Orange K.

Key Skills

Software

Other

Top Subject Matter

Large language model (LLM) training data annotation

AI model training workflows and dataset preparation

AI systems development and ML pipeline support

Top Data Types

Text

Document

Top Task Types

Data Collection

Function Calling

Freelancer Overview

AI Data Annotation Specialist (Contract) | Tencent. Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes Bachelor of Science, Xiamen University (2024). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Data Collection and Function Calling.

Labeling Experience

Freelance AI Developer | Remote

OtherFunction Calling

Developed AI-powered applications using modern Agent tools and frameworks with emphasis on building reliable AI systems. Implemented C++ and Python solutions for machine learning pipelines that support training and evaluation processes. Collaborated with international teams using English for technical communication and requirements alignment. • Built and integrated AI Agent workflows • Implemented ML pipeline components in C++/Python • Supported training/evaluation pipeline development • Coordinated with international stakeholders in English

2024 - Present

AI Data Annotation Specialist (Contract) | Tencent

OtherTextData Collection

Participated in Tencent’s open AI data annotation projects to support training of large language models. Performed rigorous quality control to ensure correctness and consistency of labeled data used for model training. Collaborated with AI researchers to refine annotation guidelines and improve downstream model performance. • Labeled training data for LLM workflows • Applied quality assurance checks to labeled outputs • Updated/used evolving annotation guidelines • Worked with research stakeholders to improve labeling effectiveness

2023 - 2024

AI Development Contributor (Contract) | ByteDance

OtherTextData Collection

Contributed to ByteDance AI development initiatives that included model training workflows. Supported data preprocessing and evaluation steps as part of preparing datasets for model training. Focused on improving performance through data handling and workflow participation. • Assisted with data preprocessing for training • Supported model evaluation and performance optimization • Participated in AI model training workflows • Worked on dataset readiness and pipeline steps

2023 - 2023

Education

Work History