Job Description

Your Role

The AI & Machine Learning team works in partnership across the enterprise to accelerate business outcomes by applying AI, machine learning, and generative AI to build intelligent products that create "intelligence at scale." Reporting to the Director, AI & Machine Learning, the Data Scientist, Principal will lead the development and deployment of novel applications that leverage generative AI models. This role focuses on rapidly developing new features and working across partner teams to deliver solutions and maximize impact, translating cutting-edge AI research into real-world products and taking features from 0 to 1. You will design, build, and ship production-grade AI products including LLM-powered applications, AI agents and copilots, retrieval-augmented generation (RAG) and search, and AI-enabled automation embedded directly into customer-facing applications and enterprise workflows such as claims, payment integrity, clinical insights, and member experience. You will set the technical direction for how AI is applied across the organization.

Responsibilities

Your Work

In this role, you will:

• Lead the development and deployment of novel applications that leverage generative AI models, setting the technical direction for AI and machine learning across the organization
• Design and develop scalable applications leveraging generative AI models including LLM applications, copilots, agents, and RAG and search, embedded in customer-facing products and enterprise workflows
• Rapidly prototype new features and iterate based on evaluation results
• Lead the architecture and development of new products and features from 0 to 1
• Collaborate with researchers and product managers to translate cutting-edge AI research into tangible product features
• Build the APIs, services, and data and retrieval pipelines that expose AI capabilities to applications
• Optimize software performance and ensure the reliability of deployed applications
• Champion best practices for building and deploying generative AI applications
• Evaluate model performance, analyze results, and implement improvements, ensuring responsible and compliant AI
• Mentor and develop team members, fostering a collaborative and high-performing environment

Qualifications

Your Knowledge and Experience

• Bachelor's degree in computer science, a quantitative discipline, or equivalent practical experience
• 8 years of experience in software development and applied AI/ML with a Bachelor's degree; or 5 years with a Master's; or a PhD with relevant experience
• Proven track record of building and shipping software products rapidly-not just developing models or analyses
• Strong software engineering skills and proficiency in Python, including building APIs and backend services
• Experience leading ML design and optimizing ML infrastructure-model deployment, evaluation, and data processing-and working with machine learning frameworks and libraries
• Hands-on experience with deep learning and LLM application frameworks, including PyTorch, TensorFlow, LangChain, and LangGraph
• Hands-on experience building applications that leverage generative AI models, including prompt engineering and retrieval-augmented generation (RAG)
• Experience with generative AI research or applications preferred
• Experience designing agent-based systems and orchestration frameworks preferred
• Experience with cloud computing platforms and infrastructure (e.g., Azure, Google Cloud, or AWS), and scalable data processing with SQL or Spark preferred
• Solid MLOps and LLMOps practices, including CI/CD, monitoring, and model lifecycle management preferred
• Experience rapidly developing and shipping software in a fast-paced, customer-facing environment, adapting to changing priorities preferred
• Understanding of responsible AI and governance for regulated or healthcare environments preferred

Hybrid

This role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.

Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.

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Our Values:

At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

Our Workplace Model:

We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our workplace model is designed around intentional in-person interaction, collaboration, connection, creativity and flexibility:

• For most teams, this means coming into the office two days per week.
• Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.
• For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.

The Company reserves the right to require more presence in the office based on business needs, and requirements are subject to change with periodic reviews.

Physical Requirements:

Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.

Please click here for further physical requirement detail.