Senior ML Search Engineer — Scalable Relevance & Retrieval

CVS Health; Arizona; Hybrid; USD 93,000 - 204,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Paid time off

Retirement savings

Job summary

CVS Health is evolving the Find Care experience with a Senior Software Development Engineer Search Machine Learning. You will guide teams building high-impact search capabilities that help millions of members discover providers and care options.

Responsibilities include developing advanced search solutions, applying ML techniques for relevance, and exploring RAG/LLMs. Collaborate with cross-functional teams and mentor engineers while leveraging Python to analyze large search data sets.

Qualifications

• 5+ years of professional software engineering experience, with significant depth in search or data-intensive systems.
• 3+ years of experience in information retrieval concepts, query understanding, relevancy and ranking.
• Experience in AI-driven coding include Claude Code, Copilot.

Responsibilities

• Develop and implement advanced search solutions: Lead the development and optimization of search algorithms and systems utilizing technologies such as Elastic/OpenSearch.
• Fine-tune search relevance: Apply ML techniques, including classification and ranking models, to improve relevance of search results.
• Explore and implement cutting-edge technologies: Integrate Agentic Solutions, Retrieval-Augmented Generation (RAG), and Large Language Models (LLMs).
• Analyze search data: Analyze queries, user behavior, and performance metrics to identify improvements.
• Collaborate with cross-functional teams: Partner with product managers, engineers, and stakeholders to deliver search solutions.
• Develop and evaluate analytical models: Use algorithms and predictive models to investigate search problems and propose data-driven solutions.
• Utilize programming skills: Leverage Python to explore and interpret large volumes of search data.
• Communicate technical concepts: Explain technical concepts to both technical and non-technical audiences.

Skills

Information Retrieval concepts

Python programming

Mentoring engineers

AI-driven coding

Education

Bachelor's degree or equivalent experience

Tools

OpenSearch/Elasticsearch

Solr

RAG/LLMs

Python

Job description

CVS Health is evolving the Find Care experience with a Senior Software Development Engineer Search Machine Learning. You will guide teams building high-impact search capabilities that help millions of members discover providers and care options.

Responsibilities include developing advanced search solutions, applying ML techniques for relevance, and exploring RAG/LLMs. Collaborate with cross-functional teams and mentor engineers while leveraging Python to analyze large search data sets.