Lead Data Scientist

Responsibilities

• Develop, fine-tune, and deploy Large Language Models (LLMs) for chatbots, virtual assistants, and enterprise AI solutions
• Build and optimize conversational AI solutions and implement LLM agent development frameworks like LangChain, LlamaIndex, AutoGen, and LangGraph
• Design and develop ML/DL-based models to enhance natural language understanding
• Implement retrieval-augmented generation (RAG) using vector databases such as FAISS, Pinecone, Weaviate, or ChromaDB
• Optimize transformer-based models (GPT, LLaMA, Mistral, etc.) through prompt engineering and fine-tuning strategies
• Develop APIs and pipelines using Docker and FastAPI to integrate AI models into enterprise applications
• Research latest advancements in LLM architectures and AI trends to maintain cutting-edge capabilities

Requirements

• 5-8 years of experience in Machine Learning (ML), Deep Learning (DL), and NLP-based model development
• Strong proficiency in Python and experience with frameworks such as TensorFlow, PyTorch, or Hugging Face Transformers
• Hands-on experience with LLM agent frameworks (LangChain, LlamaIndex, etc.) and vector databases
• Familiarity with cloud services including AWS, GCP, or Azure for large-scale model deployment
• Experience with model deployment tools including Docker and FastAPI
• Strong analytical and problem-solving skills with the ability to work in a fast-paced environment

Preferred Qualifications

• Experience with Multi-modal AI models (text-to-image, text-to-video, speech synthesis)
• Knowledge of Knowledge Graphs and Symbolic AI
• Understanding of MLOps and LLMOps for scalable AI solutions
• Experience with automated evaluation of LLMs and bias mitigation techniques
• Research experience or published work in LLMs, NLP, or Generative AI

Benefits

• Opportunity to work on cutting-edge LLM and Generative AI projects
• Collaborative and innovative work environment
• Competitive salary and benefits
• Career growth opportunities in AI and ML research and development

About the Company

Yubi is re-defining global debt markets by freeing the flow of finance between borrowers, lenders, and investors. As a leading fintech unicorn, Yubi provides a holistic product suite for the discovery, investment, fulfillment, and collection of debt solutions. We are a team of over 1,000 motivated individuals dedicated to transforming the global institutional debt market through technology.