• Leading or significantly contributing to medium-to-large feature releases; usually multi-person projects that cross engineering team boundaries • Acting as a clear expert in one or more technical areas • Contributing high quality, impactful technical contributions • Participating in the design review process, seeking and providing constructive criticism • Demonstrating ability to succeed in a wide range of complex situations across multiple axes: e.g. scale, uncertainty, interconnectedness • Monitoring and adjusting team pace to instill urgency for success but protect from burnout • Estimating and managing project timelines and risk • Crossing team and service boundaries to solve problems • Building relationships with stakeholders including customers, product managers, cross-functional partners, and external partners • Contributing to defining strategic direction, planning the roadmap, escalating issues, and synthesizing feedback to ensure team success • Ensuring that knowledge is shared amongst the team and does not position themselves or others as a single point of failure • Mentoring multiple engineers, primarily Level 1 engineers through Level 3 engineers • Working through others, lifting the skills and expertise of those around them • Advising manager with insights and recommendations to improve the team • Participating in the hiring process, as needed (by submitting referrals, meeting candidates, attending recruiting events, or presenting externally) • Participating in engineering interviews, as needed • Completing thoughtful and constructive code reviews in a timely manner • Meeting and maintains 6 month performance milestones provided by their manager • Responsible for one or more product areas or other IC leadership role (Product Lead, Scrum Master, etc)