Hazel Mahajan

Master's

Computer Science

Delhivery

Software Engineer

- Lead a team of 3 developers for building a microservice orchestrator. Supports defining Microservice hierarchy as graph and data flow between microservices. Uses Golang, Kafka, Gin, DynamoDB, Redis - Developed Participant Service for data migration followed by operation migration to a-sync architecture - Developed Waybill as a service-Primary source of microservice responsible for generating millions of AWB in bulk - Extended the Waybill as service architecture to support multiple shards of Kinesis stream to allow generation of large requests in Parallel. Uses: Kinesis, Aws Lambda, Typescript and Kafka - Optimized Package Manifestation - Primary source and developer of Async Package Manifestation service, overhaul of the existing Manifestation - Achieved response time lesser than 300ms for 98% of requests, from 5% in previous service. Scaled to handle load of more than 40 million requests in a single day. Uses Django, RabbitMQ, Redis, MongoDB - Implemented a microservice architecture to ensure scalability, optimizing REST APIs for sub-second latency to enhance - Deprecated Cloud Messaging based Ride Push architecture in favor of Web Sockets. Increased successful ride delivery from 62% to 98