Senior Software Engineer – Search Algorithms, Elasticsearch

Elastic

. Lead initiatives within Elasticsearch to produce an industry-leading search engine offering with speed and relevance .

Posted 11/3/2026full-timeRemote • RomaniaSenior💰 RON 272,000 - RON 430,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Elasticsearch and Java, with a strong focus on developing search features and algorithms. Proven ability to collaborate effectively in a distributed team environment while driving technical direction and improvements in search relevance.

Highest-signal resume keywords

Elasticsearch DevelopmentCore Java ProficiencySearch Algorithms ExperienceData Storage TechnologiesCollaborative Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Search DatabasesJava Standard-LibraryConcurrency ConstructsAlgorithmsData StructuresHNSWIVFCode OptimizationTechnical DesignComponent Development

Soft Skills

Autonomous WorkAsynchronous CommunicationFeedback ReceptionCross-Functional CollaborationTransparent Communication

Tools & Technologies

ElasticsearchSolrPostgreSQLMongoDBCassandra

Industry Keywords

Search EngineVector SearchCode MaintainabilityDistributed TeamTechnical Direction

Tech Stack

Tools & technologies

CassandraElasticSearchJavaMongoDBPostgres

About the role

Key responsibilities & impact

Lead initiatives within Elasticsearch to produce an industry-leading search engine offering with speed and relevance
Build new search features and fix bugs in Elasticsearch
Improve code clarity and maintainability
Invent or implement algorithms and data structures
Work close to the operating system and hardware when needed
Collaborate with a globally distributed team focused on Elasticsearch vector search capabilities
Drive improvements in Elasticsearch search relevance
Work with global community members on issues and pull requests, including triage and handoff
Write idiomatic modern Java
Contribute to the technical direction and vision for search capabilities, including design and implementation of features and enhancements

Requirements

What you’ll need

Professional experience with search or vector databases
Experience using HNSW, IVF, or other relevant algorithms and libraries on search platforms at scale
Solid skills in core Java
Familiarity with Java standard-library data structures, concurrency constructs, and lambdas
Ability to take projects from beginning to end, including technical design and component development
Experience developing collaboratively and giving and receiving feedback on code, approaches, and APIs
Experience with data storage technologies such as Elasticsearch, Solr, PostgreSQL, MongoDB, or Cassandra
Proven track record of using AI to accelerate development, debug complex systems, and optimize code while owning final outcomes
Ability to collaborate across functions and teams and transition between projects, codebases, or teams
Ability to work autonomously and drive decisions and results in a distributed team through asynchronous, direct, and transparent communication

Benefits

Comp & perks

Competitive pay based on the work you do here and not your previous salary
Health coverage for you and your family in many locations
Ability to craft your calendar with flexible locations and schedules for many roles
Generous number of vacation days each year
Elastic matches up to $2000 (or local currency equivalent) for financial donations and service
Up to 40 hours each year to use toward volunteer projects
Minimum of 16 weeks of parental leave