Anh Ha Hoang

Full-Stack Developer Intern

Integrated and evaluated Google Gemini API for automated data parsing. Conducted API testing with Postman and database validation in MySQL for a banking system.

JavaAngularGoogle Gemini APIPostmanMySQLAPI TestingDatabase Validation

Data Annotator & Language Evaluator

Performed text classification, intent labeling, and structured data categorization for NLP training datasets. Evaluated Vietnamese language content for grammatical correctness, naturalness, tonal accuracy, and contextual fit.

Text ClassificationIntent LabelingLanguage EvaluationTranscription ReviewAudio Recording

AI Trainer

Outlier.ai

Evaluated and ranked AI responses side-by-side across accuracy, fluency, coherence, and instruction adherence. Performed RLHF preference labeling and reviewed prompts for factual accuracy, hallucination, logical consistency, and safety concerns.

Response RankingRLHFPrompt EngineeringFactuality ReviewSafety EvaluationVideo Recording

Freelance Data Annotation Specialist

Conducted label quality assurance and safety flagging across batches. Completed search relevance rating and image/video labeling tasks including bounding boxes and scene classification.

Label Quality AssuranceSafety FlaggingRelevance RatingImage LabelingVideo LabelingBounding Box Annotation