Senior Software Developer - Performance Tuning - Elasticsearch

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. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. 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

Elasticsearch powers search, observability, and AI retrieval (RAG) for the world's largest organizations. We are seeking a Senior Software Developer to join the Elasticsearch Performance team. In this role, you will contribute to performance engineering initiatives through high-quality code and technical analysis. Your goal is to help improve the optimization and predictability of Elasticsearch performance, collaborating with area-specific teams to enhance our software.

What You Will Be Doing

• Contributing to core performance engineering initiatives from development to production, focusing on the delivery of impactful optimizations. Executing technical designs and plans for architectural and code-level performance improvements.

• Implementing foundational performance models and methodologies for complex, distributed systems.

• Supporting optimization strategies to ensure Elasticsearch remains performant, predictable, and scalable in diverse environments.

• Profiling and analyzing system behavior to identify bottlenecks in logging, metrics, vector search, and ES|QL.

• Ensuring robust performance benchmarks and regression detection for both stateful and stateless (Serverless) architectures.

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Department: Platform - Elasticsearch