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Senior Data Scientist
LexisNexis. Design, develop, and deploy machine learning and GenAI solutions in production environments.
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates advanced proficiency in Python and machine learning, with a strong focus on Generative AI, including LLMs and prompt engineering. Capable of designing and deploying scalable ML pipelines and optimizing RAG architectures in production environments.
Highest-signal resume keywords
Advanced Proficiency In PythonMachine Learning KnowledgeGenerative AI KnowledgeExperience With RAG ArchitectureExperience With PyTorch / TensorFlow
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Machine LearningNatural Language ProcessingModel EvaluationData QueryingA/B TestingPerformance BenchmarkingFine-Tuning TechniquesModel MonitoringCI/CD For ML DeploymentsRetrieval-Augmented Generation
Tools & Technologies
LangChainLlamaIndexScikit-learnXGBoostLightGBMHuggingFaceOpenAIPineconeFAISSAWS
Industry Keywords
Legal DomainRegulatory DomainPublishing DomainMLOpsMulti-Agent Frameworks
Tech Stack
Tools & technologiesAWSAzureGoogle Cloud PlatformPythonPyTorchScikit-LearnSQLTensorflow
About the role
Key responsibilities & impact- 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
What you’ll need- 6–8 years of experience.
- Advanced proficiency in Python.
- Machine learning knowledge, including supervised and unsupervised learning and NLP.
- Generative AI knowledge, including LLMs, prompt engineering, and embeddings.
- Experience with RAG architecture and vector search.
- Experience with model evaluation and validation frameworks.
- Experience with LangChain / LlamaIndex or similar frameworks.
- Experience with Scikit-learn / XGBoost / LightGBM.
- Experience with PyTorch / TensorFlow.
- Experience with HuggingFace / OpenAI / LLM APIs.
- Experience with vector databases such as Pinecone, FAISS, Weaviate, or OpenSearch.
- SQL and data querying skills.
- 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.
- Good to have: experience with model monitoring and MLOps.
- Good to have: knowledge of fine-tuning techniques such as LoRA, PEFT, and QLoRA.
- Good to have: experience with multi-agent frameworks such as AutoGen and LangGraph.
Benefits
Comp & perks- 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: 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)