OverviewSenior Software Engineer in the Elasticsearch Performance team, focused on optimizing and predicting Elasticsearch performance at scale.
You will drive core performance initiatives from design to production, collaborating with cross-functional teams to deliver impactful optimizations.
You'll build performance models, benchmark methodologies, and AI-assisted tooling to streamline profiling and benchmarking.
This role offers a chance to shape performance and reliability across distributed systems in a leading AI-powered search platform.
Compensaciones / Beneficioshealth coverage for you and family
versátil locations and schedules
generous vacation days
donation matching up to $****
volunteer hours
parental leave (16+ weeks)
ResponsabilidadesContribute to core performance engineering initiatives from development to production
Design and implement architectural and code-level performance improvements
Develop performance models and methodologies for distributed systems
Support optimization strategies for performance, predictability, and scalability
Profile and analyze system behavior to identify bottlenecks (logging, metrics,



vector search, ES|QL)
Ensure robust benchmarks and regression detection for both stateful and serverless architectures
Contribute to automation with AI-assisted optimization harnesses for profiling and benchmarking
Provide technical guidance and peer reviews to engineers
Requisitos principalesDeep knowledge of Java internals and JVM memory management
Concurrency models understanding
High-performance, thread-safe, lock-free coding experience
Experience profiling and optimizing distributed systems
Benchmarking tool experience (e.g., JMH, Rally) and identifying regressions
Understanding of distributed systems architecture and scaling in large data stores
Experience using AI or advanced tooling to accelerate optimization and automate benchmarking
Ability to collaborate across teams and work autonomously in a distributed setup
team collaboration
autonomous working style
clear communication
Java internals
JVM memory management
concurrency and lock-free programming

📌 Senior Software Engineer (España)
🏢 Elastic
📍 España