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eBay Tech Stack

Global e-commerce marketplace connecting millions of buyers and sellers across 190+ markets

Technology, Information and Internet San Jose, CA 10,001+ employees Public Company

eBay operates a massive, multi-region marketplace with a tech stack spanning Java, Node.js, .NET, Python, and ML frameworks (TensorFlow, Keras), supported by Kafka, Hadoop, and Apache Flink for data pipelines. Active projects center on live commerce, search modernization, shipping infrastructure, and seller acquisition—reflecting a shift toward real-time selling experiences and operational efficiency. The hiring mix skews heavily toward engineering (313 roles) and product (147), with senior-level dominance, while slowing velocity suggests consolidation after growth phases.

Tech Stack 200 technologies

Core StackJava Node.js .NET C++ JavaScript PHP Python Ruby SAP Oracle Hadoop Kafka Apache Flink Angular React TensorFlow Excel Word Outlook PowerPoint iOS Android Jakarta EE XML Hive Pig Storm HTML5 CSS Keras+170 more

AdoptingVertex AI Bazel Spinnaker Backstage CI/CD FIDO2 WebAuthn Passkeys+8 more

ReplacingKubernetes Automic

What eBay Is Building

◆Challenges

Ensuring ai compliance
Streamlining processes
Improving audit performance
Scalability and reliability of core data platform
Improving payments experience
Technical debt
Increasing seller engagement
Increasing gmv
Optimizing shipping costs
Acquiring new sellers

▲Active Projects

Ebay live
Live commerce
Apis
Seller acquisition
Api development
Search platform modernization
Data pipelines
Real-time live shopping platform
Next generation shipping platform
Ai ethics training program

Hiring Activity

Decelerating950 roles · 260 in 30d

Department

Engineering

313

Product

147

Data

88

Sales

66

Marketing

62

Ops

58

Finance

33

Legal

27

Seniority

Senior

455

Mid

159

Manager

118

Director

54

Lead

48

Staff

36

Junior

30

Intern

13

Notable leadership hires: Category Lead, Product Director, Payments Director, Director of Engineering, Consignment Director

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About eBay

eBay operates a marketplace platform connecting sellers and buyers across more than 190 markets globally. The platform spans e-commerce transaction infrastructure, live shopping features, search and discovery, payments, and logistics. Engineering and product dominate the organization, supported by data, sales, and operations teams distributed across 19 countries including the US, UK, India, Japan, and South Korea. Core challenges include AI compliance, data platform scalability, technical debt, payments experience, and seller acquisition—typical of a legacy-scale marketplace managing both innovation and reliability.

HeadquartersSan Jose, CA

Company Size10,001+ employees

Hiring MarketsJapan, United States, South Korea, Peru, Canada, India, United Kingdom, Ireland

Frequently Asked Questions

What tech stack does eBay use?

Java, Node.js, .NET, Python, and C++ for core systems; Kafka, Hadoop, and Apache Flink for data pipelines; React and Angular for frontend; TensorFlow and Keras for ML; Oracle and SAP for enterprise systems.

What is eBay working on?

Live commerce and live shopping platforms, search platform modernization, real-time data pipelines, next-generation shipping infrastructure, seller acquisition, and API development—alongside AI ethics and compliance initiatives.