Job Description :Role : Senior Data ScientistWork Exp : 4 - 6 yearsLocation : Pune, MaharastraRole Summary :We are seeking a Senior Data Scientist with 4 - 6 years of hands-on experience in developing machine learning and deep learning models, with a strong focus on text analytics and Natural Language Processing (NLP). The ideal candidate will be responsible for end-to-end ownership - from understanding requirements to designing, developing, and delivering scalable AI solutions. You'll work on cutting-edge projects involving NLP, text analytics, and text generation, while mentoring junior team members and contributing to the innovation culture at ChiStats.Key Responsibilities :- Collaborate with cross-functional stakeholders to gather and translate business requirements into technical solutions.- Design and implement innovative machine learning and deep learning solutions, particularly in NLP and text analytics.- Build, train, and validate models for text analytics, NLP, and text generation tasks.- Perform exploratory data analysis, feature engineering, and statistical modeling.- Evaluate model performance and conduct experiments for optimization and fine-tuning.- Communicate findings, insights, and technical concepts clearly to both technical and non-technical audiences.- Stay current with advancements in machine learning, NLP,



and GenAI technologies.- Mentor and guide junior team members, promoting a culture of technical excellence and collaboration.Required Skill Set :- Strong analytical and problem-solving skills.- Bachelor's or Master's degree in Data Science, Statistics, Mathematics, Computer Science, or related fields.- Proven expertise in text analytics, NLP, machine learning, and deep learning.- Proficient in Python and associated libraries (NumPy, Pandas, Scikit-learn, NLTK, spaCy).- Hands-on experience with deep learning frameworks such as TensorFlow or PyTorch.- Experience using Hugging Face Transformers for training, fine-tuning, and validation.- Robust understanding and practical experience with models like BERT, T5, BART, or FLAN-T5.- Experience in hyperparameter tuning and model optimization in at least one real-world project.- Experience designing RAG pipelines and multi-agentic AI solutions.- Exposure to cloud platforms (AWS, Azure, or GCP) for model deployment.Good-to-Have Skill Set :- In-depth understanding of transformer architectures and advanced NLP techniques.- Experience working with generative models (e.g., GANs, VAEs, GPT).- Familiarity with LangChain, LlamaIndex, or related GenAI development frameworks.- Preferrable from Insurance background. (ref:hirist.tech)

📌 ChiStats - Senior Data Scientist (Pune)
🏢 Chistats Labs Private
📍 Pune