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KENNETH KARANJA DataAnnotator•AITrainer•QualityReviewer•NLPDataSpecialist | [email protected] | Nairobi,Kenya (OpentoRemote) PROFESSIONALPROFILE Detail-oriented and highly accurate Data Annotator and AI Trainer with extensive experience across leading annotationplatformsandAIresearchcompanies.Skilledinimage,text,audio,andvideoannotationwithastrong understanding of machine learning data requirements, quality assurance workflows, and ontology guidelines. Bringsalinguist'sprecision—honedthroughyearsofKiswahililanguageworkandAItrainingcontributions—to everydataset.Committedtoproducingclean,consistent,andhigh-qualitytrainingdatathatpowersreliableAIand MLmodels. PROFESSIONALEXPERIENCE DataAnnotator&AITrainingSpecialist 2023–Present AtlasCapture • Remote ▪ Annotatediversedatasetsincludingimages,videoframes,audioclips,andtextdocumentsusingAtlas Capture'sproprietaryannotationtoolsandplatform. ▪ Performboundingboxdrawing,polygonsegmentation,semanticlabelling,keypointdetection,andentity taggingacrosslarge-scaledatasets. ▪ Applydetailedontologyandtaxonomyguidelinestoensureannotationsareconsistent,accurate,andmodel- ready. ▪ Completequalityassurance(QA)reviewsonpeerannotations,identifyingandcorrectingerrorstomaintain datasetintegrity. ▪ Meetdailyandweeklythroughputtargetswhilesustainingannotationaccuracyratesabove96%. ▪ Participateincalibrationsessionsandguidelinereviewstoalignannotationstandardsacrossthe contributorteam. ▪ Handlesensitiveandconfidentialdatasetsincompliancewithdatapri