Lucky S.

7+ Years experience in building Search Information Retrieval systems. Experience in primarily in Free text search (Lucene/ Elasticsearch Stack / Solr ) ,Information retrieval / Semantic Search / Information extraction. - Open source contributor and Commiter at various open-source projects. - Designed various scalable pipelines around Search Ecosystem. - Worked and Implemented Scalable Search at big e-commerce giants across the globe (Walmart, JCPenney, and many more) - Designed and contributed to various projects around ML-based Re-ranking. - Have worked in improving NLP based searches and evolving Search systems for better relevance and performance. - Have experience in creating Scalable and Robust Search architecture. - Implemented various in-depth customisations in open source search systems like Elasticsearch / Solr / Lucene. - Have worked mainly in Software Products and Search Engineering. - Implemented robust and scalable systems in Microservices Architecture in various JVM based languages. - Have enhanced skillsets around JVM based languages (Java, Scala and Kotlin) - Have worked in developing information retrieval (Search) platform for structured and semi-structured datasets based on various IR technologies ( Lucene/Solr, Elasticsearch). - Done in-depth customizations in Lucene internals, plugin developments for Solr and Elasticsearch for various performance improvements/ matching/ scoring/ relevance/ sorting/grouping requirements of a result set. - Have worked in the distributed systems and designed various systems using Springboot, Kafka, Spark, Solr, Elasticsearch, Scala