Jennifer Caldwell

Key Skills

Software

Other

Remotasks

Top Subject Matter

Natural Language Processing

General AI Training

Legal Services & Contract Review

Top Data Types

Text

Document

Top Task Types

Classification

Freelancer Overview

Data Annotation Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Remotasks. Education includes Bachelor of Science, N/A. AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Data Annotation Specialist

OtherTextClassification

As a Data Annotation Specialist at OpenTrain AI, I annotated and classified text datasets for machine learning models with a strong focus on quality and precision. My responsibilities included entity recognition, sentiment analysis, and intent classification across diverse projects. I consistently achieved high accuracy and met tight deadlines throughout my tenure. • Delivered 98% annotation accuracy for text datasets • Performed 200-300+ annotation tasks daily, ensuring project throughput • Maintained guideline compliance and thorough accuracy verification • Specialized in multiple text classification and semantic tagging projects

As a Data Annotation Specialist at OpenTrain AI, I annotated and classified text datasets for machine learning models with a strong focus on quality and precision. My responsibilities included entity recognition, sentiment analysis, and intent classification across diverse projects. I consistently achieved high accuracy and met tight deadlines throughout my tenure. • Delivered 98% annotation accuracy for text datasets • Performed 200-300+ annotation tasks daily, ensuring project throughput • Maintained guideline compliance and thorough accuracy verification • Specialized in multiple text classification and semantic tagging projects

2025 - 2026

AI Data Labeling Specialist

RemotasksTextClassification

Serving as an AI Data Labeling Specialist at Remotasks, I labeled NLP data and text samples for the development of various machine learning models. I maintained a high accuracy record and adapted quickly to diverse annotation tasks and project specifications. My work contributed directly to the improvement of AI training datasets and overall model quality. • Labeled text samples with 97%+ accuracy on complex projects • Processed 150-250 annotation tasks per session • Provided feedback for annotation process and quality enhancement • Adapted annotation strategy to meet domain-specific requirements

Serving as an AI Data Labeling Specialist at Remotasks, I labeled NLP data and text samples for the development of various machine learning models. I maintained a high accuracy record and adapted quickly to diverse annotation tasks and project specifications. My work contributed directly to the improvement of AI training datasets and overall model quality. • Labeled text samples with 97%+ accuracy on complex projects • Processed 150-250 annotation tasks per session • Provided feedback for annotation process and quality enhancement • Adapted annotation strategy to meet domain-specific requirements

2024 - 2024

Text Annotation Specialist

OtherTextClassification

As a Text Annotation Specialist at Crowdgen, I annotated both text and visual content for AI training dataset development. My duties included classification, semantic labeling, and consistency maintenance across simultaneous projects. I ensured high standards of quality and efficient completion of annotation deliverables. • Annotated text and visual content for training datasets • Classified and tagged with precise semantic labels • Met project accuracy and consistency standards • Worked efficiently to deliver annotation tasks on schedule

As a Text Annotation Specialist at Crowdgen, I annotated both text and visual content for AI training dataset development. My duties included classification, semantic labeling, and consistency maintenance across simultaneous projects. I ensured high standards of quality and efficient completion of annotation deliverables. • Annotated text and visual content for training datasets • Classified and tagged with precise semantic labels • Met project accuracy and consistency standards • Worked efficiently to deliver annotation tasks on schedule

2023 - 2023

Education

Work History