Design, implement, and maintain cutting edge protocols that are foundational to the security, scalability and adoption of Polkadot. Contribute to projects focused on improving performance or lowering the entry barrier to the Polkadot ecosystem. Debug and root cause complex issues in distributed systems. Build test suites that ensure the functionality and performance of multiple components.

As part of the ClickHouse Core Performance team, you will analyze and optimize the performance of the core ClickHouse database, extend existing and add new performance tests, and serve as a resource for the Support Engineering team by helping to debug the most advanced performance issues encountered by our customers.