AI/ML Engineer at Centific (NLP model training and fine-tuning for customer experience)
Built and deployed transformer-based NLP pipelines to classify customer intent and sentiment from large-scale banking interaction text. Applied parameter-efficient fine-tuning methods (LoRA/PEFT) on proprietary banking datasets while supporting stringent data privacy and governance requirements. Implemented retrieval-augmented conversational flows to generate appropriate responses for account inquiries and financial guidance. • Used AWS SageMaker to fine-tune BERT/RoBERTa models for intent detection and query classification • Employed Hugging Face Accelerate and AWS EC2 with LoRA/PEFT for efficient model adaptation • Implemented real-time conversational pipelines with LangChain and FAISS for relevant retrieval • Tracked and optimized experiments with Optuna and MLflow to improve model accuracy and satisfaction metrics