Rajat Dwivedi Email & Phone Number

Chennai, Tamilnadu, In

◦ Enhanced and maintained a high-performance data processing system managing 100 billion records (42 TB) daily, utilizing Spring Boot microservices and Apache Druid for sub-second query responses and real-time data synchronization across diverse systems via APIs and data pipelines.◦ Implemented Grafana dashboards for monitoring system health and granular Druid metrics (broker, producer, Zookeeper), enabling quick bottleneck identification and optimization. Ensured production stability by managing alerts and resolving critical incidents◦ Optimized data ingestion specifications and schema, resulting in 8% faster query processing and 30% quicker ingestion, enhancing experience for 1500+ users. Implemented and validated query changes, reducing average query runtime by 50%.

Chicago, Il, Us

Developed a web application in ReactJS and REST APIs with JavaScript, TypeScript, and NodeJS to proficiently retrieve service information for individual customers and customers utilizing a specific service, resulting in a 30% reduction in query time and a 20% increase in overall productivity.

Noida, Uttar Pradesh, In

• Developed Intelligent Proctoring solution using Amazon Rekognition for conducting online exams which led to cost savings in the range of 80%.• Created an Intelligent Invoice processing solution with Amazon Textract to automate manual invoice processing, reducing cycle time by more than 60%.• Created a Data Lake by using AWS Data Pipeline for incremental transfer of Terabytes of data from Cassandra DB to Data Lake.• Completed one-time and incremental data transfer of Terabytes of data from IBM COS to AWS S3 using AWS EMR with Hadoop. Used AWS QuickSight to create a dashboard using the data.

Pune, Maharashtra, In

• Automation of AP error correction report generation using Robotic Process Automation (RPA) tool UiPath. The process of automation saved 1.5 hrs each day in the error checking process.

Master'S Degree, Computer Science

Bachelor Of Technology - Btech, Computer Science