Ihejirika Kingsley
I’m Ihejirika Kingsley, a detail-oriented Data Annotation Specialist with 5+ years of experience delivering high-quality multilingual datasets for AI and machine learning.
About
I’m Ihejirika Kingsley, a detail-oriented Data Annotation Specialist with 5+ years of experience delivering high-quality multilingual datasets for AI and machine learning. I’ve worked across text, image, audio, and LLM-related data, handling transcription, translation, interpretation, and linguistic validation with a strong focus on accuracy and consistency.
I’m especially proud of creating and refining annotation guidelines that reduce errors and improve overall dataset quality. Alongside data labeling and QA, I also support documentation and AI training materials through copywriting, and I enjoy collaborating with teams to maintain 99% QA accuracy while helping others grow through mentoring and feedback.
- 6 years' experience
- Joined November 2025
Skills· 9
Languages
- EnglishFluent
- Hebrew (modern)Fluent
- ArabicIntermediate
- IgboFluent
- FrenchFluent
- HausaFluent
- YorubaFluent
Industry experience
- Media & Entertainment
- Software & Internet
- Professional Services
- Other
Work experience
Annotated multilingual text, image, audio, and LLM datasets. Performed transcription, translation, and interpretation tasks. Created annotation guidelines that reduced errors by 28%. Achieved 99% QA accuracy and mentored junior annotators to improve consistency and quality across projects.
Labeled NLP and speech datasets with multilingual transcription and localization (English/French). Supported copyright writing for AI training documentation. Improved turnaround time by 20% while maintaining quality standards.
Education
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