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Oluwajoba O
@worldpeace789
AI Language QA Specialist , App and Website Tester
Nigeria
English, Yoruba, French
About me
AI Language & QA Specialist with hands-on LLM training, dialogue annotation, and software QA experience. At Telus Africa, I annotated 1,000+ dialogues to train conversational AI in Yoruba & Nigerian English — semantic, pragmatic, and sentiment analysis included. I also do freelance QA, bug reporting, and English–Yoruba localization (including a hospital system UI). I test on Android, iOS, tablet, and desktop for real cross-platform QA. Detail-driven, reliable, and used to remote, deadline-based work.
Skills
Oluwajoba O
Offline •
Average response time: 1 hour
See my services
Data Labeling & Annotation
I will do ai data annotation and llm evaluation
User Testing
I will test and QA your website or app for bug report and usability
Work experience
Yoruba - English Translator
Self Employed • Self-employed
Apr 2024 - Jun 2026 • 2 yrs 2 mos
Localized a Hospital Information Management System (UI strings, manuals, system prompts) from English to Yoruba for a university teaching hospital. Translated academic library resources for Nile University. Created Yoruba terminology glossaries and handled Yoruba transcription and dataset creation.
Quality Assurance and Data Specialist
Freelancer.com
May 2024 - Apr 2026 • 1 yr 11 mos
Managed high-volume data processing with strong attention to detail. Provided detailed bug reports and feedback to developers to improve deliverables. Performed quality audits on software and data outputs against technical documentation and project guidelines.
English Specialist (LLM/dialogue annotation)
TELUS
Jan 2023 - Jan 2026 • 3 yrs
Annotated, labeled, and evaluated 1,000+ dialogues to train conversational AI models in Yoruba and Nigerian English. Conducted semantic, pragmatic, sentiment, and intent analysis to improve model understanding of Yoruba expressions and cultural context. Performed linguistic quality assurance to maintain dataset accuracy. Worked with Appen Platform, Labelbox, and Telus Annotation Console.
