• Recruit, coach, and develop a high-bar team; set crisp expectations and foster a culture of ownership, speed, and continuous improvement. • Mentor engineers at all levels, create growth opportunities, and build psychological safety and a healthy, inclusive environment where engineers do their best work. • Shape the product and execution strategy for language clients to stay ahead of 10x growth. • Make opinionated architectural decisions while maintaining a customer-focused, fast-shipping culture. • Establish measurable UX and developer experience benchmarks and own the roadmap to make ClickHouse client libraries best-in-class in the OLAP space. • Lead expansion from core client libraries into a broader ecosystem: integrations, SDKs, partner tooling, and community-built extensions. • Establish and sustain effective collaboration with OSS communities: contribute, build relationships, and earn trust in public technical spaces. • Represent ClickHouse externally at conferences, in community forums, and with partners. • Build productive relationships with product, developer relations, and sales engineering without losing engineering focus.