Lead Principal – Build Next-Gen Search Infrastructure

Elastic; Polska; On-site; PLN 369,000 - 584,000; Full time

Job summary

Elastic, the Search AI Company, seeks a Principal Software Engineer to join the Elasticsearch - Search Infra team. This globally distributed team defines and builds the next generation of Elasticsearch capabilities with deep expertise in indexing, retrieval, and relevance.

You will lead core search infrastructure, collaborate across product teams, mentor engineers, and shape a long-term technical vision. Strong Java, Lucene, and distributed systems experience are essential to drive scalable,

Qualifications

• Experience leading technical projects in the search infrastructure and distributed systems space.
• Proven knowledge in building and operating sophisticated search platforms and engineering robust, high-performance software systems.
• Experience mentoring expert engineers, providing both technical and professional guidance.
• Experience defining a long-term technical vision for a core search or retrieval system, working across teams and organizations to collaboratively shape the technical roadmap.
• Hands-on experience with search and indexing technologies such as Elasticsearch, Lucene, or Solr, strong Java skills and knowledge of data structures and concurrency.
• Desire to optimize and leverage efficient algorithms and search data structures.
• Ability to work autonomously from concept to completion, including technical design and collaboration with other engineers.
• Experience with large-scale data or search systems and distributed storage engines.
• Excellent verbal and written communication skills, collaboration across distributed teams.

Responsibilities

• As a full-time Elasticsearch contributor, you will define, lead, and contribute to the evolution of core search and indexing capabilities.
• Research advances in search infrastructure, data structures, and retrieval algorithms to ensure robust foundations for users.
• Collaborate with partners and product teams to shape long-term technical vision for search at Elastic.
• Drive an innovative roadmap for Elasticsearch’s indexing, query execution, and relevance layers.
• Serve as an authority in multiple Elasticsearch domains and continuously improve them with your insights.

Skills

Leadership

Distributed systems

Search infrastructure

Mentoring

Java

Elasticstack

Tools

Elasticsearch

Lucene

Solr

Job description

Elastic, the Search AI Company, seeks a Principal Software Engineer to join the Elasticsearch - Search Infra team. This globally distributed team defines and builds the next generation of Elasticsearch capabilities with deep expertise in indexing, retrieval, and relevance.

You will lead core search infrastructure, collaborate across product teams, mentor engineers, and shape a long-term technical vision. Strong Java, Lucene, and distributed systems experience are essential to drive scalable,