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Freelancer Overview
IFECHUKWUDE WISDOM ONYEKA Nigeria | Remote | [email protected] | +234 814 075 7048 PROFESSIONAL SUMMARY Results-driven Data Annotation Specialist delivering high-accuracy labeling across text, audio, image, and video datasets for AI/ML training. Known for exceeding quality benchmarks, maintaining near-perfect accuracy, and processing large data volumes efficiently under tight deadlines. Strong in guideline compliance, QA collaboration, and producing reliable datasets that improve model performance. CORE SKILLS Data Annotation (Text, Image, Audio, Video) (cid:127) NLP Labeling (cid:127) Content Moderation (cid:127) Sentiment & Intent Analysis (cid:127) Search Relevance (cid:127) Quality Assurance (cid:127) Excel & Google Sheets (cid:127) Web-based Tools (cid:127) Accuracy (cid:127) Remote Collaboration PROFESSIONAL EXPERIENCE Data Annotator — Aurora Studio (Remote) | Nov 2024 – Present (cid:127) Label audio and text datasets for speech recognition and NLP models (cid:127) Apply timestamps, tags, and quality markers with 99%+ consistency (cid:127) Conduct QA checks to minimize errors and improve dataset reliability (cid:127) Deliver high-volume annotations while meeting deadlines Freelance Data Annotator — Appen (Remote) | Feb 2023 – Oct 2023 (cid:127) Labeled 10,000+ text, image, and ad items across NLP and computer vision projects (cid:127) Achieved 100% productivity targets across multiple assignments (cid:127) Followed strict guidelines to ensure accurate, model-r