Umar Ahmad Email & Phone Number

Bengaluru, Ka, In

Gurugram, Haryana, In

• Successfully redesigned multiple services, including search, locations and serviceability increasing the serviceable area for the restaurants by over 6x the original area while improving latency by 20%.• Proposed and led various improvements across the funnel, elevating the overall uptime from 99.8% to 99.99%.• Architected and directed the development of critical order path services, enhancing the system's overall reliability.

Gurugram, Haryana, In

• Rewrote the entire order management system from scratch, scaling it to accommodate 10x the existing system's capacity.• Implemented a split-system architecture with event-driven communication, significantly improving the reliability and availability of systems. Leveraged DynamoDB, Kafka, and Golang for the new service.• Developed a service to enable dynamic data aggregations across multiple services for orders, utilizing Elasticsearch. Reduced the time required for experiments and product development from weeks to hours.• Managed and led a team of 7 engineers, successfully delivering multiple projects.

Gurugram, Haryana, In

• Developed and implemented a location service to improve accuracy for addresses and enhance the location system within the platform.• Introduced the concept of S2 Cells, simplifying the location infrastructure and unlocking new possibilities.• Designed and executed pipelines to enhance ETA predictions and conducted experiments to improve address accuracy, including delivery agent drop feedback and building bounded entities for areas like offices and apartments.• Equipped the operations team with tools and training to handle challenging situations like blockades, curfews, and strikes.

Gurugram, Haryana, In

• Built an in-house chat solution to replace a third-party application, meeting the company's scalability demands. This could handle 60x the chat load of the current leading chat solution in market• Developed a custom query router for Firebase Realtime Database, making it nearly infinitely scalable.• Created a complete SaaS chat solution, including frontend chat SDKs for Android and iOS in React Native, a team management system for over 500 agents, and efficient chat agent tools.• The platform was supported by a unified backend service developed using Golang, SQS, Redis, and MySQL (AWS Aurora).• Achieved a 30% improvement in agent efficiency and a 10% increase in customer NPS score.• During a 24-hour hackathon, constructed a chatbot flow that, upon full deployment for customers, effectively reduced our chat agents' workload from 13% of all orders to merely 5%.

Gurugram, Haryana, In

• Independently developed the backend for the merchant app.• Led the front-end development using React for an Android WebView.• Designed a horizontally scalable websocket solution on node.js using socket.io and Redis Pub/Sub.

Gurugram, Haryana, In

• Marketing campaign tool: Built a campaign management system capable of targeting and notifying millions of users within minutes.• Billing system: Implemented substantial enhancements to the billing system, resulting in payouts being processed approximately 60 times faster. Additionally, designed and implemented various automated and manual audit tools to ensure accuracy and reliability.• Online ordering frontend: Successfully ported the customer online ordering flow from underscore and jQuery to React.• POS and vendor integrations: Developed a platform allowing other POS vendors to integrate with Zomato and receive order details.• Taxation system: Successfully developed a new taxation system that facilitates easy configuration of taxes, allowing seamless integration for multiple countries.

Mountain View, Ca, Us

Bachelor Of Technology (B.Tech.), Computer Engineering

Education record