Uchea Ifeanyi
@ucheaifeanyi
Data annotation specialist delivering high-accuracy multilingual transcription, translation, and audio/video labeling.
What I'm looking for
I am a results-driven data annotation and transcription specialist with extensive experience in multilingual audio and video processing, focused on English, Spanish, and Nigeria Pidgin. I consistently deliver high-quality linguistic annotations—maintaining a 98% average accuracy across transcription and labeling tasks.
I have performed speaker diarization, emotion tagging, acoustic event detection, subtitling, and audio segmentation for large-scale datasets, contributing to improved performance of voice assistants and NLP models. I am proficient with ELAN, Audacity, Praat, TranscriberAG, Label Studio, and major transcription and translation platforms.
I thrive in remote, collaborative environments, working with cross-functional teams to refine labeling standards and enhance training data. I bring strong attention to detail, a commitment to consistency, and the ability to meet tight deadlines to every project.
Experience
Work history, roles, and key accomplishments
Audio & Video Annotation Specialist
OneForma
Jan 2022 - Present (3 years 9 months)
Conduct English and Spanish transcription, translation, and annotation for large-scale speech datasets; performed speaker diarization, emotion tagging, and acoustic event detection while maintaining a 98% average accuracy score.
Data Annotation & Transcription Specialist
Appen / TELUS International
Aug 2019 - Dec 2021 (2 years 4 months)
Provided transcription, translation, and labeling for AI/NLP model training across English, Spanish, and Nigeria Pidgin; used ELAN, Audacity, Praat and TranscriberAG to improve multilingual voice assistant accuracy.
Education
Degrees, certifications, and relevant coursework
University of Lagos
Master of Arts, English and Spanish Language and Culture
Completed a master's degree focusing on English and Spanish language and culture with advanced linguistic and cross-cultural studies.
University of Nigeria, Nsukka
Bachelor of Arts, English and Spanish Language and Literature
Earned a bachelor's degree in English and Spanish language and literature with coursework in linguistics and translation.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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