Freelance AI Trainer & Data Labeling Specialist
As a freelance AI Trainer and Data Labeling Specialist at Hansem Global, I managed diverse annotation and evaluation tasks for language model training. My responsibilities included executing RLHF workflows, assessing prompt-response interactions, and ensuring high annotation quality. I consistently maintained best-practice QA standards across large-scale multilingual text datasets. • Performed over 5,000 annotation and evaluation tasks for multilingual text data • Executed pairwise comparison, preference ranking, and reward data generation • Flagged hallucinations, bias, and content safety issues in AI outputs • Used Label Studio and Doccano for detailed annotation and QA