Building Instacart Meals

By: Neera Chatterjee

Today we launched Instacart Meals — a new grocery meals product that powers easy ordering, delivery and pickup of made-to-order food. Right now, Instacart Meals is live as a pilot at select Publix stores in the Orlando area. It will be rolling out to Publix locations across Florida in the coming weeks and to nearly all Publix stores across the Southeast in the months ahead.

With Meals, customers can now build their perfect custom sandwich right in the Instacart app.

To make this happen, we implemented a number of technical changes to our existing apps and infrastructure. Some of the largest technical lifts involved restructuring our grocery catalog and updating our fulfillment system to accommodate food preparation.

Building smart combos with “configurable” items

For customers to truly customize their sandwich order, we had to build an entirely new functionality into our catalog: the configurable item. Configurable item listings allow customers to append an item (for example, a sandwich) with variable sub-attributes (meat, cheese, mayo, etc.).

When a customer opens up Instacart and selects a deli sandwich, they are prompted with a streamlined customization page, where they can quickly choose from a number of order options to “configure” their sandwich.

On the backend, we had to alter our catalog’s structure to enable item listings to be “changeable,” spending months updating our data structures. Now, when customers opt for a “whole” vs. a “half” sandwich, they can see the listing change with updated nutritional information the minute they toggle an attribute on or off.

Once the customer finishes designing their perfect sandwich, Instacart Meals automatically offers applicable chip and drink combo options and discounts, enabling customers to capitalize on deals and savings just as they would in-store.

While it seems simple, adding changeable listings and meal combos increases the complexity of our catalog by orders of magnitude. We have the largest digital grocery catalog in the world, and when you add configurable items and combo meal options at any retailer, you can quickly get hundreds of millions of combo meal permutations…we did the math!

Preventing the soggy sandwich

On the fulfillment side, we had to tackle a problem that comes with delivering prepared food — how do we get a cartful of groceries along with a fresh chicken tender sub with mayonnaise to a customer and ensure the bread is still toasty and the lettuce is still crisp?

To solve for this, Instacart Meals is designed to integrate directly with existing order management systems (OMS), allowing store employees to receive sandwich orders through a familiar interface. When a customer is ready to check out, we make an initial “handshake” with the retailer’s OMS, fetching a selection of preparation windows from the deli counter.

After the order is placed on the customer’s end, we reserve a narrow minute-to-minute preparation window in the OMS, ensuring that it’s as close as possible to the delivery time to ensure freshness.

As shoppers are finishing filling their cart, they can simply swing by the counter to pick up the prepared food, driving down wait times in-store and making it easier for customers to get exactly what they want as part of their normal grocery shop.

The deli counter is an integral part of every grocery store, and we created this digital deli counter to make sure its just as seamless and accessible online as it is in the store. With this integration, a customer’s perfect meal combo is just a few taps away.

Can’t get enough of library science, mobile development, and fulfillment windows? Our Engineering and Product teams are hiring! Check out our current openings.

Building Instacart Meals was originally published in tech-at-instacart on Medium, where people are continuing the conversation by highlighting and responding to this story.

Source: Instacart

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