Joseph S.

Key Skills

Software

Data Annotation Tech

iMerit

Mercor

Toloka

Snorkel AI

Labelbox

Top Subject Matter

Machine learning

data annotation

Top Data Types

Video

Image

Audio

Text

Top Task Types

Classification

Text Generation

Object Detection

Question Answering

Evaluation/Rating

Transcription

Data Collection

Red Teaming

Freelancer Overview

Data Annotator. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox. Education includes Doctor of Philosophy, California Institute of Technology (2008) and Master of Arts, California Institute of Technology (2002). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Data Annotator

LabelboxTextClassification

As a Data Annotator, I was responsible for preparing high-quality labeled text, image, and video datasets for machine learning model training. I ensured data consistency and accuracy through self-checks and collaborative reviews, contributing to robust annotation practices. I refined annotation guidelines to match evolving project requirements and enhance model performance. • Labeled and classified multiple data types, including text and images. • Used annotation tools such as Labelbox and Prodigy to perform labeling tasks. • Coordinated with machine learning engineers for alignment with project goals. • Developed best practice documentation for annotation processes.

2021 - 2023

Education

Work History