Ravi Kumar Guru

• Designed and scaled core services in Wayfair’s Global Availability Platform, powering real-time availability across a large, distributed commerce ecosystem.
• Built and optimised ASSETS, a Kafka-driven event pipeline computing accurate sellable inventory at FC and Manufacturer Part granularity, reducing oversell risk and operational overrides.
• Delivered availability APIs, internal tooling, and safety controls, partnering cross-functionally to protect revenue, and improve incident response.

Experienced team lead at Blinkit, a leading grocery delivery company focused on providing 10-minute service. Skilled in managing user and authentication teams, driving operational efficiency, and ensuring seamless user experiences. Strong background in user management, authentication systems, and data security

• Batch to Item Manager Service: Build a service that is responsible for converting batches into items and asynchronously calling downstream service to process the item and record their status once processing of the entire batch is complete then notifies.
• Amazon Business Notification System: Build a notification system from scratch, which sends monthly spending summaries to millions of amazon business customers.

• Institution Service: The objective of the Agent Institution services is to implement an integrated bill payment system, that offers interoperable and accessible bill payment services to customers through agents, multiple payment modes, and providing instant confirmation of receipt of payment
• Paytm Bbps BOU and COU Application: Build Proxy Service from scratch which is used for establishing the communication between the Paytm recharge system and NPCI by follwing the government compliance. primary technology NodeJs, Python, Java, Mysql.

• Ticket Booking System: Build a Ticket Booking System from Scratch that allows partygoers customers to self-book and pay through the website and allow party spots to create parties on our platform. Primary technology Nodejs, Angular, ArangoDb.

Appointment Booking System: With this online hospital appointment booking system, patients can search for doctors, and based on their availability, patients easily book an appointment with their doctors. Primary tech Stack C#, DotNet, Angular, SQL Server