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Chris Star

Chris Star

Data Labeling Specialist - Machine Learning & AI

USA flag
New York, Usa
$65.00/hrIntermediateLabelboxMighty AIScale AI

Key Skills

Software

LabelboxLabelbox
Mighty AIMighty AI
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

3D Sensor
AudioAudio
ImageImage
TextText

Top Label Types

Audio Recording
Data Collection
Fine Tuning
Object Detection

Freelancer Overview

I am a detail-oriented Data Labeling Specialist with over 3 years of hands-on experience preparing high-quality training datasets for machine learning applications. My expertise spans image annotation, NLP tagging, and audio transcription, with a proven track record of improving model accuracy through precise labeling and robust quality control protocols. I am highly skilled in industry-standard tools such as Labelbox, Scale AI, Amazon SageMaker Ground Truth, and Prodigy, and have led annotation teams for complex projects in domains like autonomous vehicles, medical imaging, and sentiment analysis. My work includes developing QC frameworks that reduced label errors by 25%, designing annotation schemas for computer vision research, and conducting bias audits on large-scale facial recognition datasets. I am passionate about collaborating with ML engineers to refine data requirements and ensure that datasets are both accurate and representative, consistently achieving top-rated status for speed, accuracy, and reliability.

IntermediateEnglishJapanesePolishDutch

Labeling Experience

No Data Labeling experience added

Chris S. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

U

University of California, Berkeley

Bachelor of Arts, Cognitive Science

Bachelor of Arts
2020 - 2020

Work History

S

Scale AI

Senior Data Labeling Specialist

San Francisco
2022 - Present