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Nnedi Osegbo

Data Annotation Specialist at SigmaAI

Nigeria flagLagos, Nigeria
IntermediateLabel StudioTelus

Key Skills

Software

Label StudioLabel Studio
TelusTelus

Top Subject Matter

Generative AI Training
Content Quality & Search AI

Top Data Types

TextText
ImageImage

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotation Specialist at SigmaAI. Core strengths include Label Studio and Telus. Education includes Bachelor of Science, University of Lagos (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Intermediate

Labeling Experience

Label Studio

Data Annotation Specialist at SigmaAI

Label StudioText
I evaluated, annotated, and refined AI-generated content for generative models to enhance output quality. Multi-modal tasks were designed and implemented, spanning text, audio, image, and video data for scenario-driven annotation pipelines. I upheld rigorous quality assurance processes to ensure annotation accuracy and consistency. • Summarized and evaluated generative AI outputs for context, safety, and logic • Designed structured, multi-modal annotation tasks with edge case considerations • Transcribed, normalized, and translated audio for speech recognition models • Conducted dataset audits and inter-annotator calibration for quality assurance

I evaluated, annotated, and refined AI-generated content for generative models to enhance output quality. Multi-modal tasks were designed and implemented, spanning text, audio, image, and video data for scenario-driven annotation pipelines. I upheld rigorous quality assurance processes to ensure annotation accuracy and consistency. • Summarized and evaluated generative AI outputs for context, safety, and logic • Designed structured, multi-modal annotation tasks with edge case considerations • Transcribed, normalized, and translated audio for speech recognition models • Conducted dataset audits and inter-annotator calibration for quality assurance

2023 - Present
Telus

Data Analyst at Telus Digital

TelusTextClassification
I contributed structured labels and evaluation signals to machine learning pipelines focused on content quality and relevance. Tasks included classification, evaluation, and rigorous content assessment across digital media and search results. Emphasis was placed on applying quality rubrics and analyzing information retrieval effectiveness. • Provided structured labels and evaluation for ML training • Applied strict rubrics for content quality and relevance evaluation • Specialized in search result and product content analysis • Managed real-time reporting and scheduling reflective of AI agent stress scenarios

I contributed structured labels and evaluation signals to machine learning pipelines focused on content quality and relevance. Tasks included classification, evaluation, and rigorous content assessment across digital media and search results. Emphasis was placed on applying quality rubrics and analyzing information retrieval effectiveness. • Provided structured labels and evaluation for ML training • Applied strict rubrics for content quality and relevance evaluation • Specialized in search result and product content analysis • Managed real-time reporting and scheduling reflective of AI agent stress scenarios

2022 - 2023

Education

U

University of Lagos

Bachelor of Science, Botany

Bachelor of Science
2022 - 2022

Work History

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Nnedi O. hasn’t added any Work History to their OpenTrain profile yet.