SIDDHARTH BHARDWAJ

Amazon Relay Auction System

• Engineered a Dynamic Auction Extension feature using Java and AWS to eliminate 'last-minute sniping,' extending auction deadlines systematically upon late-stage bids.
• Implemented a multi-tier validation architecture (UI, Backend, and Database) to ensure bid integrity and prevent race conditions using DynamoDB atomic counters.
• Developed a responsive React interface with real-time WebSocket synchronisation to provide users with instantaneous bid updates and countdown resets.

Amazon Relay Freight System (RFS)

• Engineered a scalable Dispute Management System allowing users to save high-volume disputes (1,000+ line items) in a Draft stage, preventing data loss and enabling asynchronous workflows.
• Enhanced UI/UX granularity by implementing a specific-selection feature, allowing users to isolate and dispute individual cost drivers such as tolls, base rates, or fuel surcharges.
• Optimized data persistence for bulk-item processing, reducing user friction and ensuring system stability during large-scale financial reconciliations.
• The RRP owns the end to end payment pipeline for middle mile transportation. The payment pipeline encompasses multiple functionalities like contract management, costing, invoicing, dispute management.

AMAZON Relay Freight Auction

• Involved in understanding the requirements from Business and doing impact analysis, identifying potential problems and recommending alternative solutions.
• Code development, deployment, review.
• Handled multiple crucial flows related to invoicing and payment.
• Load testing using Hydra.
• Migration to CDK pipeline.

• The idea behind control plane is to externalize domain and technology capabilities. Open world as the new travel Platform along with all its capabilities build in a way that it can be sold to external partners.
• There is a specialized console for the supply partner, which supports partner creation and inventory management.
• Expedia
• Involved in understanding the requirements from BA and doing impact analysis, identifying potential problems and recommending alternative solutions.
• Reviewing code and merging repositories.
• Handled E2E test cases using Kafka.
• Handled Migration from Jenkins GHA.

• Mobile Money is a mobile wallet provided by a service provider to its user for paying bills, transferring and withdrawing from Banks/wallets/ATM, using USSD gateway or Mobile App.
• Mobile Money
• Integrated several payment platforms with mobile wallets using webservices, Xml/Https/Soap/REST.
• Analyzed requirements and implemented the solution according to end user specifications.
• Reviewed code and debugged errors to improve performance.
• Handle JUnit testing, deployment, delivery and quality check.

• IDAT tool is a data ingestion solution for a telecommunication client. This web-based application is used to configure and monitor jobs running on ETL tool NIFI to extract and load the data from different kinds of files.
• The data is collected from various sites and locations where the hardware is installed. After loading the raw data, it is further transformed using different formulation as per business. The transformed date is used to generate reports giving the details about the change over a specific period.
• IDAT Tool
• Handled backend development in Microservice based architecture using Java, Spring Boot, REST services, Hibernate.
• Designed and Developed web-based application to automate ETL process.
• Handled part of Devops and built the Docker images and ran the containers, worked on Linux for deployment and developed automation scripts.
• Developed multiple stored procedures in PLSQL, PostgresSql to simplify Data manipulation.
• Anchored unit testing for application using JUNIT framework.
• Worked on ETL tool NIFI for Data extraction and routing.