Senior AI Engineer

Role Description

CVS Health Digital is looking for hands-on, passionate people who want to join a high energy and growing team to make a difference in customers’ lives and who want to be on the forefront of digital innovation that aims to reinvent what a pharmacy and a health care company can be in the digital world. CVS is seeking an experienced Senior AI Engineer to design and implement scalable AI-driven applications. This Senior AI Engineer should have experience with LLMs, RAG, fine-tuning, and related AI/ML domains. Additionally, this Engineer should be skilled in programming languages such as Python, and proficient with cloud-based AI platforms and frameworks. The role requires strong analytical thinking, a deep understanding of model training and evaluation, and the ability to translate business requirements into technical solutions that deliver measurable impact.

• Design, develop, and maintain both front-end interfaces and backend services with AI capabilities
• Create and manage RESTful APIs and integrate AI services such as LLMs, embeddings, and document parsing tools
• Extract, transform, and analyze large datasets to enhance product features and user experience
• Implement highly optimized machine learning pipelines with quantized models for legacy hardware
• Ensure high code quality through rigorous testing, code reviews, and debugging
• Proactively solve technical issues and contribute to all phases of the development lifecycle
• Stay updated with emerging technologies and incorporate them into our operations where beneficial

Qualifications

• 5+ years of overall Software Development experience
• 1+ year developing AI/NLP solutions using LLMs
• 3+ years of Python (or similar) development skills with experience in working with CSV/JSON/XML input formats
• 2+ years of experience working in cloud hosted environments

Requirements

• GCP cloud experience highly desired
• Familiarity with cloud-based LLM services such as Google Vertex AI, Azure OpenAI
• Experience fine-tuning LLMs / SLMs
• Experience in implementing Agent Skills is a plus
• Experience with Retrieval-Augmented Generation (RAG)
• Experience with data processing, data analysis, and building data pipelines
• Solid understanding of rule-based processing and data-driven content generation
• Experience with lightweight local development for AI proof-of-concepts
• Prior work on e-commerce, retail, or marketing content generation
• Experience with LangGraph and LangSmith
• Building scalable cloud solutions
• Familiarity with databases (SQL, NoSQL)

Education

• Bachelor’s degree or equivalent experience (HS diploma + 4 years relevant experience)

Benefits

• Comprehensive medical, dental, and vision coverage
• Paid time off
• Retirement savings options
• Wellness programs
• Other resources, based on eligibility