2020

Education

Work History