Kevin Z.

Key Skills

Software

Other

Appen

Data Annotation Tech

Top Subject Matter

Large Language Models (LLMs)

Chatbots Domain Expertise

NLP Data

Top Data Types

Text

Audio

Image

Top Task Types

Question Answering

Text Generation

Text Summarization

Fine-tuning

Transcription

Evaluation/Rating

Freelancer Overview

Data Annotator / AI Training Specialist. Brings years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Data Annotator / AI Training Specialist

OtherText

As a Data Annotator / AI Training Specialist, I labeled and evaluated text-based data to support the development of Large Language Models (LLMs). I created, reviewed, and refined conversational datasets to improve chatbot accuracy and contextual understanding. Prompt engineering and structured feedback ensured high-quality, human-like AI responses. • Conducted precise data annotation and prompt evaluation for LLM training. • Reviewed AI-generated responses for relevance, coherence, and ethical compliance. • Refined chatbot datasets to optimize tone and accuracy. • Collaborated with linguistics and AI teams to ensure model consistency.

2025 - 2025

Education

Work History