Welcome to the DoorDash Engineering Blog

Learn about high impact projects that power our velocity, reliability, and innovation.

Newest Article

Mobile How DoorDash uses XcodeGen to eliminate project merge conflicts

At DoorDash, we work to implement efficient processes that can mitigate common conflicts within a large iOS development team. Part of those efforts involve using XcodeGen, a command line interface (CLI), to reduce merging conflicts within our various iOS teams. Here we will discuss its implementation to manage the intricate business scenarios and demanding requirements ...

Md Al Mamun

Michael Thole

15 Minute Read

Featured Article

Backend General How to leverage functional programming in Kotlin to write better, cleaner code

Is functional programming a good paradigm to use for Kotlin development? Read this guide for direct coding comparisons between FP and OOP

Jerry Liu

Unleashing Your Potential: 5 Strategies to Identify Breakout Leadership Opportunities in Tech

Contrary to popular belief that the key to an exceptional career is the accumulation of skills and experience over time, I believe that taking advantage of breakout opportunities is a game-changer in your career. Characterized by their high-visibility or high-impact nature, these breakout opportunities can propel your career to new heights as you meet their ...

Gayatri Iyengar 6 Minute Read

AI & ML Machine Learning

DoorDash identifies Five big areas for using Generative AI

In the wake of ChatGPT and Generative AI DoorDash is identifying ways this new technology can enhance the customer’s ordering experience on the platform. The company is exploring the use of Generative AI, a subset of Artificial Intelligence that generates novel content based on existing data, and how it can be implemented effectively with consideration ...

Alok Gupta 6 Minute Read

Using Metrics Layer to Standardize and Scale Experimentation at DoorDash

Learn how DoorDash build a metrics layer to enable consistent metrics and democratized decision making for experimentation

Arun Balasubramani 23 Minute Read

2022 Summer Intern Projects Article #3

Learn about more of our 2022 summer intern projects in this third article of our series.

Rini Vasan

Peyton Chen

William Louis

Amrita Rajan 16 Minute Read

Using CockroachDB to Reduce Feature Store Costs by 75%

While building our ML feature store we learned that a mix of databases yields significant gains in efficiency and operational simplicity.

Brian Seo

Kunal Shah 12 Minute Read

Failure Mitigation for Microservices: An Intro to Aperture

Learn how centralizing service monitoring and controlling into a single system improves upon individual service level mitigation efforts

Matt Ranney 19 Minute Read

How to Speed up Local Development of a Docker Application running on AWS

Building a local development environment can speed up innovation. Learn DoorDash's process in this technical guide and demo example

Mac Watrous 22 Minute Read

How DoorDash Designed a Successful Write-Heavy Scalable and Reliable Inventory Platform

Keeping billions of items up to date requires a reliable write-heavy inventory platform. Learn how we built this system with Cockroach DB

Chuanpin Zhu

Debalin Das 18 Minute Read

Machine Learning

Lifecycle of a Successful ML Product: Reducing Dasher Wait Times

Read how DoorDash's product development life cycle works in this new ML blog post about how we optimized when orders are sent to merchants

Rita Golovonevsky

Ram Tripathi 13 Minute Read

How We Scaled New Verticals Fulfillment Backend with CockroachDB

To address the scalability issues in moving to new verticals our team migrated from PostgreSQL to CockroachDB as its new storage engine.

Yin Zhang

Nikhil Pujari

Kevin Chen

ThulasiRam Peddineni 14 Minute Read

How We Reduced Our iOS App Launch Time by 60%

Learn how DoorDash went about optimizing our customers' experience and making continuous improvements in app launch times

Filip Busic 7 Minute Read

How to Build a Flexible Customer Support Platform with Kotlin

Learn how DoorDash upgraded our Customer and Support Platform to support new verticals by migrating to a no code platform powered by Kotlin

Kishore Guruswamy

Han Huang 8 Minute Read

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