Senior Software Development Engineer Search Machine Learning

CVS Health is dedicated to building a world of health around every individual, emphasizing a connected and compassionate health experience. The Senior Software Development Engineer Search Machine Learning will lead the development of advanced search solutions and optimize search algorithms to enhance user experience for millions of members.

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 machine learning techniques, including classification and ranking models, to significantly improve the relevance of search results
• Explore and implement cutting-edge technologies: Contribute to the exploration and integration of Agentic Solutions, Retrieval-Augmented Generation (RAG), and Large Language Models (LLMs) to enhance search capabilities
• AI Native Coding: Experience in AI driven coding include Claude Code, Copilot
• Analyze search data: Perform in-depth analysis of search queries, user behavior, and search performance metrics to identify areas for improvement and inform optimization strategies
• Collaborate with cross-functional teams: Partner with product managers, engineers, and business stakeholders to understand search requirements, develop solutions, and deliver impactful results
• Develop and evaluate analytical models: Utilize strong knowledge of algorithms and predictive models to investigate search-related problems, detect patterns, and recommend data-driven solutions
• Utilize programming skills: Leverage strong programming skills in Python to explore, examine, and interpret large volumes of search data
• Communicate technical concepts: Effectively communicate complex technical concepts and implications to both technical and non-technical audiences

Requirements:

• 5+ years of professional software engineering experience, with significant depth in search or data-intensive systems
• 3+ years of experience in: Information Retrieval concepts (inverted indexes, scoring models, relevance tuning) Query understanding, Relevancy and Ranking
• Demonstrated execution excellence, from design through production support
• Growth mindset with a track record of mentoring engineers and raising technical standards
• Bachelor's degree or equivalent experience (Highschool diploma plus 4 years relevant work experience)
• Experience with Search platforms: OpenSearch, Elasticsearch, and/or Solr