Expedia Group Tech Stack

Travel platform powering flights, hotels, and connected services at enterprise scale

Software Development Seattle, WA 10,001+ employees Public Company

Expedia Group operates a multi-brand travel marketplace handling search, booking, and fulfillment across flights, lodging, and ancillary services. The tech stack spans Kotlin, Java, TypeScript, React across AWS, GCP, and Azure—with active adoption of Kubernetes, Istio, and Linkerd pointing toward containerized microservices. Current hiring emphasizes engineering (206 roles) and product (64), while projects signal a shift toward AI-driven rate optimization, a modernized B2B partnership platform, and generative AI integration—indicating investment in both customer-facing personalization and partner enablement.

Tech Stack 200 technologies

Core StackKotlin Java TypeScript React Vue Angular AWS Scala Spring SQL Server DynamoDB Redis Swift Workday ADP Node.js GraphQL Salesforce Elasticsearch ServiceNow Slack Microsoft Office GCP Azure iOS Workday Studio Windows macOS Oracle Integration Cloud Oracle Fusion+166 more

AdoptingIstio .NET Kubernetes Linkerd Backstage LaunchDarkly AWS EKS Oracle Cloud ERP+10 more

ReplacingOracle .NET Framework

What Expedia Group Is Building

◆Challenges

Improving partner performance
Optimizing rates and availability competitiveness
Payment processing
Partner reach and visibility
Measurement and automation services
High demand and compression periods
Rapidly prototype and ship ai capabilities
Friction in planning and collaboration
Growth and profitability
Reservation platform flexibility

▲Active Projects

Air connectivity platform
Expedia group design system
Optimizing rate and availability competitiveness
Securing lodging rates during high demand
Generative ai integration
Flight search api
Loyalty and connected membership spaces content strategy
Next-generation b2b partnership platform
Ai/ml solution integration
Reusable patterns and primitives for ai experiences

Hiring Activity

Accelerating550 roles · 300 in 30d

Department

Engineering

206

Product

Marketing

Sales

Design

Data

Finance

Ops

Seniority

Senior

309

Mid

Principal

Manager

Junior

Director

Intern

Lead

Notable leadership hires: Media Business Director, Media Director, Director of Operations

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About Expedia Group

Expedia Group is a publicly traded travel company (NASDAQ: EXPE) headquartered in Seattle, WA, with 10,001+ employees distributed across 20 countries including the US, UK, India, Australia, and Canada. The business spans consumer booking (Expedia, Hotels.com and others), B2B partnerships, and loyalty programs. Core infrastructure handles flight search and connectivity, dynamic rate and availability management, and reservation platform processing. Current focus areas include payment processing optimization, partner visibility and performance, and rapid prototyping of AI-driven experiences—suggesting pressure to improve margins and competitive positioning in high-demand travel periods.

HeadquartersSeattle, WA

Company Size10,001+ employees

Hiring MarketsMalaysia, United Kingdom, Australia, India, United States, Spain, Czechia, Japan

Frequently Asked Questions

What tech stack does Expedia Group use?

Kotlin, Java, TypeScript, React, Vue, Angular on AWS, GCP, Azure. Databases include DynamoDB, Redis, SQL Server, Oracle. Adopting Kubernetes, Istio, Linkerd, and .NET while deprecating .NET Framework and Oracle monoliths.

What is Expedia Group working on?

Air connectivity platform, generative AI integration, next-generation B2B partnership platform, dynamic rate/availability optimization, loyalty content strategy, and reusable AI experience primitives. Emphasis on rapid prototyping and AI/ML solution integration.