Jason W.

Key Skills

Software

CVAT

Labelbox

Top Subject Matter

Autonomous Driving

AI Training

LLM Projects

Top Data Types

Image

Text

Top Task Types

Bounding Box

Entity (NER) Classification

Freelancer Overview

Data Annotation Specialist. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Labelbox, and Internal. Education includes Bachelor of Science, Engineering and Technology College (2019). AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box and Entity (NER) Classification.

Labeling Experience

Data Annotation Specialist

CVATTextEntity (NER) Classification

I handled NLP text classification and entity labeling for large language model (LLM) and AI projects. My work included labeling tasks such as text segmentation and entity recognition, supporting natural language processing datasets. I ensured labeling consistency and contributed to efficient team operations. • Labeled text data for classification and entity recognition (NER) tasks • Supported LLM and NLP project requirements with high-quality annotations • Participated in error review and data standardization processes • Used proprietary annotation tools and maintained dataset format integrity

2023 - Present

Data Annotation Specialist

CVATImageBounding Box

As a Data Annotation Specialist, I performed high-precision 2D and 3D image bounding box annotation for AI and autonomous driving projects. My responsibilities included semantic segmentation and LiDAR point cloud labeling to support machine learning model training. Additionally, I maintained accuracy, performed data inspection, and collaborated on workflow improvements. • 2D/3D image bounding box and semantic segmentation annotation for AI training • LiDAR point cloud labeling for autonomous driving datasets • Conducted quality control, error reviews, and re-labeling to ensure high standards • Used CVAT, Labelbox, and an internal platform with COCO/JSON formats

2023 - Present

Education

Work History