Sr. Data Scientist
Relx
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What scientist roles keep asking for: Python (47%), Machine learning (36%), SQL (22%), C++ (18%), Java (17%), Deep learning (14%), R (13%), LLMs (12%) — counted across their open postings here.
Data Scientist jobs in India · Remote Data Scientist jobs · AWS jobs · Azure jobs · CI/CD jobs · Elasticsearch jobs
Relx has 912 open roles listed here.
- Customer Support Representative
- Customer Success Analyst I
- Customer Support Representative
- Customer Support Representative
- Senior Data Scientist I
Counted across 14 company job boards, updated as roles open and close.
Preparing for this interview
Interviews for scientist roles keep coming back to Python, Machine learning, SQL, C++. Practise those questions before you sit with Relx.
Questions you are likely to be asked
- Why do you want to join Relx?
- What is your experience with Generative AI? Tell me one thing you learned the hard way.
- How did you know your model was actually good, and not just good on your test set?
- Tell me about a time the data was messy or wrong. What did you do?
- How would you explain your model's result to someone who is not technical?
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Practise the Sr. Data Scientist at Relx interview free →About The Role: The Sr. Data Scientist to work on complex project involving AI, GenAI, RAG and Agentic Solution for the business delivery projects Responsibilities Design, develop, and deploy machine learning and GenAI solutions in production environments Build and optimize Retrieval-Augmented Generation (RAG) pipelines Fine-tune and evaluate Large Language Models (LLMs) Develop prompt engineering strategies and evaluation frameworks Implement scalable ML pipelines using Python Work with structured and unstructured data sources Collaborate with Engineering, Product, and SMEs to deliver AI-driven features Monitor model performance, drift, and reliability in production Conduct experimentation, A/B testing, and performance benchmarking Contribute to architecture design for AI-powered systems Requirements Experience: 6–8 Years Core Stack Python (advanced proficiency) Machine Learning (supervised/unsupervised learning, NLP) Generative AI (LLMs, prompt engineering, embeddings) RAG architecture and vector search Model evaluation and validation frameworks ML & AI Tools LangChain / LlamaIndex (or similar frameworks) Scikit-learn / XGBoost / LightGBM PyTorch / TensorFlow HuggingFace / OpenAI / LLM APIs Vector databases (Pinecone, FAISS, Weaviate, OpenSearch, etc.) Data & Infrastructure SQL and data querying Experience with AWS / Azure / GCP CI/CD for ML deployments Model tracking tools (MLflow preferred) Good to Have Experience in legal, regulatory, or publishing domains Experience with model monitoring and MLOps Knowledge of fine-tuning techniques (LoRA, PEFT, QLoRA) Experience with multi-agent frameworks (AutoGen, LangGraph, etc.){Empty} Working for you: We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Comprehensive Health Insurance: Covers you, your immediate family, and parents. Enhanced Health Insurance Options: Competitive rates negotiated by the company. Group Life Insurance: Ensuring financial security for your loved ones. Group Accident Insurance: Extra protection for accidental death and permanent disablement. Flexible Working Arrangement: Achieve a harmonious work-life balance. Employee Assistance Program: Access support for personal and work-related challenges. Medical Screening: Your well-being is a top priority. Modern Family Benefits: Maternity, paternity, and adoption support. Long-Service Awards: Recognizing dedication and commitment. New Baby Gift: Celebrating the joy of parenthood. Subsidized Meals in Chennai: Enjoy delicious meals at discounted rates. Various Paid Time Off: Take time off with Casual Leave, Sick Leave, Privilege Leave, Compassionate Leave, Special Sick Leave, and Gazetted Public Holidays. Free Transport pick up and drop from the home -office - home (applies in Chennai) 





 We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here . Please read our Candidate Privacy Policy . We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights .
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Listed on workday · posted 2026-09-18. ApplySarthi collects openings and links to application pages; the role is advertised by Relx, not by us.