Ahtsham Hussain

Data Scientist @T-Systems ICT India Pvt. Ltd.

Pune, IN

GenAI & Large Language Models (LLMs):Designed advanced tools leveraging Retrieval-Augmented Generation (RAG), incorporating both open-source LLMs (such as Mistral, Gemma, and Falcon) and proprietary models (including Gemini 1.5 Pro, GPT-4, and PaLM-2).Developed cutting-edge methodologies for data chunking, embedding strategies, hybrid search, retrieval mechanisms, re-ranking techniques, response generation, and reducing hallucinations in model outputs.Optimized LLM performance through techniques like quantization, Parameter-Efficient Fine-Tuning (PEFT), vLLM, and Reinforcement Learning from Human Feedback (RLHF).Integrated Multi-Agent frameworks (e.g, CrewAI) to enhance collaborative AI workflows.Utilized open-source vector databases such as ChromaDB and FAISS for efficient storage and retrieval.Natural Language Processing (NLP):Built and refined NLP solutions using transformer-based and encoder-decoder architectures, improving automation and system efficiency.Applied BERT and GPT models for text classification, sentiment analysis, and semantic search, incorporating Hugging Face tools and sentence transformers for streamlined text processing.Google Cloud Platform (GCP):Developed an Advanced RAG pipeline on Google Cloud Platform (GCP), leveraging services like Vertex AI, Vector Search, Vertex Endpoint, Cloud Run, Pub/Sub, Cloud Storage, and Vertex Embedding.Led AI-driven solutions on GCP, optimizing model deployment, workflow orchestration, data management, and overall system efficiency using Vertex AI and cloud-native services.

Amity University jaipur

Bachelor's degree, Computer Engineering