4 months ago
Remote, Tunisia or Tunis, TunisiaSenior
Responsibilities
- Design, optimize, and evolve Elasticsearch data models, mappings, tokenizers, analyzers, and data types for searches across millions of large documents.
- Develop custom Elasticsearch plugins and extensions in Java for complex patent-processing requirements.
- Prepare, test, and validate major and minor Elasticsearch cluster upgrades.
- Develop and maintain the Elasticsearch query-management backend and high-performance caching systems in Java.
- Design and optimize bulk and batch data-ingestion programs and real-time index-update flows.
- Analyze cluster search and indexing throughput, latency, JVM utilization, garbage collection, and heap usage to drive performance improvements.
- Act as the technical reference during production incident investigations involving slow queries and unstable nodes.
- Perform application-level capacity planning, including shard, segment, and node sizing.
Requirements
- Expert knowledge of Elasticsearch architecture, including Lucene, sharding, segments, index lifecycle, advanced aggregations, Query DSL, and text-document indexing and search.
- Excellent command of Java Core, concurrency, and performance for backend, pipeline, and ideally Elasticsearch plugin development.
- Strong knowledge of JVM tuning, garbage-collection log analysis, thread dumps, and heap dumps.
- Knowledge of Python and data-manipulation libraries, particularly pandas.
- Knowledge of Maven, Git, and Docker.
- Excellent written and spoken French for daily interaction with the France-based team.
- Autonomy, rigor, analytical investigation skills, and the ability to own optimization topics end to end.
About Questel
Questel provides end-to-end intellectual property management software and tech-enabled services for corporates and law firms, spanning patent/trademark search, docketing, cost management, and IP consulting. Its portfolio includes the Equinox IP management system and platforms for portfolio analytics and annuity and prosecution cost control, sold via subscriptions and professional services. Founded in 1978 and headquartered in Paris, the privately held company serves more than 20,000 organizations in over 30 countries.