Sr. Principal Software Engineer

Role Summary

Senior Principal Full-Stack Software Engineer within Lilly's Atom5 team (Software Product Engineering). You will collaborate with stakeholders to define requirements and design robust architectures, own end-to-end feature development across frontend, backend, and databases, and mentor engineers to deliver scalable, secure, user-centric software in the clinical trial domain. The role offers the opportunity to work with cutting-edge technologies and contribute to strategic initiatives shaping the Atom5 product.

Responsibilities

• Leverage your expertise across frontend, backend, and databases to optimize systems and build complex features, writing clean code, prioritizing simplicity, testing, and user experience.
• Take ownership of end-to-end feature development, making technical decisions to ensure platforms are scalable, performant, and maintainable across the full stack.
• Support and debug critical production issues, implementing sophisticated solutions with consideration of business impact.
• Provide leadership mentorship to less experienced team members, establishing best practices and guiding architectural decisions while fostering a collaborative learning environment.
• Embrace new languages and frameworks, containers and cloud technologies, and continuously learn as needed.
• Play a key role in hiring, onboarding, and growing the team’s capacity and capabilities, with strategic focus on AI tooling and development.
• Collaborate with other teams, technical and business/product leadership to ensure the product quality delights users.

Qualifications

• 10+ years of experience in Software Engineering
• Demonstrated ability to program in multiple languages – including at least one of Spring/Java, Typescript, ReactJS, React-Native
• Professional experience delivering software solutions across the development lifecycle using design, development, testing, deployment, and maintenance practices
• Professional experience with devops practices and containerized Linux/cloud environments
• Demonstrated ability in data modeling and querying using SQL relational databases
• Good understanding of the AI space and practices in modern software development
• Experience mentoring and growing team members
• Experience developing in highly regulated spaces focusing on compliance, privacy, and security
• Experience in product-focused development with customer-centric requirements and goals

Education

• Bachelor’s Degree in Computer Science, Information Technology or related technical field

Additional Requirements

• Location: Corporate Center in Indianapolis, US
• Travel: Some travel is expected (a few times a year) to collaborate with teams in the UK and India