Data Scientist - Generative AI and Machine Learning

Role Overview Tata Consultancy Services is looking for an experienced Data Scientist to join its Chennai team. This is a mid-senior level full-time opportunity for professionals with 4 to 15 years of hands-on experience in data science, machine learning, and generative AI. The ideal candidate will drive advanced AI initiatives and work at the cutting edge of large language models and agentic AI systems. Key Responsibilities - Design and develop advanced algorithms and predictive models to extract meaningful insights from large and complex datasets - Conduct in-depth exploratory data analysis across NLP, time series, and computer vision capability streams to identify patterns, anomalies, and trends - Fine-tune pre-trained language models for domain-specific tasks and optimize performance for production environments - Build and implement agent-based and agentic AI systems using LLMs for reasoning, planning, and multi-step task execution - Collaborate with cross-functional teams to define project goals, integrate AI models into live production systems, and ensure scalable deployment - Leverage cloud-based AI platforms such as AWS, Azure, and GCP to build efficient and scalable solutions - Apply MLOps best practices for model deployment, continuous monitoring, and lifecycle management - Mentor junior data scientists, provide technical direction, and stay current with emerging trends in generative AI and data science Required Qualifications - Advanced degree in mathematics, statistics, computer science, or a closely related discipline - Strong foundational knowledge of statistical analysis, machine learning techniques, and deep learning architectures - Proven experience developing and deploying AI and generative AI systems in real-world production environments - Proficiency in Python or R along with key libraries including pandas, NumPy, scikit-learn, TensorFlow, and PyTorch - Working knowledge of cloud AI services across AWS, Azure, or GCP - Hands-on experience with generative AI, LLMs, and agentic frameworks for autonomous task execution Why Join Us TCS offers a globally recognised platform where top data science talent can work on transformative AI projects that shape industries worldwide. This is a chance to grow your expertise in generative AI while contributing to high-impact solutions within one of India's most respected technology organisations.

- 4 to 15 years of experience in data science or a related field - Advanced degree in mathematics, statistics, computer science, or related discipline - Strong knowledge of machine learning, deep learning, and statistical analysis - Hands-on experience with generative AI and large language models - Proficiency in Python or R with libraries such as pandas, NumPy, scikit-learn, TensorFlow, PyTorch - Experience with agent-based and agentic AI systems - Familiarity with cloud AI platforms including AWS, Azure, and GCP - Knowledge of MLOps practices for model deployment and monitoring - Experience in NLP, time series, or computer vision streams - Ability to mentor junior team members and lead technical discussions

- Opportunity to work on cutting-edge generative AI and LLM projects - Global exposure within a leading IT consulting organisation - Collaborative and innovation-driven work culture - Professional growth and learning opportunities - Walk-in interview process for quick hiring