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Mercy Uchechi I.

Mercy Uchechi I.

Mindrift — Data annotation/QA expert (Dec 2023–June 2025)

Nigeria flagLagos, Nigeria

Key Skills

Software

MindriftMindrift

Top Subject Matter

AI response quality
annotator QA
e-commerce categorization

Top Data Types

TextText
AudioAudio
DocumentDocument

Top Task Types

TranscriptionTranscription
Text GenerationText Generation
Question AnsweringQuestion Answering
Object DetectionObject Detection

Freelancer Overview

Mindrift — Data annotation/QA expert (Dec 2023–June 2025). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mindrift and Other. Education includes Master of Arts, Madonna University (2024) and Bachelor of Arts, Madonna University (2022). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

Upwork — Freelance writer / transcription work (Jan 2020–Present)

OtherAudioAudioTranscriptionTranscription

Transcribed speeches and spoken content for clients, converting audio to written text. Worked across multiple domains including conversations, political interviews, and academic materials. Delivered transcriptions to support client content review and downstream use. • Transcribed conversational speech accurately • Transcribed political interviews and formal spoken materials • Transcribed academic materials and related spoken content • Ensured timely delivery while maintaining quality standards

2020 - Present
Mindrift

Mindrift — Data annotation/QA expert (Dec 2023–June 2025)

MindriftMindriftTextText

Reviewed AI prompt-response outputs to assess safety, helpfulness, and factual accuracy. Performed quality assurance by reviewing submissions from annotators and providing constructive feedback. Contributed to product and search quality by verifying category alignment and analyzing pairwise search results. • Evaluated responses against safety and factual correctness criteria • Provided feedback to improve annotator submission quality • Verified product-to-category alignment on shopping website data • Compared pairwise search results to select the more relevant option and support recommendation optimization

2023 - 2025

Education

M

Madonna University

Master of Arts, English and Communications

Master of Arts
2022 - 2024
M

Madonna University

Bachelor of Arts, English and Communications

Bachelor of Arts
2018 - 2022

Work History

U

Upwork

Freelance Writer

Lagos
2020 - Present
M

Madonna University

Research Assistant

Lagos
2018 - 2022