Robert B.

Key Skills

Software

Labelbox

CVAT

Top Subject Matter

Machine Learning

AI Dataset Preparation

Quality Assurance

Top Data Types

Text

Image

Top Task Types

Entity (NER) Classification

Freelancer Overview

Senior Data Annotation Specialist. Core strengths include Labelbox and CVAT. Education includes Bachelor of Science, University of Washington (2018) and Diploma, Seattle Central College (2016). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) Classification.

Labeling Experience

Senior Data Annotation Specialist

LabelboxTextEntity (NER) Classification

As a Senior Data Annotation Specialist, I managed the annotation of large-scale text, image, audio, and video datasets for AI and machine learning applications. I ensured consistently high annotation accuracy and collaborated effectively with data scientists and machine learning engineers. Training junior annotators and refining guidelines were also key aspects of my role. • Annotated diverse data types including text, image, audio, and video. • Maintained annotation accuracy rates above 98% through stringent quality control. • Used advanced annotation tools such as Labelbox and CVAT. • Contributed to workflow improvement and junior team member training.

2021 - Present

Data Entry & Annotation Associate

CVATTextEntity (NER) Classification

As a Data Entry & Annotation Associate, I was responsible for annotating datasets for natural language processing and computer vision projects. My contributions included organizing, cleaning, and verifying data prior to AI model training. I identified workflow inefficiencies and helped address recurring inconsistencies. • Performed annotation, organization, and verification of structured and unstructured data. • Managed sensitive company information with confidentiality. • Directly improved dataset quality for downstream AI model use. • Enhanced data workflow efficiency through process adjustments.

2018 - 2020

Education

Work History