Nishkarsh Dixit

Handling 3 TB cluster of Cassandra services. Handling CRUD-based web services for data integrity and data flow into Cassandra DB. Kafka-based architecture for event flow and eventual consistency. Handling spring MVC-based web services which handle more than 150cr requests per day. SOLR upgrades from Solr version 6 to Solr version 8 with logical sharding with a blog write-up. Optimizing requests in terms of both response time as well as request count. Coordinating team for various tasks for timely delivery and giving product demos.

Handling 4 crore candidates database on SOLR and searches for recruiters. Semantic expansion for the search queries for candidate search and job search.

Product recommendation and personalization model enhancements using Python-based ML models. Search relevancy algorithm improvements and new feature development based on FUSION and JAVA. Semantic entity detection and product classification models using NLP and ML-based models. FUSION/SOLR architecture.

Java Spring MVC web services with multi-threading. SOLR optimization for SOLR cache, response time and response size improvements. Spring-MVC JAVA module serving 80M requests/day. Multilingual Keywords and summary extraction (NER) Worked on entire rasa chat-bots with NLP and NLU layers from scratch.

E-commerce search relevancy improvement and development based on JAVA web services and SOLR. ML&NLP to identify the product categories. ML-based illegal product detection using classification models and deployment using Flask from scratch.

Worked on cargo logistics project developed on Spring MVC, Hibernate and Oracle DB. Python and JAVA ( Spring ) based API's for LUFTHANSA. Log Mining using python & SOLR.