Tian X.

Key Skills

Software

No software listed

Top Subject Matter

Job Skills and Recruitment

Legal Services & Contract Review

Regulatory Compliance & Risk Analysis

Top Data Types

Text

Image

Document

Top Task Types

Fine-tuning

Freelancer Overview

BERT Model Fine-tuning for Skill Classification. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Doctor of Philosophy, University Of Oslo (2026) and Master of Science, Leiden University (2024). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

Labeling Experience

BERT Model Fine-tuning for Skill Classification

TextFine-tuning

Fine-tuned multilingual BERT models for large-scale skill classification on a dataset exceeding 200k job descriptions. Worked on training, evaluating, and refining natural language processing models to optimize entity and relation extraction for a knowledge graph. Ensured accurate labeling and model fidelity to support automated job-skill matching in production environments. • Used large-scale labeled text corpora to enhance classification accuracy. • Performed entity and relationship extraction from unstructured textual data. • Participated in evaluation, validation, and fine-tuning loops for model optimization. • Maintained labeling workflows for continual pipeline improvement.

2023 - 2024

Education

Work History