Calistus A.

Key Skills

Software

Other

Data Annotation Tech

LabelImg

Mindrift

Top Subject Matter

AI training data annotation (image and text datasets)

Text content preparation and editing (AI-training adjacent)

Top Data Types

Image

Text

Video

Top Task Types

Prompt + Response Writing (SFT)

Question Answering

Data Collection

Freelancer Overview

Freelance AI Trainer & Data Annotation Specialist | Remote (2023–Present). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Ambrose Alli University. AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Freelance AI Trainer & Data Annotation Specialist | Remote (2023–Present)

OtherImage

Worked as a Freelance AI Trainer & Data Annotation Specialist, focusing on annotating image and text datasets and reviewing AI training data. Ensured quality accuracy by verifying annotations against expected standards and maintaining consistent labeling practices. Supported ongoing dataset preparation and feedback cycles to improve model training outcomes. • Annotated image datasets for AI training use • Reviewed AI training data for accuracy and quality • Maintained high-quality standards across labeling tasks • Supported iterative improvements through data review feedback

2023 - Present

Virtual Assistant & Content Writer | Remote (2019–Present)

OtherTextPrompt + Response Writing (SFT)

Provided AI-training-adjacent support through content writing and professional document editing that complemented dataset and training workflows. Managed online research, edited written materials, and prepared text content for use in communication and documentation contexts. While not explicitly labeled as annotation, the written content responsibilities aligned with text preparation needs for AI/data projects. • Managed and edited professional text content • Conducted online research to support writing tasks • Organized communication materials (emails/schedules) • Prepared and revised documents for clarity and quality

2019 - Present

Education

Work History