Mahrun Nisha

AI/ML Learning Engineer Data Annotator & Evaluator | Personalization & Search Relevance | Data Quality Assurance I Language Bilingual with 6+ Years of Experience in the Artificial Intelligence and data services industry, currently working as a full-time freelancer on diverse global projects. Specialized in data annotation, AI evaluation, and quality assurance across image, video, text, and geospatial datasets. Experienced with tools like Amazon SageMaker, MTurk, CVAT, Mindkosh, UHRS, Label Studio, and client-specific platforms such as Ice COW. Expertise includes segmentation, polygon, LiDAR, video, image, and text annotation, along with e-commerce data classification and product categorization tasks. Also skilled in bounding box annotation and handling large-scale microtask projects involving vehicles, persons, body parts, faces, and real-world objects with high accuracy. Working as an AI Evaluator & Personalization Specialist, with experience in image quality assessment, map evaluation, and user-focused content ranking. Strong understanding of annotation guidelines, error detection, and maintaining high-quality standards. Experienced in multilingual projects (Hindi & English), improving localization and contextual accuracy for AI systems. Capable of managing end-to-end annotation workflows — from execution to quality validation and delivery — with a strong focus on accuracy, efficiency, and client satisfaction