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United Airlines Tech Stack

Global airline operating fleet, cargo, and travel services with 100,000+ staff

Airlines and Aviation Chicago, IL 10,001+ employees Public Company

United Airlines is migrating from legacy monoliths (PeopleSoft, Solace) toward cloud-native infrastructure on AWS, Azure, and GCP while adopting generative AI (OpenAI, Anthropic, Hugging Face via RAG). Engineering is the hiring lever: 123 active roles span cloud platforms, real-time systems, and predictive maintenance—a shift away from batch operations toward continuous monitoring of aircraft reliability and passenger workflows.

Tech Stack 194 technologies

Core StackOracle C# AWS Jira Confluence Azure DevOps Node.js .NET AWS Lambda CloudWatch DynamoDB Python Java JavaScript GitHub Actions Snyk Jenkins React NET Core Tridion Adobe Experience Manager Sitecore WordPress VIP Azure GCP Git Bash PowerShell Harness Veracode+161 more

AdoptingAWS RAG OpenAI Anthropic Hugging Face

ReplacingPeopleSoft Solace

What United Airlines Is Building

◆Challenges

Retiring legacy passenger services system
Mission-critical modules
Legacy system modernization
Maintaining aircraft fleet reliability
Reducing maintenance cycle time
Scaling technology solutions
Ensuring swift response and recovery
Inventory management inefficiencies
Reducing safety risks
Modernizing legacy services

▲Active Projects

Predictive maintenance
Passenger service system (pss)
Real-time middleware solutions
Model deployment
Predictive analytics workflows for safety data management
Mosaic program
New pss system
Modernization of legacy services
Cloud adoption strategy
Multi-factor authentication process

Hiring Activity

Steady360 roles · 130 in 30d

Department

Engineering

123

Ops

114

Support

22

Data

21

Security

13

HR

11

Logistics

9

Finance

6

Seniority

Senior

119

Mid

80

Junior

72

Manager

35

Intern

20

Principal

16

Lead

4

Director

2

Notable leadership hires: Technical Lead

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About United Airlines

United Airlines operates a global network of air travel, cargo, and ground services, serving millions of passengers across multiple continents. The company employs over 100,000 staff. Internally, the technology organization is executing a major modernization: retiring decades-old passenger service systems, deploying predictive maintenance models to reduce aircraft downtime, and building real-time middleware to connect legacy fleet operations with cloud platforms. Active projects include a new passenger service system, predictive analytics for safety data, and multi-factor authentication rollouts.

HeadquartersChicago, IL

Company Size10,001+ employees

Hiring MarketsIndia, United States, Japan, Argentina, United Kingdom, Mexico, Brazil, Netherlands

Frequently Asked Questions

What tech stack does United Airlines use?

Oracle, C#, .NET Core, AWS, Azure, GCP, Node.js, Python, Java, React, Jira, Jenkins, and specialized aviation tools like Tridion and Adobe Experience Manager. Recently adopting RAG, OpenAI, and Anthropic.

What is United Airlines working on?

Predictive maintenance for aircraft, a new passenger service system, real-time middleware, cloud migration, predictive analytics for safety, and multi-factor authentication modernization.