Principal Software Engineer - Performance Tuning - Elasticsearch

Job Requirements

• You have deep knowledge of Java internals and JVM memory management.
• You have proven experience in profiling and optimizing distributed systems.
• You have a solid comprehension of distributed systems architecture.
• You have a proven track record of using AI or advanced tooling for optimization.
• You possess the ability to collaborate across functions and teams.
• You can work autonomously and drive decisions in a distributed team.

Nice to Haves

• Experience integrating high-performance native libraries into Java applications.
• Deep knowledge of modern storage engine performance and index modes.
• Experience defining and managing Performance SLAs for distributed systems.
• Experience working on the internals of large-scale data stores or search engines.

What You'll Be Doing

• Owning core performance engineering initiatives from architecture to production.
• Developing foundational performance models for complex distributed systems.
• Driving optimization strategies for Elasticsearch performance.
• Profiling system behavior to identify bottlenecks and performance issues.
• Ensuring robust performance benchmarks and regression detection.
• Collaborating across the company to embed performance-first thinking into new features.
• Building AI-assisted optimization harnesses for automation.
• Mentoring and coaching other engineers to foster technical excellence.

Perks and Benefits

• Competitive pay based on the work you do.
• Health coverage for you and your family.
• Flexible locations and schedules for many roles.
• Generous number of vacation days annually.
• Financial match for charitable donations and volunteer hours.
• 16 weeks of parental leave.