Ambless M.

Key Skills

Software

Other

Data Annotation Tech

Hasty

AWS SageMaker

Top Subject Matter

NLP model training datasets (text classification, NER, sentiment, intent, topic tagging)

Image annotation for AI/ML training (detection, segmentation, landmarks)

Training data for AI content moderation (policy compliance tagging)

Top Data Types

Text

Image

Document

Top Task Types

Entity (NER) Classification

Segmentation

Classification

Data Collection

Freelancer Overview

AI Data Labeler / Annotator, Freelance Platforms (Remote). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, Google Sheets, and Microsoft Excel (data entry & batch processing). Education includes Bachelor of Science, Prince Abubakar Audu University, Antigba and Higher National Diploma, Federal Polytechnic, Idah. AI-training focus includes data types such as Text, Image, and Geospatial and labeling workflows including Entity (NER) Classification, Segmentation, and Classification.

Labeling Experience

AI Data Labeler / Annotator — Freelance Platforms (Remote)

OtherImageSegmentation

Completed computer-vision annotation assignments for training datasets, including bounding box and polygon-based segmentation. Labeled additional visual elements such as landmarks and performed object classification according to project instructions. Reviewed and audited image annotations to ensure adherence to the required labeling standards. • Bounding box drawing for detected objects • Polygon segmentation for regions of interest • Landmark detection and object classification • QA auditing to resolve inconsistencies

2022 - Present

AI Data Labeler / Annotator — Freelance Platforms (Remote)

OtherTextEntity (NER) Classification

Handled text labeling for NLP model training, including named entity recognition and sentiment-related annotations. Applied intent classification and topic tagging using provided annotation guidelines for consistent outputs. Conducted quality review and auditing to correct inconsistencies and maintain dataset integrity. • Labeled entities/NER spans for NLP training • Labeled sentiment and related text attributes • Labeled intent and topic categories • Reviewed and audited labeled datasets for QA

2022 - Present

Content Moderator & Data Reviewer — Online Content Platforms (Remote)

OtherTextClassification

Performed content moderation labeling by tagging user-generated content into predefined categories for training moderation AI systems. Applied binary and multi-class labeling to textual content following strict policy guidelines. Maintained quality by meeting accuracy targets on quality-checked batches and escalating ambiguous edge cases. • Tagged text into predefined moderation categories • Used binary and multi-class classification labels • Checked batch outputs for accuracy and guideline compliance • Escalated edge cases to senior reviewers with documentation

2021 - 2023

Survey Data Collector & Encoder — Research & NGO Projects

Data Collection

Collected structured survey data in field settings and encoded results into digital databases for research and NGO projects. Ensured data cleanliness by removing duplicates and resolving encoding inconsistencies. Prepared and organized raw datasets to support analysis workflows. • Collected structured survey observations in the field • Encoded survey results into digital databases • Removed duplicates and resolved encoding issues • Preprocessed and organized data for analysts

2019 - 2021

Education

Work History