Building a hybrid RAG engine combining dense vector retrieval (FAISS) with BM25 re-ranking (Elasticsearch) and semantic caching in Redis, improving clinical search quality by 22%.

◦ Developed a spark streaming ETL pipeline to pull data from mobile users to hive table for shopping behavior analysis.

◦ Optimized a data transformation pipeline with dbt to reduce a frequent query runtime from 30 minutes to 2 seconds

◦ Built automation pipeline to generate android apk for retail customers which optimized the build time of apk by 50% using Kubernetes cloud technology.

◦ Created JAVA SDK for retail users to integrate data analytics and eCommerce services into their user platform.

◦ Worked on a Data Engineering project that helped the client Tata Chemicals with their Azure cloud adoption also integrated azure edge system and powerBI to retain factory data in on-premise servers and perform analytics on it.

◦ Received on the spot award for building crowd monitoring system software to count the number of people attending an event from a density map using Azure IoT Edge device.