Work on core Elasticsearch distributed-systems components for the Serverless offering: concurrent and consistent indexing, cluster coordination, shard/node scalability, performance and concurrency issues, and end-to-end operational investigations. Requires strong core Java, distributed systems and consensus algorithm expertise, and experience debugging and optimizing complex, multi-node systems.

Work on deep distributed-systems problems for Elasticsearch Serverless: indexing, allocation, cluster coordination, and performance at scale. Requires strong Java skills, expertise in distributed systems and consensus algorithms, and experience debugging and operating multi-node systems. Candidates should be able to own technical projects end-to-end and support operational investigations.