Elastic
Principal Software Engineer - Search Infra - Elasticsearch
Portugal +1 · Principal · Full-time · Posted Sep 21, 2026
- Location
- Portugal
United States - Visa sponsorship
- Applicants located in or nationals of listed sanctioned countries and regions may require an export license as a condition of employment.
About the job
Defines technical direction and builds Elasticsearch’s core search and indexing capabilities, including retrieval, query execution, and relevance.
What you'll do
- Lead and contribute to the evolution of core search and indexing capabilities, researching search infrastructure, data structures, and retrieval algorithms.
- Set long-term technical vision and roadmap in collaboration with partner and product teams.
- Mentor engineers and serve as an expert in Elasticsearch domains, improving search systems and capabilities.
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, familiarity with advanced data structures and concurrency constructs, and ability to work autonomously.
Nice to have
- Experience building with Elasticsearch and knowledge of search and information retrieval theory.
- Open source project experience and familiarity with source control workflows and continuous integration.
Pay
€67.000 — €106.000 EUR (base salary)
Tools
Elasticsearch, Lucene, Solr, Java
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