Software Engineer ChatNow Program

At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first.

We’re looking for people who are determined to make life better for people around the world.

• Driving the implementation of new features and enhancements across the Chat Now platform, ensuring performance, reliability, and security
• Contributing to architectural decisions and technical strategy for full stack development within the Chat Now ecosystem
• Participating in agile development cycles, code reviews, sprint planning, and continuous improvement initiatives
• Building, maintaining, and optimizing Python and JavaScript based microservices that support Chat Now’s agentic orchestration and RAG pipelines
• Implementing and enhancing MCP server integrations, tool-spec definitions, and Cortex marketplace utilities for multi-agent orchestration
• Supporting CI/CD automation for Chat Now builds, leveraging Git Hub Actions, Jira workflows, and environment promotion across DEV, QA, and PROD
• Working with MLflow, Lang Fuse, and Power BI to monitor model performance, version control, and conversational analytics
• Following internal security, compliance, and AI Registry protocols to ensure alignment with responsible AI and data privacy standards
• Collaborating closely with AI architects, technology integrators, and other developers to enhance system reliability, expand automation capabilities, and ensure high-quality deployments across domains

• Proven experience in full stack development using modern frameworks (e.g., Python, JavaScript/Type Script (Node.js, React))
• Solid understanding of software engineering best practices including agile methodologies, CI/CD, and automated testing
• Ability to collaborate cross-functionally with product managers, designers, and other engineers
• Passion for creating intuitive user experiences and solving complex technical challenges
• Excellent problem-solving skills and a proactive mindset toward innovation and continuous improvement
• AI or Machine Learning Certification
• Experience with Agentic & AI Tooling (e.g. Lang Chain, Lang Graph, Open AI SDKs, Cortex, MLflow, Lang Fuse, Vector DBs, etc.)
• Experience contributing to RAG (Retrieval-Augmented Generation) pipelines
• Familiarity with multi-agent architectures and Lang Graph workflows
• Understanding of LLM fine-tuning, prompt optimization, or embedding-based retrieval
• Prior experience working with cross-functional global development teams

• B.S. in Computer Science or related field
• 2 years experience in Agile methodologies and approaches
• 2 years experience in full stack development
• Experience with machine learning and natural language processing (NLP) technologies
• Experience in cloud computing platforms such as Microsoft Azure
• Experience with Git Hub, Jira, and Docker (or container-based deployment)

• Position located in Indianapolis, Indiana working in a hybrid model
• Role will require partnering with IST-based development teams to ensure development continuity and handoff transitions
• Travel may be required periodically

Lilly is proud to be an EEO Employer and does not discriminate on the basis of age, race, color, religion, gender identity, sex, gender expression, sexual orientation, genetic information, ancestry, national origin, protected veteran status, disability, or any other legally protected status.

Actual compensation will depend on a candidate’s education, experience, skills, and geographic location. The anticipated wage for this position is $64,500 – $158,400. Full-time equivalent employees also will be eligible for a company bonus (depending, in part, on company and individual performance). In addition, Lilly offers a comprehensive benefit program to eligible employees, including eligibility to participate in a company-sponsored 401(k);

pension; vacation benefits; eligibility for medical, dental, vision and prescription drug benefits; flexible benefits (e.g., healthcare and/or dependent day care flexible spending accounts); life insurance and death benefits; certain time off and leave of absence benefits; and well-being benefits (e.g., employee assistance program, fitness benefits, and employee clubs and activities). Lilly reserves the right to amend, modify, or terminate its compensation and benefit programs in its sole discretion and Lilly’s compensation practices and guidelines will apply regarding the details of any promotion or transfer of Lilly employees.

Eli Lilly