The Lead Software Engineer will be responsible for developing high-quality software, including effective test code, adhering to clean code principles. This role involves participating in team activities like backlog grooming and planning, translating business requirements into user stories, and leading design for individual stories. The engineer will also focus on information security, stay updated with industry trends, and actively contribute to the team's vision and roadmap. For service-delivering teams, the role includes resolving operational concerns, planning complex changes, and optimizing service usage.