Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.
What Is The Role: We are on the lookout for a Principal Software Engineer I to join our Elasticsearch - Distributed Systems team and focus on how Elasticsearch provides scale, performance, and resilience. This team owns how nodes in an Elasticsearch cluster communicate, and how data are indexed, allocated, and replicated across nodes.
Improving Elasticsearch’s components that support concurrent and consistent indexing across multiple machines.
Maintaining our cluster coordination system to keep performance high even though nodes come and go from the cluster and data moves around, while maintaining the safety and liveness properties of the system as a whole.




Pushing the limits on the number of shards, nodes, and petabytes that Elasticsearch can handle today
Looking into all kinds of issues, including performance or concurrency issues, and proposing solutions.
You have strong skills in core Java and are conversant in the standard library of data structures and concurrency constructs, as well as newer language features.
You are able to own projects from beginning to end. You have experience managing projects involving multiple engineers.
Data stores
Asynchronous event-driven network frameworks such as Netty
It doesn’t matter if you’re just out of college or your children are; Health coverage for you and your family in many locations
Increase your impact – We match up to $2000 (or local currency equivalent) for financial donations and service
Up to 40 hours each year to use toward volunteer projects you love
Qualified applicants will receive con

📌 Principal Software Engineer I (Madrid)
🏢 Visa Hunt
📍 Madrid