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Airbnb Technology Team
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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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Recent Articles

Latest from Airbnb Technology Team

44 recent articles
Airbnb Technology Team
Airbnb Technology Team
Mar 17, 2022 · Mobile Development

Automated Test Generation and CI Configuration for Airbnb Android

The final Airbnb Android testing article explains how a Kotlin script automatically generates JUnit tests for every MvRx Fragment, integrates them into a Buildkite CI pipeline that runs only changed fragment tests, shards execution with Flank, reports visual regressions via Happo, aggregates JaCoCo coverage, and posts detailed PR comments, while outlining future enhancements such as deep‑link, end‑to‑end, performance, and R8 testing.

AndroidCICode Generation
0 likes · 16 min read
Automated Test Generation and CI Configuration for Airbnb Android
Airbnb Technology Team
Airbnb Technology Team
Feb 24, 2022 · Mobile Development

Ensuring Consistency in Airbnb's Android Automated Testing Framework

In the sixth Airbnb Android testing article, the team identifies flaky‑test sources such as nondeterministic sharding, asynchronous execution, view and drawable caching, shared‑preference leaks, time drift, and RecyclerView pre‑fetching, and resolves them by clearing shared state, injecting test‑scoped coroutine scopes, forcing view refreshes, mocking time, clearing drawable caches, disabling pre‑fetching, using synchronous drawables, and wrapping WebViews to block network loads while logging details.

Async HandlingAutomationFlank
0 likes · 13 min read
Ensuring Consistency in Airbnb's Android Automated Testing Framework
Airbnb Technology Team
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
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.

AndroidError HandlingEspresso
0 likes · 13 min read
Architecture of Airbnb's Automated Testing Framework (Part 5)
Airbnb Technology Team
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
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.

AndroidEspressoInteraction Testing
0 likes · 18 min read
How Airbnb Automates Android Interaction Testing with JSON Diff
Airbnb Technology Team
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
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
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 Warehouse
0 likes · 12 min read
Midas Certification: Airbnb’s End-to-End Data Quality Framework