Principal Software Engineer - Performance Tuning - Elasticsearch

Elastic
Norway
Full timeNOK 949,500 - 1,502,000 annuallyFunction: Software EngineeringSkills: ["Profiling","Performance optimization","Benchmarking","Collaboration","Mentoring"]

Lead performance engineering for Elasticsearch, driving architectural and code-level initiatives to improve optimization, predictability, and scalability. Build performance models and methodologies for complex distributed systems, profile bottlenecks across logging, metrics, vector search, and ES|QL, and establish benchmarks with regression detection. Create AI-assisted optimization harnesses to automate profiling and benchmarking, and mentor engineers while collaborating across teams to embed performance-first thinking.

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FursaFursa
Elastic
Elastic
4 days ago

Principal Software Engineer - Performance Tuning - Elasticsearch

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Last checked: 3 hours agoStatus: Live

Job Summary

Lead performance engineering for Elasticsearch, driving architectural and code-level initiatives to improve optimization, predictability, and scalability. Build performance models and methodologies for complex distributed systems, profile bottlenecks across logging, metrics, vector search, and ES|QL, and establish benchmarks with regression detection. Create AI-assisted optimization harnesses to automate profiling and benchmarking, and mentor engineers while collaborating across teams to embed performance-first thinking.
Location: Norway
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Own core performance engineering initiatives from architecture to production, delivering high-impact optimizations.
  • •Design and execute major architectural and code-level performance improvements.
  • •Develop performance models and methodologies for complex distributed systems.
  • •Profile and analyze system behavior to identify bottlenecks across logging, metrics, vector search, and ES|QL.
  • •Drive automation for AI-assisted optimization harnesses that streamline profiling, hypothesis testing, and benchmarking, while mentoring engineers.

Pay and Benefits

Salary: NOK 949,500 - 1,502,000 annually
Perks:Health InsuranceParental Leave

Key Requirements

  • •Deep knowledge of Java internals and JVM memory management, including concurrency models and writing high-performance, thread-safe, lock-free code.
  • •Proven experience profiling and optimizing distributed systems, including benchmarking tools like flamegraphs, JMH, and Rally.
  • •Strong understanding of distributed systems architecture, including scaling challenges in large-scale data stores.
  • •Track record using AI or advanced tooling to accelerate optimization, debug complex performance issues, and automate benchmarking workflows.
  • •Ability to collaborate across teams and communicate asynchronously in a distributed environment to drive performance engineering decisions and outcomes.
Skills:ProfilingPerformance optimizationBenchmarkingCollaborationMentoring
Languages:English
Tech Stack:JavaJVMFlamegraphsJMHRallyAIJVM memory managementDistributed systemsVector searchES|QLServerlessC++RustSIMDLock-free

Company Brief

Elastic
Builds the Elastic Stack (Elasticsearch, Kibana, Beats, Logstash) and provides search, observability, and security solutions that enable organizations to search, analyze, and protect data in real time across applications, infrastructure, and enterprises.
Industry: Data Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Amsterdam, Netherlands
Founded: 2012
WebsiteLinkedIn