Data Science Lead Analyst - HIH - Evernorth

Data Science Lead Analyst

Position Overview

The Evernorth Innovation Hub (HIH) is seeking a Data Science Lead Analyst to drive the design and delivery of AI/ML and GenAI solutions supporting specialty pharmacy operations. This role serves as the primary technical owner of projects, responsible for translating business problems into working systems.

This requires strong hands-on capability across both machine learning and modern AI approaches, including building LLM-powered applications and retrieval-based systems that operate reliably in production environments.

Key Responsibilities

- Lead the end-to-end development of AI/ML and GenAI solutions, from data exploration to deployment

- Design and implement RAG pipelines, including document processing, embedding strategies, and retrieval optimization

- Build LLM-based applications using frameworks such as LangChain or similar orchestration tools

- Develop workflows involving multi-step reasoning, tool integration, or agent-like behaviors where appropriate

- Translate business requirements into scalable analytical and technical solutions

- Perform advanced data analysis and feature engineering using Python and SQL

- Collaborate with engineering teams to productionize solutions via APIs and containerized services

- Mentor junior team members and contribute to best practices in AI/ML development

- Ensure solutions are measurable, explainable, and aligned with business outcomes

Required Skills

- Strong proficiency in Python and SQL with experience working on complex datasets

- Solid understanding of machine learning techniques, model evaluation, and performance tuning

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Hands-on experience with:

- LLMs (prompt design, evaluation, handling limitations such as hallucination)

- RAG systems (vector databases, embeddings, retrieval strategies)