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Detail-oriented Data Annotator and Image Rater supporting AI and machine learning projects through accurate image labeling, categorization, and quality review. I follow annotation guidelines closely, handle edge cases, and ensure consistent dataset validation for computer vision tasks. I have experience performing bounding box, segmentation, and classification annotations, maintaining high accuracy and productivity metrics in both onsite and remote environments. I also prioritize data privacy and confidentiality when working with sensitive datasets.…Detail-oriented Data Annotator and Image Rater supporting AI and machine learning projects through accurate image labeling, categorization, and quality review. I follow annotation guidelines closely, handle edge cases, and ensure consistent dataset validation for computer vision tasks. I have experience performing bounding box, segmentation, and classification annotations, maintaining high accuracy and productivity metrics in both onsite and remote environments. I also prioritize data privacy and confidentiality when working with sensitive datasets.

Julius Mutua

Data Annotator, Data Analyst, Data Scientist, +4

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Detail-oriented Data Annotator and Image Rater supporting AI and machine learning projects through accurate image labeling, categorization, and quality review. I follow annotation guidelines closely, handle edge cases, and ensure consistent dataset validation for computer vision tasks. I have experience performing bounding box, segmentation, and classification annotations, maintaining high accuracy and productivity metrics in both onsite and remote environments. I also prioritize data privacy and confidentiality when working with sensitive datasets.…Detail-oriented Data Annotator and Image Rater supporting AI and machine learning projects through accurate image labeling, categorization, and quality review. I follow annotation guidelines closely, handle edge cases, and ensure consistent dataset validation for computer vision tasks. I have experience performing bounding box, segmentation, and classification annotations, maintaining high accuracy and productivity metrics in both onsite and remote environments. I also prioritize data privacy and confidentiality when working with sensitive datasets.

Available to hire

Detail-oriented Data Annotator and Image Rater supporting AI and machine learning projects through accurate image labeling, categorization, and quality review. I follow annotation guidelines closely, handle edge cases, and ensure consistent dataset validation for computer vision tasks.

I have experience performing bounding box, segmentation, and classification annotations, maintaining high accuracy and productivity metrics in both onsite and remote environments. I also prioritize data privacy and confidentiality when working with sensitive datasets.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Work Experience

Data Annotator at Sapien Corp.

July 1, 2024 - September 1, 2025

Performed image annotation and rating tasks to support machine learning datasets for computer vision applications. Classified and tagged images based on visual content, object presence, and contextual attributes. Applied annotation tools to perform object detection labeling, bounding box annotation, and image categorization. Reviewed and validated annotated images to ensure consistency with project guidelines and quality benchmarks. Documented annotation issues and edge cases to support guideline improvements. Maintained high accuracy scores and productivity standards in a remote, task-based annotation environment. Followed strict data privacy and confidentiality requirements when handling sensitive datasets. Collaborated with QA reviewers to resolve labeling discrepancies and improve annotation consistency.

Data Annotator at Samasource

February 1, 2023 - Present

Annotate and label large-scale image datasets used for training computer vision and machine learning models. Apply detailed annotation guidelines and labeling rubrics to identify objects, attributes, and visual patterns within images. Perform bounding box, segmentation, and classification annotations according to project requirements. Identify annotation inconsistencies and escalate edge cases or unclear images for guideline clarification. Support dataset validation by reviewing flagged items and correcting labeling errors. Maintain productivity and accuracy metrics while completing high-volume annotation tasks.