OpenSearch/Solr Developer for Custom Plugins

Job ID: 40393530

Budget: ₹1,500 – ₹12,500 INR

Freelance OpenSearch/Elasticsearch/Solr Expert

Project Overview
I am seeking an experienced freelance developer to build custom plugins, contribute OpenSearch commits, perform bug fixes, and optimize search functionality for our Lucene-based search engine projects. This is a short-term to ongoing remote contract (10-20 hours/week initially).

Key Requirements

5+ years hands-on experience with OpenSearch, Elasticsearch, or Solr (OpenSearch preferred).

Strong proficiency in Java (core language, JVM tuning, build tools like Maven/Gradle).

Deep expertise in Apache Lucene (indexing, querying, analyzers, postings, segments).

Proven track record building plugins/extensions (e.g., custom analyzers, scorers, or transport layers).

Experience with OpenSearch contributions (GitHub PRs, release processes) and bug triage/fixes.

Familiarity with search engine internals: inverted indexes, query parsing, relevance tuning, distributed search.

Nice-to-Haves

Experience with OpenSearch Dashboards plugins or security plugins.

Knowledge of related tools: Logstash, Beats, or vector search (k-NN).

Contributions to open-source search projects (provide links).

Deliverables & Timeline

Develop 2-3 custom plugins (e.g., for query rewriting or custom scoring).

Submit/review OpenSearch commits for upstream integration.

Bug fixes and performance optimizations (with benchmarks).

Start ASAP; first milestone in 2 weeks.