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Airbnb Technology Team

Official account of the Airbnb Technology Team, sharing Airbnb's tech innovations and real-world implementations, building a world where home is everywhere through technology.

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Latest from Airbnb Technology Team

52 recent articles

Airbnb Technology Team

Feb 15, 2022 · Artificial Intelligence

Airbnb Automation Platform: Architecture and Modules for Conversational AI

Airbnb’s enterprise‑grade Automation Platform unifies conversational‑AI products through a Markov Decision Process‑based workflow system, featuring an Event Orchestrator, Workflow Engine, Action Store, and drag‑and‑drop Flow Builder, enabling rapid, scalable development of chatbots and assistants without deep engineering.

AI integrationAirbnbConversational AI

0 likes · 12 min read

Airbnb Automation Platform: Architecture and Modules for Conversational AI

Airbnb Technology Team

Jan 27, 2022 · Mobile Development

Architecture of Airbnb's Automated Testing Framework (Part 5)

Part 5 of Airbnb’s Android testing series details the custom IntegrationTestActivity architecture that drives fragment‑based screenshots and interactions, explains how idle state is detected by polling Looper queues, and describes a global exception handler that adds contextual test information to aid rapid debugging.

AndroidAutomated TestingError Handling

0 likes · 13 min read

Architecture of Airbnb's Automated Testing Framework (Part 5)

Airbnb Technology Team

Dec 22, 2021 · Mobile Development

Automated Unit Testing Framework for Android ViewModel (Part 4)

Part 4 of Airbnb’s Android testing series presents a dedicated framework that lets developers write concise, single‑function unit tests for ViewModel classes by specifying initial state, parameters, and expected state or dependency calls through a Kotlin DSL, integrating with JUnit, Robolectric, Mockito, and offering scaffolding and IntelliJ plugins for streamlined, systematic ViewModel logic verification.

AndroidDSLKotlin

0 likes · 12 min read

Automated Unit Testing Framework for Android ViewModel (Part 4)

Airbnb Technology Team

Nov 25, 2021 · Mobile Development

How Airbnb Automates Android Interaction Testing with JSON Diff

Airbnb’s Android team built an automated interaction testing system that traverses view hierarchies, records click actions and resulting state changes into JSON snapshots, enabling diff-based verification of UI behavior without writing traditional Espresso tests, and integrates with Happo for CI reporting.

AndroidAutomated TestingEspresso

0 likes · 18 min read

How Airbnb Automates Android Interaction Testing with JSON Diff

Airbnb Technology Team

Nov 11, 2021 · Artificial Intelligence

Airbnb’s Task‑Oriented Dialogue System for Mutual Cancellation: Architecture, Data Collection, Modeling, and Deployment

Airbnb’s ATIS task‑oriented dialogue system for Mutual Cancellation combines hierarchical domain classification, Q&A‑style intent annotation, large‑scale RoBERTa pre‑training with multilingual fine‑tuning, multi‑turn context handling, GPU‑accelerated inference, and contextual‑bandit reinforcement learning to deliver a scalable, efficient customer‑support solution.

AIGPU deploymentMultilingual

0 likes · 22 min read

Airbnb’s Task‑Oriented Dialogue System for Mutual Cancellation: Architecture, Data Collection, Modeling, and Deployment

Airbnb Technology Team

Nov 4, 2021 · Mobile Development

Automated Screenshot Testing for Android Fragments Using MvRx and Happo

This article explains how Airbnb’s Android team extends its MvRx state‑simulation framework with a custom screenshot library and Happo integration to automatically capture, upload, and compare fragment UI snapshots in CI, detecting visual regressions, layout issues, crashes and memory leaks across commits.

AndroidCIHappo

0 likes · 11 min read

Automated Screenshot Testing for Android Fragments Using MvRx and Happo

Airbnb Technology Team

Oct 13, 2021 · Mobile Development

Airbnb’s Android Automation Testing Framework: State Simulation with MvRx (Part 1)

Airbnb’s new Android automation testing framework replaces flaky Espresso tests with deterministic UI rendering by simulating immutable State objects via MvRx, Epoxy, and a custom DSL, enabling fast, reliable tests, easy mock generation, and a launcher for instant screen inspection across multiple state variants.

AndroidAutomation TestingEpoxy

0 likes · 17 min read

Airbnb’s Android Automation Testing Framework: State Simulation with MvRx (Part 1)

Airbnb Technology Team

Sep 27, 2021 · Big Data

Midas Certification: Airbnb’s End-to-End Data Quality Framework

Airbnb’s Midas certification establishes a company‑wide, multi‑dimensional golden‑standard for data quality—covering accuracy, consistency, timeliness, cost, and completeness—by requiring collaborative design, automated health checks, and four review stages, ensuring certified data is reliable, well‑documented, and ready for reporting, experimentation, and machine‑learning.

AirbnbBig DataData Engineering

0 likes · 12 min read

Midas Certification: Airbnb’s End-to-End Data Quality Framework

Airbnb Technology Team

Sep 22, 2021 · Backend Development

Design and Implementation of Himeji: A Zanzibar‑Based Centralized Authorization System at Airbnb

Airbnb replaced duplicated, latency‑prone authorization checks in its new service‑oriented architecture by moving them into data services and building Himeji, a Zanzibar‑inspired centralized permission store that uses triple‑based policies, configurable unions, sharded caching, and Aurora backing to deliver sub‑10 ms latency for millions of checks per second with 99.999 % availability.

AuthorizationBackendCaching

0 likes · 12 min read

Design and Implementation of Himeji: A Zanzibar‑Based Centralized Authorization System at Airbnb

Airbnb Technology Team

Aug 16, 2021 · Mobile Development

From Imperative to Declarative UI: Airbnb's Epoxy Framework for iOS

Airbnb’s Epoxy iOS framework replaces fragile, indexPath‑driven imperative UI code with a declarative model‑based system that automatically diffs and animates view updates, eliminating crashes, boosting developer satisfaction from –78 to +58, and enabling a unified, open‑source approach to building Swift interfaces.

Declarative UIDiffing AlgorithmEpoxy

0 likes · 10 min read

From Imperative to Declarative UI: Airbnb's Epoxy Framework for iOS