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I’m Zakariya Muntari, a detail-oriented AI Data Annotation Specialist from Nigeria who enjoys building high-quality training datasets through careful labeling, evaluation, and quality assurance. I’ve worked on structured remote AI-data projects where I follow guidelines closely, maintain consistency across repetitive workflows, and focus on accuracy in both visual and contextual review. I also have hands-on experience with voice recording and speech-data tasks, including transcription and language evaluation. From Toloka and Mindrift projects to freelance/contract assignments, I’m comfortable working independently, meeting deadlines, and producing reliable results that help improve AI vision-language-action and audio-related models.…I’m Zakariya Muntari, a detail-oriented AI Data Annotation Specialist from Nigeria who enjoys building high-quality training datasets through careful labeling, evaluation, and quality assurance. I’ve worked on structured remote AI-data projects where I follow guidelines closely, maintain consistency across repetitive workflows, and focus on accuracy in both visual and contextual review. I also have hands-on experience with voice recording and speech-data tasks, including transcription and language evaluation. From Toloka and Mindrift projects to freelance/contract assignments, I’m comfortable working independently, meeting deadlines, and producing reliable results that help improve AI vision-language-action and audio-related models.

Zakariya Muntari

Data Collector, Data Annotator, AI Trainer, +3

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I’m Zakariya Muntari, a detail-oriented AI Data Annotation Specialist from Nigeria who enjoys building high-quality training datasets through careful labeling, evaluation, and quality assurance. I’ve worked on structured remote AI-data projects where I follow guidelines closely, maintain consistency across repetitive workflows, and focus on accuracy in both visual and contextual review. I also have hands-on experience with voice recording and speech-data tasks, including transcription and language evaluation. From Toloka and Mindrift projects to freelance/contract assignments, I’m comfortable working independently, meeting deadlines, and producing reliable results that help improve AI vision-language-action and audio-related models.…I’m Zakariya Muntari, a detail-oriented AI Data Annotation Specialist from Nigeria who enjoys building high-quality training datasets through careful labeling, evaluation, and quality assurance. I’ve worked on structured remote AI-data projects where I follow guidelines closely, maintain consistency across repetitive workflows, and focus on accuracy in both visual and contextual review. I also have hands-on experience with voice recording and speech-data tasks, including transcription and language evaluation. From Toloka and Mindrift projects to freelance/contract assignments, I’m comfortable working independently, meeting deadlines, and producing reliable results that help improve AI vision-language-action and audio-related models.

Available to hire

I’m Zakariya Muntari, a detail-oriented AI Data Annotation Specialist from Nigeria who enjoys building high-quality training datasets through careful labeling, evaluation, and quality assurance. I’ve worked on structured remote AI-data projects where I follow guidelines closely, maintain consistency across repetitive workflows, and focus on accuracy in both visual and contextual review.

I also have hands-on experience with voice recording and speech-data tasks, including transcription and language evaluation. From Toloka and Mindrift projects to freelance/contract assignments, I’m comfortable working independently, meeting deadlines, and producing reliable results that help improve AI vision-language-action and audio-related models.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

Hausa

Fluent

English

Advanced

Work Experience

AI Data Contributor at Mindrift

January 1, 2024 - Present

Evaluated AI-related project outputs and ensured required quality standards by following detailed task instructions. Produced accurate and consistent results by reviewing content with strong attention to context, correctness, and overall quality, completing assignments within timelines.

Customer Service Agent

January 1, 2023 - Present

Handled inbound and outbound customer communication remotely with professionalism. Used active listening and clear communication to provide accurate information while following established procedures and maintaining attention to detail.

Data Annotation Specialist at Toloka

January 1, 2023 - Present

Completed data evaluation and labeling tasks remotely with a strong focus on accuracy, consistency, and guideline adherence. Reviewed and classified data according to project requirements and quality checks, while maintaining performance across repetitive annotation workflows and meeting task deadlines.

Receptionist at Gombe Jewel Hotel

January 1, 2022 - January 1, 2024

Managed front-desk communication and responded to customer inquiries, contributing to improved guest satisfaction and repeat visits. Handled appointment scheduling, guest check-ins, and administrative documentation with high accuracy. Resolved customer complaints professionally, maintaining positive customer experiences under pressure. Maintained customer records and daily operational reports efficiently.

Voice Recording & AI Data Projects (Freelance/Contract)

January 1, 2021 - Present

Worked on voice recording, speech data, transcription, content review, and digital quality assurance for online platforms. Focused on clarity and pronunciation, audio quality, natural delivery, and strict compliance with annotation/recording guidelines to generate consistent training-ready data.

Freelance Digital & Remote Support Tasks at Independent

January 1, 2021 - Present

Completed remote communication and customer support tasks while meeting project deadlines consistently. Utilized online collaboration tools to support remote workflow coordination. Evaluated digital content for accuracy and quality assurance purposes. Demonstrated strong multitasking and organizational skills across multiple assignments.