Amos Nii Otinkorang Ankrah
I am a results-driven Quality Assurance and Data Annotation professional with extensive experience in preparing and implementing quality assurance policies, conducting inspections, and resolving workflow issues.
About
I am a results-driven Quality Assurance and Data Annotation professional with extensive experience in preparing and implementing quality assurance policies, conducting inspections, and resolving workflow issues. I have over 4,000 hours of hands-on experience in AI data annotation, specializing in computer vision and natural language processing (NLP) models. My expertise includes advanced labeling techniques such as bounding boxes, polygon annotations, and LIDAR.
I am highly skilled in using industry-leading annotation platforms like Labelbox, V7 Darwin, and CVAT to streamline processes. With strong analytical, communication, and technical skills, I am eager to contribute to a dynamic team and support organizational growth while continuously enhancing my skills in quality assurance and data annotation.
- 5 years' experience
- Joined September 2025
Industry experience
- Computers & Electronics
- Media & Entertainment
- Education
- Professional Services
More experts in Accra, Ghana
Work experience· 5 roles
Developed and implemented comprehensive training modules tailored for data annotation. Conducted training sessions for new and existing annotators, covering annotation guidelines, quality control procedures, and efficient use of annotation tools.
Contributed 4,000+ hours annotating and validating datasets for machine learning models in computer vision and NLP. Applied diverse labeling techniques such as bounding boxes, polygon annotations, and LIDAR annotations. Utilized annotation tools including Labelbox, V7 Darwin, and CVAT to enhance processes.
Developed and implemented quality assurance policies and procedures compliant with ISO 9001 and 25001 standards. Conducted inspections, quality tests, and audits, improving client satisfaction over 90%. Created training materials and operational manuals. Coached employees and interns in data annotation skills.
Education
Certifications and awards
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