Tien An Vu

Key Skills

Software

Appen

CrowdSource

Data Annotation Tech

iMerit

Mercor

Scale AI

Toloka

Telus

Other

Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code Programming

Image

Text

Top Label Types

Bounding Box

Entity Ner Classification

Evaluation Rating

Fine Tuning

Prompt Response Writing SFT

Freelancer Overview

Detail-oriented Data Annotation and AI Training Specialist with hands-on experience labeling text, images, and video for leading LLM projects. Skilled in applying annotation guidelines, QA processes, and compliance standards with 95%+ accuracy. Experienced in multilingual datasets, function-calling simulations, and structured data workflows to support high-quality AI model training and evaluation.

Labeling Experience

LLM Trainer

Internal Proprietary ToolingTextFine TuningFunction Calling

Designed and authored multi-turn dialogues simulating real interactions between users and AI assistants.

Designed and authored multi-turn dialogues simulating real interactions between users and AI assistants.

2025 - 2025

NER Tagging

ImeritTextBounding BoxEntity Ner Classification

PII Tagging of Text Snippets in Vietnamese

PII Tagging of Text Snippets in Vietnamese

2025 - 2025

Video + Audio QA

OtherVideoQuestion AnsweringText Generation

Create high-quality question–answer (QA) pairs based on short video + audio segments

Create high-quality question–answer (QA) pairs based on short video + audio segments

2024 - 2024

Linguistics Training

OtherTextClassificationQuestion Answering

Listening Comprehension, Audio Collecting Review, compare, and rate responses for accuracy, clarity, and contextual appropriateness.

Listening Comprehension, Audio Collecting Review, compare, and rate responses for accuracy, clarity, and contextual appropriateness.

2024 - 2024

Education

Work History