Antony W.

Key Skills

Software

Don't disclose

Other

Label Studio

Top Subject Matter

AI training for multimodal (video) evaluation and quality/ranking assessment

Data labeling for NLP (semantic annotation, validation, QA)

AI training/evaluation for search relevance

Top Data Types

Video

Text

Audio

Image

Document

Top Task Types

Classification

Freelancer Overview

Sophia Genetics | AI Training & Data Specialist (Remote). Core strengths include Don't disclose, Other, and Label Studio. Education includes Bachelor of Computer Science, University of Nairobi (2019). AI-training focus includes data types such as Video, Text, and Audio and labeling workflows including Evaluation, Rating, and Translation.

Labeling Experience

Multimodal AI Safety Dataset (Personal Project)

Label StudioImageClassification

Curated and annotated image-text pairs for toxicity detection in memes using an annotation workflow and defined safety objectives. Exported labeled data into standard formats for downstream dataset usage and analysis. Applied annotation consistency practices to support AI safety dataset quality. • Curated 500 meme image-text pairs for toxicity detection • Labeled content using Label Studio • Exported annotations to COCO + CSV formats • Prepared dataset for multimodal safety evaluation

2025 - 2025

Sophia Genetics | AI Training & Data Specialist (Remote)

Don't discloseVideo

Provided pairwise video comparisons to assess engagement quality, thematic relevance, and ranking accuracy for short-form video content evaluation projects. Annotated visual and audio elements to support training data needs for multimodal AI systems following detailed instructions and turnaround requirements. Collaborated with leads to refine evaluation criteria and improve labeling consistency across platforms. • Pairwise relevance and engagement evaluations for short-form video • Thematic relevance and algorithmic ranking accuracy scoring • Visual/audio element annotation for multimodal model training • QA-focused work to maintain high accuracy under tight timelines

2024 - 2025

Vantor | Data Annotation Specialist (Remote)

OtherText

Performed data labeling and semantic annotation tasks across text datasets to support natural language understanding and machine translation systems. Conducted data validation to ensure labeled outputs matched project taxonomies and linguistic rules. Participated in quality assurance and cross-validation to maintain dataset integrity and consistency. • Semantic text annotation for MT/NLU pipelines • Data validation aligned to taxonomies and linguistic rules • QA and cross-validation for dataset integrity • Multi-pipeline coordination to meet annotation standards

2023 - 2024

Adswerve, Inc | AI Training Data Evaluator (Remote)

OtherAudio

Evaluated search engine results, ads, and social media content to measure model relevance and ranking precision. Completed pairwise relevance testing and content classification for multiple languages and regions using structured guidelines. Labeled multimedia (image, text, audio) content to support computer vision and speech recognition models and provided detailed feedback on inconsistencies and annotation errors. • Pairwise relevance testing and content classification • Multimedia labeling support for CV and speech recognition • Relevance/ranking precision assessment for multilingual content • Feedback on inconsistencies, annotation errors, and guideline alignment

2022 - 2023

Education

Work History