Overview As a Principal Software Engineer on the Elasticsearch - Search team, you drive the vector search capabilities that power fast, relevance-driven results. You will design and implement new vector features, improve existing functionality, and resolve complex bugs within a globally distributed team. You’ll work closely with engineers, contribute to performance and scalability, and influence the direction of vector search in Elasticsearch. This is a high-impact role that combines algorithmic innovation with practical systems work. Compensaciones / Beneficios competitive pay health coverage adaptable locations and schedules generous vacation days donation matching volunteer hours Responsabilidades Lead initiatives to deliver a leading vector database experience with fast, relevant search Contribute to Elasticsearch features and bug fixes,



designing new algorithms or data structures when needed Collaborate with a globally distributed team focused on vector search capabilities Serve as a subject-matter expert on vector similarity in Elasticsearch and support the wider team Triage and handle community issues and pull requests, sometimes independently Write idiomatic Java focused on performance and maintainability Requisitos principales Experience with vector similarity and vector databases;

hands-on use of HNSW, IVF, or similar algorithms at scale Strong Java skills and familiarity with standard data structures, concurrency, and modern features like lambdas Ability to own projects end-to-end, from technical design to collaboration with engineers Experience with distributed collaboration and asynchronous communication Experience with data storage technologies such as Elasticsearch, Solr, Postgre SQL, Mongo DB, or Cassandra Excellent verbal and written communication;

collaborative and respectful working style Proven track record of using AI to accelerate development and optimize code, while owning outcomes Ability to navigate multiple projects and teams based on priorities collaborative autonomous strong communication vector similarity vector databases HNSW

📌 Principal Software Engineer - Search Algorithms - Elasticsearch - Elastic (Madrid)
🏢 Jobrapido
📍 Madrid