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Principal Software Engineer - Relevance in ES|QL - Elasticsearch

United States🌐 Remote💼 Full-time🗓 2026-07-31 → 2026-09-26

Core

Lead initiatives to produce an industry-leading search engine offering with unparalleled speed and relevance, focusing on Elasticsearch search relevance and vector search capabilities.

Role type

Principal Software Engineer (Search Relevance & Vector Search)

Builds

Elasticsearch search engine features, vector search capabilities, and core search functionality

Domain

Search technology, Vector databases, Distributed systems

Deliverable

production ML models | product features

Required skills

Search and vector databases expertise, HNSW/IVF algorithms, Core Java, Data structures and concurrency, Modern Java idioms, Autonomous project leadership, Cross-functional collaboration

Preferred skills

Elasticsearch experience, Open source project experience, Data storage technology knowledge, AI for development optimization, Cross-functional initiative ownership

Technologies

Elasticsearch, Lucene, Java, HNSW, IVF, PostgreSQL, MongoDB, Cassandra

Responsibilities

Design and implement new search features and enhancements, Resolve bugs and improve code understandability, Work with globally distributed team on vector search capabilities, Identify and drive improvements in search relevance, Collaborate with community members on issues and pull requests, Write idiomatic modern Java code

Seniority

Principal, hands-on IC with technical direction

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