Chukwuemeka Aloy Nkwocha
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AI Trainer/AI Data Annotation Specialist
Lagos, Nigeria
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Freelancer/ AI Egocentric Data Collector.DataVale AIMay 2026 - Current (6 months)Record household POV videos for robotic training- MOnline Data Analyst/ AI Data Annotation Specialist/CPA & Network Marketing professional.MaekaKael Ventures Nig LTDMar 2009 - Current (17 years 8 months)Design Facebook Ad Creatives with Canva, YouTube video creation for my Truecrime Pets channel, Landing page design with Google sites, WordPress and Systeme.io, Facebook Ads Manager
- Audio & Video Conversation RecorderAleoJul 2026 - Sep 2026 (3 months)• Recorded audio and video conversations under structured project guidelines to support multimodal AI model training.
- AI Trainer – Computer-Use Screen Recording ProjectSuperAnnotateJul 2026 - Sep 2026 (3 months)• Recorded screen activity while completing complex software workflows to generate training data for computer-use AI agents.
• Documented step-by-step actions with structured, timestamped annotations to support model learning of multi-step task execution.
• Followed detailed project specifications to ensure recordings met data quality and consistency standards. - CEgocentric Video Data CollectorClaru.ai, Trainthemai, Human.orgJul 2026 - Sep 2026 (3 months)• Collected and annotated egocentric video datasets across three concurrent AI training platforms, capturing real-world household and task-based activities for robotics and computer vision model training.
• Maintained consistent data quality, ethical compliance, and adherence to each platform's specific annotation and recording specifications. - UAI Model Response Evaluator (Finance)UberAIJul 2026 - Aug 2026 (2 months)• Evaluated multi-turn conversations between users and AI models in financial contexts, tracking factual errors, hallucinations, and reasoning inconsistencies.
• Delivered structured feedback to support model alignment and accuracy improvements in finance-domain responses. - SRobotics Motion Capture AnnotatorSovrano.aiJul 2026 - Aug 2026 (2 months)• Annotated and described robotic motion footage frame by frame, marking precise start/end timestamps for key actions and transitions.
• Applied detailed grading guidelines to tag robotic motion events, ensuring frame-accurate segmentation aligned with project standards.
• Verified timestamp accuracy and alignment across annotations, correcting drift and inconsistencies between labeled events and underlying footage.
• Collaborated with project trainers and reviewers to resolve annotation ambiguities and maintain consistency across the team. - MRubric & Prompt Design SpecialistMeridial.aiMay 2026 - Aug 2026 (4 months)• Designed structured prompts and grading rubrics, defining clear evaluation criteria to standardize AI output assessment.
• Refined rubric guidelines in collaboration with project leads to improve scoring consistency across evaluators. - PAI Chatbot Contributor (Hausa)ProductivePlayhouse.comApr 2026 - Sep 2026 (6 months)• Annotated and evaluated Hausa-language conversational AI outputs for fluency, grammar, and cultural accuracy, delivering structured feedback to improve multilingual model performance.
- WEnglish Audio EvaluatorWelocalize.comApr 2026 - Sep 2026 (6 months)• Evaluated AI-generated and recorded English audio for clarity, pronunciation, and fluency against defined QA standards.
- SAudio Data Contributor & LabelerSilencio.io Luel.aiDec 2025 - Apr 2026 (5 months)• Captured, labeled, and categorized ambient and conversational audio datasets across multiple platforms, maintaining strict adherence to technical specifications and data integrity standards.
- Egocentric Video Data Collector & Annotatormicro1.aiDec 2025 - Apr 2026 (5 months)• Recorded and annotated high-quality egocentric (first-person) video of household and object-interaction activities to train robotics and computer vision models, producing structured datasets with precise multi-object interaction sequencing.
• Maintained 98%+ annotation accuracy across delivered datasets, verified through internal quality review, while complying with strict visual consistency and ethical standards. - AVideo Data Annotation ExpertAtlasCapture.ioNov 2025 - Mar 2026 (5 months)• Performed frame-by-frame analysis of video clips depicting hand-object interactions, defining precise action boundaries and timing, and verifying left- vs. right-hand usage for consistency.
• Identified, flagged, and escalated ambiguous or low-quality annotations per project guidelines, contributing to team-wide accuracy standards. - MAI Tutor / AI Model EvaluatorMindrift.aiJan 2025 - Apr 2026 (1 year 4 months)• Evaluated and ranked LLM-generated responses for accuracy, relevance, and safety guidelines; performed RLHF tasks to align outputs with human intent.
• Identified hallucinations, logical inconsistencies, and recurring failure patterns, delivering structured feedback that improved model reasoning. - UFreelance Creative Writer & Content SpecialistUpwork FiverrJun 2023 - Jan 2026 (2 years 8 months)• Delivered creative writing, video scripts, and SEO content while managing video-editing workflows (Canva, CapCut, Clipchamp), strengthening the visual-review and quality-control skills applied to annotation work.
Education
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- UB.Sc., AgricultureUniversity of Maiduguri, Nigeria
- UM.Sc., Agricultural ExtensionUniversity of Ibadan, Nigeria
- YDiploma in Computer ApplicationYaysib Computer Institute, Nigeria