Greetings from TCS!!

Role: Gen AI Data Scientist

Data Scientist and ML Engineer

Skills: GenAI, LLM, AI Agents, RAG, Python

Location: Chennai, Hyderabad, Bangalore, Mumbai, Gurgaon, PUNE, Kolkata.

Preferred candidate profile :

- Hands-on experience with GenAI, Gemini or Open source LLMs and develop GenAI applications for Code Translation, Text Extraction, Summarisation and SDLC Optimization etc.
- Hands-on Experience with AI Agents, Chat bots, RAG (Retrieval-Augmented Generation), and vector databases. ( PG vector / croma DB )
- Hands-on Experience with GenAI Performance Evaluation tools like Pegasus, Ragas, DeepEval
- Create Conversational Interface with React JS or other Frontend components, Develop and deploy AI agents using LangGraph and ADK, A2A, MCP
- Strong programming skills in Python (experience with LangChain/LangGraph / LangSmith frameworks) and TypeScript ( preferable )
- Solid understanding of LLMs, prompt engineering, and graph-based workflows.
- Knowledge and implementation of Input and Output guardrails in addressing Hallucination, PII filtering, HAP and Bias etc.
- Implemented security best practices, Experience to address spikes and Denial of wallet attacks, DDoS attack and other Spike arrest strategies
- Knowledge of API Gateways and ISTIO , ability to Diagnose and intercept failures in End to End communication




- Hands-on Experience with API Development and Microservices architecture

Desirable skills/knowledge/experience: (As applicable)

- Strong experience applying machine learning, statistical modelling, and predictive analytics to realworld business problems.
- Collaborate with cross-functional teams to ability to resolve end to end connectivity and Data Integrations
- Experience working with large, complex datasets, including data cleaning, feature engineering, and exploratory data analysis.
- Familiarity with LLMs, NLP techniques, and GenAI frameworks, including embeddings, prompt engineering, or finetuning.
- Experience building endtoend ML pipelines, including model validation, optimisation, deployment, and monitoring.
- Understanding of MLOps practices, including model versioning, model registries, CI/CD for ML, and automated training/inference workflows.
- Ability to translate business problems into analytical tasks and communicate insights in a clear, concise manner to technical and nontechnical audiences.
- Knowledge of data governance, including data quality, lineage, ethics, privacy considerations, and responsible AI principles.
- Comfort working with cloud platforms (GCP preferred) for model training, deployment, and scalable compute.
- A growthoriented mindset with enthusiasm for exploring recent algorithms, tools, and emerging AI/ML techniques.

📌 GenAI Data scientist (Kolkata)
🏢 Tata Consultancy Services
📍 Kolkata