ts-migrate: A Tool for Migrating to TypeScript at Scale

TypeScript is the official language of frontend web development at Airbnb. Yet, the process of adopting TypeScript and migrating a mature codebase containing thousands of JavaScript files didn’t happen in one day. TypeScript adoption went through the process of an initial proposal, adoption by multiple teams, a beta phase and…

Announcing DoorDash as the Official On-Demand Delivery Platform of the NBA, WNBA and NBA 2K League.

DoorDash is tipping off the partnership to coincide with the start of the 2020 NBA Playoffs. As the NBA’s first partner in the on-demand delivery platform…

#VarietyMakesUs — What went into our Independence Day Campaign

India. How simple a word to encapsulate its fantastic complexities. An intricately woven fabric of cultures, languages, sciences, arts, ideologies, contradictions, and most importantly, emotions that define its ethos. From soaking in the wealth of heritage, to the thriving variety of cultures, to reaching the pinnacle of progress, India…

Telltale: Netflix Application Monitoring Simplified

Our Telltale Vision An alert fires and you get paged in the middle of the night. A metric crossed a threshold. You’re half awake and wondering, “Is there really a problem or is this just an alert…

How we used Postgres extended statistics to achieve a 3000x speedup

Much like the DMV, the PostgreSQL query planner is a powerful, mysterious entity to whom we semi-blindly entrust our well-being. It has the crucial responsibility of picking the most efficient execution plan for every query. Here we’ll explore what data Postgres takes into account when creating query plans, and how…

Computational Causal Inference at Netflix

Every Netflix data scientist, whether their background is from biology, psychology, physics, economics, math, statistics, or biostatistics, has made meaningful contributions to the way Netflix analyzes causal effects. Scientists from these fields have made many advancements in causal effects research in the past few decades, spanning…

Improving our video encodes for legacy devices

Netflix has been one of the pioneers of streaming video-on-demand content — we announced our intention to stream video over 13 years ago, in January 2007 — and have only increased both our device and content reach since then…

PinnerSage: Multi-Modal User Embedding Framework for Recommendations at Pinterest

As we build a visual discovery engine that powers 2B+ Pins, it’s crucial to understand user interests and preferences in…

Announcing The Main Street Strong Restaurant Conference

Introducing DashMart

For years, people have used the DoorDash platform to access the best in their communities. During these trying times, our platform has become a critical lifeline to those we serve, and we’ve been hyperfocused on building new products that meet the immediate needs of our customers while helping our merchant…

How to use Composite builds as a replacement of buildSrc in Gradle

Gradle buildSrc approach has become standard for implementing custom plugins, tasks and specifying common configurations (like dependencies list and versions) but has one major flaw — it invalidates a build cache when it is changed. On the other hand, Gradle also provides an alternative composite build approach that lacks this…

Pin it to Win it: Our First Virtual Pinternship

When our University Recruitment team started planning for the 2020 Pinterns to arrive, our goal was to welcome them to Pinterest and provide them with a memorable experience. As the pandemic quickly changed everyone’s plans, this core goal remained the same and we adapted our strategy to accommodate the…

Unbundling Data Science Workflows with Metaflow and AWS Step Functions

tl;dr Today, we are releasing a new job scheduler integration with AWS Step Functions. This integration allows the users of Metaflow to schedule their production workflows using a highly available, scalable, maintenance-free service, without…

How To Decide The Success Metrics For Your Product

Design by Asif Jamal I have repeatedly made this mistake of looking at the wrong metrics for the new products that we released. The realization of these mistakes made me seek mentoring from some of the accomplished product folks. I wish I had reached out for their mentoring even earlier to grow faster. Young…

How Continuous Github Code Hacking Keeps Grofers Secure

Security shouldn’t be treated as an after-thought Design by Asif Jamal When it comes to security, we always take it as the utmost priority. We strongly believe that “Security shouldn’t be treated as an after-thought”, it should be brought as close to engineers and as early in SDLC. Aside from the general guidelines put forth in the CIS benchmark for all…

Zooming Towards Human Connection

By: Fatemeh Alavizadeh, Mojtaba Mehrara Meet the dogs of Chernobyl on this Online Experience hosted by Lucas Introduction Creating human connection is the core of Airbnb’s mission. We launched Airbnb Experiences to encourage travelers to connect with locals and with each other through one-of-a-kind experiences that highlight the uniqueness of their destinations. We’ve since grown it to a community of hosts leading more…

MVI in Kotlin Multiplatform — part 3 (3 of 3)

This is the concluding article in a series of three articles on MVI architectural pattern in Kotlin Multiplatform. In the previous two articles (part 1 and part 2) we reminded ourselves what MVI is, created the Kittens module for loading images of kittens, and integrated it into iOS and Android…

Announcing Our Partnership With BlueVine for the Paycheck Protection Program

Since shelter-in-place orders blanketed the country four months ago, restaurants have been grappling with the economic repercussions of COVID-19. As an essential service and business partner to thousands of restaurants across the country, DoorDash has been busy helping our merchant partners navigate this ever-changing “new normal.” Through early conversations with…

A DashPass Summer of Deals You Will Not Want to Miss

Who doesn’t love free food from your favorite restaurants? This summer, all new and existing DashPass members will be able to reap the ultimate rewards from their subscription over a whopping 6-week timespan! Whether you love a sweet slice of cheesecake, a perfectly rolled and stuffed burrito, or some free…

How to use your private NPM packages with Docker on CI

Our team recently came across a strange issue where one of our application was failing to build after we installed another internal library as a dependency to this app. This was very strange as we were able to get it working on our local machines and the only thing separating…

Driving Shopping Upsells from Pinterest Search

Pinterest’s mission is to bring everyone the inspiration to create a life they love. Shopping is at the core of Pinterest’s mission by helping Pinners find and purchase the products they like. Oftentimes when Pinners want to buy…

The Deep Dish: Food Trends in 2020

Today, we’re sharing DoorDash’s mid-year Deep…

Machine Learning for a Better Developer Experience

Imagine having to go through 2.5GB (not often, but does happen time to time) log entries from a failed software build — 3 million lines — to search for a bug or a regression that happened on line 1M. It’s probably not even doable manually! However…

Empowering the Visual Effects Community with the NetFX Platform

At Netflix, we want to entertain our global membership with series and films from around the world. In line with that, we’re excited to announce NetFX, a cloud-based platform that will make it easier for…

Walgreens now available on DoorDash

By Mike Goldblatt, Head of Grocery Partnerships, and Fuad Hannon, Head of New Verticals The global pandemic has dramatically changed all aspects of our lives, including the way people shop. Delivery and takeout are no longer considered just a convenience, but a lifeline for those who have come to depend…