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Job Description
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
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
- LangChain / LlamaIndex (or similar frameworks)
- Scikit-learn / XGBoost / LightGBM
- PyTorch / TensorFlow
- HuggingFace / OpenAI / LLM APIs
- Vector databases (Pinecone, FAISS, Weaviate, OpenSearch, etc.)
- SQL and data querying
- Experience with AWS / Azure / GCP
- CI/CD for ML deployments
- Model tracking tools (MLflow preferred)
- 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
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)
Skills
PythonMachine LearningData ScientistPrompt EngineeringLarge Language ModelsAiMlSqlLlmLlmsGenerative AiGenaiRagFine-tuningEmbeddingsOpenaiHuggingfaceModel EvaluationLangchainLanggraphLlamaindexAutogenAgenticVector SearchPineconeWeaviateFaissPytorchTensorflowScikit-learnNlpMlopsMlflowIf a job posting appears fraudulent, asks for payment, contains misleading information, or violates our guidelines, please report it immediately. Our team will review it promptly, Jobaaj does not charge any fee from the applicants.
About Company
LexisNexis Legal & Professional is a leading global provider of legal, regulatory and business information and analytics that help customers increase productivity, improve decision-making and outcomes, and advance the rule of law around the world. We help lawyers win cases, manage their work more efficiently, serve their clients better and grow their practices. We assist corporations in better understanding their markets and preventing bribery and corruption within their supply chains. We partner with leading global associations and customers to help collect evidence against war criminals and provide tools to combat human trafficking. We endeavour to advance the rule of law across the world.
LexisNexis Legal & Professional is a leading global provider of legal, regulatory and business information and analytics that help customers increase productivity, improve decision-making and outcomes, and advance the rule of law around the world. We help lawyers win cases, manage their work more efficiently, serve their clients better and grow their practices.
We assist corporations in better understanding their markets, monitoring their brands and competition, and in mitigating business risk. We collaborate with universities to educate students, and we support nation-building with governments and courts by making laws accessible and strengthening legal infrastructures. We partner with leading global associations and customers to collect evidence against war criminals and provide tools to combat human trafficking. LexisNexis Legal & Professional, which serves customers in more than 130 countries with 10,000 employees worldwide, is part of RELX Group, a global provider of information and analytics for professional and business customers across industries.
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