Khilawan Rathore

Experience

• 

  Walmart Global Tech India

  Jul 2021 - now

  Developing scalable, distributed solutions for the Health & Wellness Pharmacy Department, focusing on the Rx Pickup and Delivery (RxPD) initiative.• Developing and refining RESTful and GraphQL microservices to streamline RxPD operations, leveraging Java and the Spring Boot framework for enhanced performance and scalability.• Implemented automated anomaly detection services that proactively notify stakeholders about data inconsistencies.• Developed UI tools using Node.js and Express to track order status and enhance user experience.• Created and managed schedulers and cron jobs to automate critical business processes, improving operational efficiency.• Leveraged Kafka for message-driven architecture, ensuring efficient communication between distributed services.• Used Azure SQL, AlloyDB for PostgreSQL and Cosmos DB (for NoSQL) for data storage solutions to support the diverse needs of the system, maintaining high performance and scalability. Show less Led a team to deliver a microservice for the Health & Wellness Department’s mail-order initiative for dispensing medicines.• Developed and optimized RESTful and GraphQL APIs to support the pharmacy's mail-order services, utilizing Java and Spring Boot.• Implemented JMeter performance test scripts to optimize services and provided a solution that reduced costs by 50%, ensuring balanced traffic load and production readiness.• Automated end-to-end integration testing using Karate, enhancing test coverage and ensuring reliability across multiple service scenarios.• Utilized Kafka for asynchronous message processing, facilitating seamless communication across distributed systems. Show less

  • Software Engineer III

    Aug 2023 - now

  • Software Engineer II

    Jul 2021 - Jul 2023