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Onyango Raphael

AI Data Annotator (Freelance)

ExpertOtherRemotasksAppen

Key Skills

Software

Other
RemotasksRemotasks
AppenAppen
TelusTelus

Top Subject Matter

Natural Language Processing (NLP)
Multimodal (Image, Audio, Text) Annotation
Search Engine Evaluation

Top Data Types

TextText
ImageImage

Top Task Types

Classification
Bounding Box

Freelancer Overview

AI Data Annotator (Freelance). Core strengths include Other, Remotasks, and Appen. Education includes Bachelor of Science, Salford University (2021). AI-training focus includes data types such as Text and Image and labeling workflows including Classification, Bounding Box, and Evaluation.

Expert

Labeling Experience

AI Data Annotator (Freelance)

OtherTextClassification
As an AI Data Annotator at Prolific, I completed various AI training tasks involving text classification and sentiment analysis. I provided high-quality labelled datasets to contribute to machine learning model improvements. I maintained precision and consistency across multiple projects by rigorously following task guidelines and standards. • Performed text classification and sentiment annotation. • Labeled datasets for survey-based research tasks. • Ensured strict adherence to guidelines for accuracy. • Delivered annotated data to support model training.

As an AI Data Annotator at Prolific, I completed various AI training tasks involving text classification and sentiment analysis. I provided high-quality labelled datasets to contribute to machine learning model improvements. I maintained precision and consistency across multiple projects by rigorously following task guidelines and standards. • Performed text classification and sentiment annotation. • Labeled datasets for survey-based research tasks. • Ensured strict adherence to guidelines for accuracy. • Delivered annotated data to support model training.

2024 - 2025
Telus

Data Annotation Specialist

TelusTextClassification
Working as a Data Annotation Specialist at TELUS AI, I labeled and reviewed datasets for natural language processing and computer vision projects. I prioritized accuracy and consistency in my annotation workflows and flagged inconsistencies to improve data quality. My contributions enhanced data reliability for AI-driven models. • Labeled and reviewed text and image datasets. • Maintained annotation quality through thorough checking. • Identified and reported data inconsistencies. • Supported continuous workflow improvements.

Working as a Data Annotation Specialist at TELUS AI, I labeled and reviewed datasets for natural language processing and computer vision projects. I prioritized accuracy and consistency in my annotation workflows and flagged inconsistencies to improve data quality. My contributions enhanced data reliability for AI-driven models. • Labeled and reviewed text and image datasets. • Maintained annotation quality through thorough checking. • Identified and reported data inconsistencies. • Supported continuous workflow improvements.

2023 - 2023
Appen

Search Engine Evaluator

AppenText
As a Search Engine Evaluator at Appen, I evaluated search engine results for relevance and quality to support AI algorithm improvements. I applied specific guidelines to provide consistent and high-quality feedback. My work contributed to refining search engine performance and user satisfaction. • Judged the quality and relevance of online search results. • Applied standardized criteria to evaluation tasks. • Worked remotely to meet productivity targets. • Delivered insights to enhance AI-driven search.

As a Search Engine Evaluator at Appen, I evaluated search engine results for relevance and quality to support AI algorithm improvements. I applied specific guidelines to provide consistent and high-quality feedback. My work contributed to refining search engine performance and user satisfaction. • Judged the quality and relevance of online search results. • Applied standardized criteria to evaluation tasks. • Worked remotely to meet productivity targets. • Delivered insights to enhance AI-driven search.

2023 - 2023
Remotasks

AI Training Rater

RemotasksImageBounding Box
In the role of AI Training Rater at Remotasks, I annotated images, text, and audio data for AI model development. I was responsible for data categorization, bounding box tasks, and contributing to annotation accuracy improvements. I consistently met productivity targets under quality guidelines. • Annotated images with bounding boxes and categorized data. • Participated in training for improved annotation skills. • Labeled audio and text data for training datasets. • Ensured output quality by following standards.

In the role of AI Training Rater at Remotasks, I annotated images, text, and audio data for AI model development. I was responsible for data categorization, bounding box tasks, and contributing to annotation accuracy improvements. I consistently met productivity targets under quality guidelines. • Annotated images with bounding boxes and categorized data. • Participated in training for improved annotation skills. • Labeled audio and text data for training datasets. • Ensured output quality by following standards.

2023 - 2023

Education

S

Salford University

Bachelor of Science, Information Technology

Bachelor of Science
2021 - 2021

Work History

No Work History added yet

Onyango R. hasn’t added any Work History to their OpenTrain profile yet.