Rohan Yadav Email & Phone Number

Gurugram, Hr, In

Gurugram, Haryana, India

‣ Led onboarding for Adani-ICICI co-branded card, tested SLA (1M users, <500ms), developed SFTPfor secure data transfer, implemented real-time monitoring, and ensured daily transaction sync.‣ Led Bharat Bill Payment System (BBPS) setup in NestJS, improving UX for 80M users; built AdaptiveValidator for dynamic input handling.‣ Migrated 22M loyalty users and their transactions from third-party MySQL to MongoDB, enhancingthe ETL pipeline with Python scripts for data extraction, transformation, cleaning, and schemaoptimization.‣ Worked across the Agile software development lifecycle using Microsoft Azure Boards, managingTasks, Bugs, Epics, and Features, with ownership of testing, releases, and deployment.‣ Developed analytics for Loyalty Service dashboards (SuperAdmin & MerchantAdmin) by using replicainstances of the production database to run optimized aggregation queries via a cron job, deliveringinsights on 50M+ transactions and 100K+ merchants..‣ Contributed for software system that Allocates Loyalty Points to customers, redeemable acrossmultiple merchants.‣ Owning the API interaction between Reliance Legacy Rewards Points System.‣ Responsible for software systems that fulfill annual shipments of > 1billion dollars that travelsthrough the samsung.com/us website.‣ Owned the post-order confirmation lifecycle (forwards, returns, refusals) and optimized the returnsworkflow, reducing discrepancies by 80% through automation and real-time tracking‣ Worked on Internalizing fulfillment partners to reduce the overall time for delivery time by 40%‣ Participated in Samsung Hackathon’22 build a Decentralised Lottery software to mine blocks onethereum test net for every order & using oracle chainlink decide the winner & generate a coupon forthe same amount as of purchase order.‣ Implemented a Redis cache layer for available delivery dates and deliverable pincodes, optimizingdata retrieval and reducing latency from 1600ms to 100ms

New Delhi, Delhi, India

Developed a responsive web platform using Node.js, Express, MongoDb, HTML & CSS, enablingfostering a peer-to-peer marketplace.‣ Implemented containerization with Docker and configured an NGINX layer, enhancing applicationscalability, deployment efficiency, and security.‣ Created load testing scripts, while employing Chai.js and Jest.js for quality assurance, ensuring thereliability of the application‣ Managed asynchronous processes with RabbitMQ by implementing message queues, andoptimized read queries using Redis and Elasticsearch, reducing server load.‣ Developed RESTful APIs and integrated third-party services like OAuth for secure logins, Stripe forpayment processing, and SendGrid for email notifications