Caleb L.

Key Skills

Software

Scale AI

Appen

AWS SageMaker

Other

Top Subject Matter

Machine learning training data annotation (images, text, video)

Search Domain Expertise

Safety Domain Expertise

Top Data Types

Video

Audio

Text

Image

Document

Top Task Types

Object Detection

Classification

Freelancer Overview

AI Data Annotation Specialist, Scale AI (Remote). Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI, Appen, and AWS SageMaker. Education includes Bachelor of Science, University of Washington (2023) and High School Diploma, Lincoln High School (2019). AI-training focus includes data types such as Video, Audio, and Text and labeling workflows including Object Detection, Classification, and Entity (NER).

Labeling Experience

AI Data Annotation Specialist, Scale AI (Remote)

Scale AIVideoObject Detection

Worked as an AI Data Annotation Specialist labeling multimedia inputs to support machine learning projects. Focused on applying bounding boxes and classification standards while completing required quality checks. Regularly met or exceeded accuracy targets in a high-throughput workflow. • Labeled images, text snippets, and videos for ML tasks • Applied bounding box and classification guidelines • Performed quality checks for label correctness • Reported/flagged ambiguous cases to improve guidelines

2024 - Present

Data Labeler & Content Moderator, Appen (Remote Contract)

AppenAudioClassification

Served as a Data Labeler and Content Moderator for projects supporting search, safety, and relevance. Performed labeling across text, audio, and images while maintaining strong accuracy and productivity. Collaborated by reporting ambiguous instructions to enhance task clarity and workflow. • Labeled text, audio, and images for relevance and safety use cases • Maintained accuracy and productivity during extended shifts • Moderated content according to project guidelines • Reported ambiguous instructions for multilingual processing

2023 - 2024

Junior Data Analyst & Annotator, Amazon Web Services (AWS)

AWS SageMakerText

Worked as a Junior Data Analyst and Annotator supporting ML teams with dataset annotation and preparation. Contributed to object detection and sentiment analysis efforts by ensuring labeled data matched project requirements. Participated in calibration sessions and audits to maintain consistent data quality. • Annotated data for object detection and sentiment analysis projects • Cleaned and validated labeled datasets for training readiness • Followed project standards during audits and calibration • Ensured data usability for downstream model development

2022 - 2023

Freelance Data Entry & Annotation Assistant, Upwork (Various Clients)

OtherImageClassification

Served as a Freelance Data Entry & Annotation Assistant supporting AI projects with image classification and text categorization. Performed annotation tasks by applying structured analysis techniques to assigned samples. Helped improve overall accuracy by producing consistent category labels according to instructions. • Annotated images for classification • Categorized text content • Applied detailed classification analysis to assigned tasks • Followed client/project labeling instructions

2021 - 2021

Education

Work History