Senior Software Engineer - Vector Search - Elasticsearch

Distributed, Global🌐 Remote💼 Full-time🗓 2026-08-27 → 2026-09-26

Core

Senior Software Engineer leading vector search capabilities and search relevance improvements for the Elasticsearch platform.

Role type

Senior IC software engineer (search/vector databases)

Builds

Elasticsearch search engine features, vector search algorithms, and search relevance enhancements

Domain

Search technology, vector databases, distributed systems

Deliverable

production ML models | product features

Required skills

vector similarity algorithms (HNSW, IVF), core Java, data structures, concurrency, search relevance, operating system/hardware interaction, data storage technologies (Elasticsearch, Solr, PostgreSQL, MongoDB, Cassandra), AI for development/debugging

Preferred skills

open source contribution, cross-functional initiative leadership, asynchronous collaboration

Technologies

Java, Lucene, Elasticsearch, HNSW, IVF

Responsibilities

Design and implement new search features and vector search capabilities; optimize search relevance and fix bugs; collaborate with global teams on open source issues and pull requests; work closely with community members; develop idiomatic modern Java code

Seniority

Senior, hands-on IC

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About Elastic

Elastic is looking for a Paid Social Analyst to join the Digital Marketing Team, focused on supporting the execution of paid social campaigns and operational initiatives. We are seeking a data-driven, detail-oriented Paid Social Analyst based in Costa Rica to join our growing digital marketing team. In this role, you will be tasked with the end-to-end execution, optimization, and reporting of our paid social campaigns.