Elastic
Principal Software Engineer - Search Infra - Elasticsearch
Ireland +1 · Principal · Full-time · Posted Sep 21, 2026
- Location
- Ireland
United States - Visa sponsorship
- Applicants located in or nationals of listed sanctioned countries or regions may require an export license as a condition of employment.
About the job
Defines and builds the technical direction and core capabilities of Elasticsearch search infrastructure, including indexing, retrieval, query execution, and relevance.
What you'll do
- Lead and contribute to the evolution of core search and indexing capabilities, researching advances in infrastructure, data structures, and retrieval algorithms.
- Shape long-term technical vision and roadmap with partner and product teams; serve as an expert in Elasticsearch domains.
- Mentor engineers and guide technical projects from design through completion across teams.
What they ask for
- Experience leading technical projects in search infrastructure and distributed systems, and building and operating sophisticated search platforms.
- Experience mentoring expert engineers and defining long-term technical vision for a core search or retrieval system across teams.
- Hands-on experience with search and indexing technologies such as Elasticsearch, Lucene, or Solr, and large-scale data or search systems.
- Strong core Java skills and familiarity with advanced data structures, concurrency constructs, and newer language features like lambdas.
Nice to have
- Experience in search and information retrieval, including its constructs and theory.
- Open-source project experience and familiarity with source control workflows and continuous integration.
Pay
€102.700 — €162.500 EUR (base salary)
Tools
Elasticsearch, Lucene, Solr, Java
Model-written summary · the original posting is authoritative