Lead Data Scientist

Job description

Location: MakeMyTrip, Bangalore Experience Level: 6-8 years Position: Lead Data Scientist Reimagine Travel decisions with the power of AI @ MakeMyTrip. MakeMyTrip has been AI/ML/Data/Platform powered organization. We are now shaping the future of travel for Bharat customers, with GenAI-centric innovations, leveraging SLMs, Vernacular STT/TTS, and travel content systems. Join us to take these systems, chatbots, Cx, content to next orbit of excellence. About The Role As a Lead data scientist , you will: • Design, develop, and fine-tune multilingual Small Language Models (SLMs) with advanced AI capabilities for agentic applications such as travel destination expertise, Myra bot orchestration, hotel semantic search, and customer support bot assistance. • Build custom Natural Language Inference (NLI) and reward-scoring models to improve preference-based SLM training (DPO, PPO, SteerLM etc), enhancing multi-agent response quality and relevance. • Develop and implement active learning pipelines for data and models, for NLP, Named Entity Recognition (NER), conversational latent intent/concepts, travel-specific embeddings, and domain-specific SLM training for summarization, rephrasing, and planning . • Architect and enhance conversational AI systems to dynamically adapt and comprehend concepts/intents, NLP, and NER tasks across multiple lines of business, supporting the Myra chatbot ecosystem. • Drive end-to-end quality assurance through robust integration and experience testing, establishing objective evaluation metrics and leveraging A/B testing for performance optimization. • Mentor and guide engineering teams in advanced SLM and Generative AI analytics , fostering growth and innovation. • Collaborate across teams to deliver scalable solutions that impact millions of users, ensuring alignment with business goals. • Focus on hosting and deploying Generative AI models on robust and efficient infrastructure to support large-scale operations. What You Bring • Deep experience in Natural Language Processing (NLP & NLI), tiny/small language models, base language model retraining (both transformer and BERT based architectures). • Extensive experience in conversational NLP systems. • Experience in SLM adaptor fine tuning, SFT training, SLM pruning (base and instruct models) • Experience in retriever frameworks in Q&A bots. • Experience in contrastive learning, graph learning based embedding methods with heterogenous features. • Preferably experience in building NLP active learning pipelines. • Demonstrable experience in scaling your models to large scale search systems is a plus. • Very good critical reasoning skills, data centric NLP/NLI systems. • Must have temperament and hunger to work in fast-paced environment. Why Join Us? Be part of a team revolutionizing the travel industry with cutting-edge AI and Generative AI technologies, impacting millions of users worldwide.