Cognizant · 6 hours ago
Senior Data Scientist
Raleigh, NC
Full-time
Hybrid
Mid, Senior Level
$120K/yr - $150K/yrCognizant is seeking a Senior Data Scientist to enhance modern businesses through innovative product development. In this role, you will develop LLM-based applications, collaborate with legal experts, and ensure high standards of data integrity and model performance.
ConsultingIndustrial AutomationInformation TechnologySoftwareSoftware Engineering
No H1B
Responsibilities
Develop and implement LLM-based applications tailored for in-house legal needs, ensuring they align with Cognizant's commitment to excellence and innovation
Evaluate and maintain our data assets and training/evaluation datasets, ensuring they meet the highest standards of integrity and quality
Design and build pipelines for preprocessing, annotating, and managing legal document datasets, fostering a customer-centric mindset
Collaborate with legal experts to understand requirements and ensure models meet domain-specific needs, working as one team
Conduct experiments and evaluate model performance to drive continuous improvements, raising the bar in all deliverables
Evaluate AI/ML and GenAI outcomes, both human and automated, to ensure accuracy, reliability, and alignment with business objectives
Qualification
Required
Strong hands-on experience and foundations in machine learning, including dimensionality reduction, clustering, embeddings, and sequence classification algorithms
Experience with deep learning frameworks such as PyTorch, TensorFlow, and Hugging Face Transformers
Practical experience in Natural Language Processing methods and libraries such as spaCy, word2vec, TensorFlow, Keras, PyTorch, Flair, BERT
Practical experience with large language models, prompt engineering, fine-tuning, and benchmarking using frameworks such as LangChain and LlamaIndex
Strong Python background
Knowledge of AWS, GCP, Azure, or other cloud platforms
Understanding of data modeling principles and complex data models
Proficiency with relational and NoSQL databases as well as vector stores (e.g., Postgres, Elasticsearch/OpenSearch, ChromaDB)
Preferred
Knowledge of Scala, Spark, Ray, or other distributed computing systems is highly preferred
Knowledge of API development, containerization, and machine learning deployment is highly preferred
Experience with ML Ops/AI Ops is highly preferred
Benefits
Medical/Dental/Vision/Life Insurance
Paid holidays plus Paid Time Off
401(k) plan and contributions
Long-term/Short-term Disability
Paid Parental Leave
Employee Stock Purchase Plan
Company
Cognizant
Cognizant is a professional services company that helps clients alter their business, operating, and technology models for the digital era.
Founded in 1994
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$0.24MKey Investors
Summit Financial Wealth Advisors
2025-03-08Post Ipo Equity
2016-11-18Post Ipo Equity· $0.24M
1998-06-19IPO
Leadership Team
Ravi Kumar S
Chief Executive Officer
Anil Cheriyan
CTO / EVP Strategy & Technology
Recent News
Indian Express
2026-02-04
Hindu Business Line
2026-02-03
Mexico Business
2026-02-03
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