Senior Java Engineer - Core / Infra - Elasticsearch

Elastic
Greece
Full timeEUR 61,100 - 96,600 annuallyFunction: Administration & Executive AssistanceSkills: ["Communication","Collaboration","Autonomy","Problem-solving","Project ownership"]

Build and evolve Elasticsearch’s core, shared platform infrastructure—services, settings, scripting, and APIs—so it remains easy to use, high-performing, maintainable, and secure. Work on horizontally scalable features, improve performance and concurrency, and enhance operations and observability for cloud systems. Partner across teams and drive cross-team projects while collaborating in open source and supporting harder customer and internal problems.

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FursaFursa
Elastic
Elastic
1 day ago

Senior Java Engineer - Core / Infra - Elasticsearch

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Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Build and evolve Elasticsearch’s core, shared platform infrastructure—services, settings, scripting, and APIs—so it remains easy to use, high-performing, maintainable, and secure. Work on horizontally scalable features, improve performance and concurrency, and enhance operations and observability for cloud systems. Partner across teams and drive cross-team projects while collaborating in open source and supporting harder customer and internal problems.
Location: Greece
Employment Type: Full time
Job Function: Administration & Executive Assistance
Seniority: Mid level

Key Responsibilities

  • •Contribute to large, impactful projects that evolve Elasticsearch’s core infrastructure.
  • •Design and implement horizontally scalable features and APIs in Elasticsearch.
  • •Solve difficult performance or concurrency issues and propose solutions.
  • •Improve operations and observability for Elasticsearch cloud systems.
  • •Own end-to-end operational investigations until performance or stability issues are resolved.

Pay and Benefits

Salary: EUR 61,100 - 96,600 annually
Perks:Health InsuranceParental LeavePaid Leave

Key Requirements

  • •Experience crafting APIs and reasoning through tradeoffs.
  • •Strong proficiency in core Java, including data structures and concurrency constructs, plus low-level Java (e.g., concurrency, parallelism, classloaders).
  • •Hands-on experience with CI/CD systems and practices (e.g., Buildkite, Argo CD, GitOps).
  • •Proven ability to lead large-scale projects across engineering teams and own work end-to-end (technical design through delivery with others).
  • •Experience using AI to accelerate development, debug complex systems, and optimize code while delivering measurable outcomes.
Experience:SearchPlatform engineeringOpen sourceObservability
Skills:CommunicationCollaborationAutonomyProblem-solvingProject ownership
Languages:English
Tech Stack:JavaElasticsearchPainlessBuildkiteArgo CDGitOpsOpenTelemetryGoKubernetesContainersGradleMavenCI/CDTelemetryModulesJava memory modelGarbage collection

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