Senior Software Developer - Performance Tuning - ElasticsearchActive$46K–$183K

The opportunity

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…

What you'll do

  • 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.

  • Collaborating with peers across the team to apply performance-focused development practices into new features.

What they're looking for

  • Contributing to automation efforts by building AI-assisted optimization: harnesses that streamline profiling, hypothesis testing, and benchmarking.
  • Providing technical guidance and peer reviews to other engineers, fostering a culture of technical excellence.
  • You have deep knowledge of Java internals and JVM memory management. You: understand how concurrency models work. You can write code that is high-performance, thread-safe, and lock-free. This experience includes working with large open-source and enterprise codebases.
  • You have proven experience in profiling and optimizing distributed systems.: This includes deep experience with benchmarking tools (e.g., JMH, Rally), identifying performance regressions, and implementing algorithmic or hardware-aware optimizations.