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R

Roseline C.

Data Annotation / QA Analyst, Mindrift (Jan 2024–Dec 2025)

Nigeria flagN/A, Nigeria

Key Skills

Software

MindriftMindrift
Other
ClickworkerClickworker
CVATCVAT

Top Subject Matter

AI response evaluation
search/recommendation QA
e-commerce taxonomy alignment

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

TranscriptionTranscription
Bounding BoxBounding Box
Text GenerationText Generation
Question AnsweringQuestion Answering
Evaluation/RatingEvaluation/Rating

Freelancer Overview

Data Annotation / QA Analyst, Mindrift (Jan 2024–Dec 2025). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mindrift and Other. Education includes Bachelor of Medical Laboratory Science, University of Nigeria (2025). AI-training focus includes data types such as Text and Document and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

Freelance Writer, Upwork (Jun 2023–Present)

OtherDocumentDocumentTranscriptionTranscription

Produced accurate transcriptions and high-quality written content for diverse clients. Created science blog articles, product reviews, and client-facing materials to support information generation and dataset content creation. Transcribed speeches, political interviews, and academic materials with high accuracy to preserve meaning and details. • Transcribed speeches and interviews accurately • Transcribed political interviews and academic materials • Authored science blog articles and product reviews • Delivered client-facing written content with high quality

2023 - Present
Mindrift

Data Annotation / QA Analyst, Mindrift (Jan 2024–Dec 2025)

MindriftMindriftTextText

Performed QA and evaluation of AI and search-related outputs using established guidelines. Reviewed and verified product-category alignment on e-commerce data to improve dataset accuracy. Conducted safety, helpfulness, and factuality checks on AI-generated responses to ensure compliance and quality standards. • Evaluated pairwise search engine results to identify optimal outputs • Verified product-category alignment for e-commerce entries • Rated AI responses for safety, helpfulness, and factual accuracy • Reviewed annotator submissions and provided structured feedback

2024 - 2025

Education

U

University of Nigeria

Bachelor of Medical Laboratory Science, Medical Laboratory Science

Bachelor of Medical Laboratory Science
2021 - 2025

Work History

U

University Of Nigeria

Medical Laboratory Science Intern

N/A
2024 - Present
U

Upwork

Freelance Writer

Enugu
2023 - Present