eBay pushes over $74 billion in merchandise yearly and serves greater than 130 million lively patrons. That form of quantity wants extra than simply intelligent logistics. It takes a tech stack that may deal with huge scale, real-time bidding, international funds, and customized suggestions with out breaking a sweat.
For those who’re constructing one thing in that area, understanding how eBay’s infrastructure works may also help you skip loads of trial and error. And whereas constructing a market like eBay from scratch is not any small activity, platforms like Appscrip can provide you a severe head begin. With pre-built modules for real-time updates, funds, search, and extra, you’re not ranging from zero. Let’s take a better have a look at how eBay tech stack retains issues working behind the scenes and what meaning for anybody attempting to construct a market in the present day.
TL;DR
Frontend:
- React + Redux: For quick, dynamic person interfaces and centralized state administration.
- JavaScript, HTML5, CSS3: Core net applied sciences for interactivity, construction, and styling.
Backend:
- Java & Node.js: Deal with large-scale, high-performance backend operations.
- MongoDB & MySQL: Mixture of NoSQL and relational databases for versatile information dealing with.
- Redis: Used for caching to spice up velocity.
Infrastructure & DevOps:
- Docker & Kubernetes: Containerization and orchestration for scalability and effectivity.
- Jenkins, Prometheus, Grafana: CI/CD and monitoring instruments to maintain techniques working easily.
Cloud:
- OpenStack, Azure, GCP: Hybrid cloud setup for flexibility, efficiency, and international attain.
Frontend applied sciences of eBay Tech Stack
eBay makes use of a contemporary and strong frontend tech stack to ship a seamless and user-friendly on-line market expertise to its tens of millions of customers. The first frontend parts of eBay tech stack embrace:
HTML5: Because the spine of the net, HTML5 is utilized by eBay to construction the content material on its webpages. HTML5 provides varied enhancements over its predecessors, corresponding to enhanced multimedia assist, semantic tags, and higher accessibility options, making it simpler for eBay to create a wealthy and fascinating person expertise.
CSS3: Cascading Model Sheets (CSS) is answerable for styling and formatting the looks of eBay’s webpages. With CSS3, eBay can create visually interesting designs, animations, and transitions, guaranteeing a constant feel and appear throughout the platform. CSS3’s superior options, corresponding to media queries and versatile field layouts, additionally allow eBay to optimize its web site for varied gadgets and display sizes.
JavaScript: JavaScript is the first scripting language employed by eBay tech stack so as to add interactivity and dynamic content material to its webpages. By leveraging JavaScript, eBay can create responsive person interfaces, deal with person inputs, and fetch information from the backend, all in real-time. eBay additionally makes use of varied JavaScript libraries and frameworks, corresponding to jQuery and React, to construct reusable parts and streamline the event course of.

React: eBay has adopted React, a well-liked JavaScript library developed by Fb, for constructing its person interface parts. React’s component-based structure and environment friendly rendering capabilities make it a perfect alternative for managing eBay’s complicated and data-driven UI. React additionally permits eBay to enhance efficiency and maintainability by facilitating code reusability and modularization.
Redux: For state administration, eBay makes use of Redux, a predictable state container for JavaScript apps. Redux permits eBay to handle the applying state in a centralized retailer, making it simpler to trace modifications, debug, and keep the codebase. By integrating Redux with React, eBay can effectively handle the move of information throughout its varied parts and guarantee a constant person expertise.
Webpack: eBay tech stack employs Webpack, a well-liked module bundler, to optimize and bundle its JavaScript, CSS, and different property. Webpack helps eBay to handle dependencies, enhance web page load occasions, and streamline the event workflow by automating varied duties, corresponding to minification and code splitting.
Node.js and Specific: To energy its server-side rendering and APIs, eBay makes use of Node.js, a JavaScript runtime constructed on Chrome’s V8 engine. eBay additionally leverages Specific, a minimalistic net framework for Node.js, to construct its server-side infrastructure, enabling quicker web page hundreds and improved search engine marketing.
Learn extra: What Is A Market Enterprise Mannequin?
Backend applied sciences of eBay Tech Stack
eBay depends on a sturdy backend know-how stack to make sure seamless efficiency, scalability, and safety. Right here’s an outline of some key parts of eBay’s backend know-how stack:
Programming Languages: eBay primarily makes use of Java for its backend companies. Java is a well-liked alternative for e-commerce platforms attributable to its platform independence, scalability, and in depth libraries for constructing strong functions. JavaScript (Node.js) and Python are additionally utilized in some components of the system.
Internet Frameworks: eBay makes use of Spring Boot, a Java-based framework, for constructing microservices. Spring Boot simplifies the event of stand-alone, production-grade functions by offering an opinionated strategy to configuration and providing embedded server choices. This enables eBay to concentrate on constructing options moderately than coping with infrastructure complexities.
Databases: eBay employs a mixture of relational and NoSQL databases to cater to totally different storage and retrieval necessities. Oracle is the first relational database administration system used for transactional information. For dealing with large-scale information, eBay leverages Apache Cassandra, a extremely scalable and distributed NoSQL database that gives excessive availability and fault tolerance.
Large Knowledge & Analytics: eBay tech stack processes huge quantities of information day by day, requiring highly effective huge information and analytics instruments. The corporate makes use of Apache Kafka for real-time information streaming and Apache Spark for large information processing and analytics. These instruments assist eBay analyze person conduct, optimize the platform, and supply customized suggestions to customers.
Search Applied sciences: eBay’s search performance is powered by Apache Solr, an open-source search platform constructed on Apache Lucene. Solr provides superior search capabilities, corresponding to faceted search, filtering, and distributed looking, that are essential for an e-commerce platform like eBay.
Caching: To reinforce efficiency and cut back database load, eBay employs caching mechanisms like Memcached and Redis. These in-memory information storage techniques velocity up information retrieval by briefly storing often accessed information in reminiscence moderately than fetching it from the database each time.
Containerization & Orchestration: eBay tech stack makes use of Docker for containerization, which permits builders to bundle functions and their dependencies into containers, guaranteeing consistency and portability throughout environments. Kubernetes, an open-source container orchestration platform, is employed to handle, scale, and deploy these containers mechanically.
Cloud Companies: eBay leverages public cloud companies, corresponding to Amazon Internet Companies (AWS) and Google Cloud Platform (GCP), to host and handle its infrastructure. These cloud suppliers supply a variety of companies, from compute and storage to machine studying and analytics, which allow eBay to scale its operations effectively.
CI/CD & DevOps: Steady Integration and Steady Deployment (CI/CD) are important for eBay’s fast-paced improvement surroundings. Instruments like Jenkins and GitLab CI assist automate the construct, testing, and deployment processes, guaranteeing that code modifications are seamlessly built-in and deployed to manufacturing.
Monitoring & Logging: To keep up excessive availability and efficiency, eBay tech stack makes use of monitoring and logging instruments like Prometheus and Grafana for infrastructure monitoring, and Elasticsearch, Logstash, and Kibana (ELK Stack) for log aggregation and evaluation.

Infrastructure applied sciences of eBay Tech Stack
OpenStack Non-public Cloud: eBay runs its web site and mission-critical customer-facing functions on an OpenStack non-public cloud platform developed in-house. OpenStack, an open-source cloud computing platform, permits eBay to take care of management over its infrastructure whereas benefiting from the scalability, flexibility, and cost-effectiveness of cloud computing.
Microsoft Azure Platform Equipment: eBay is among the first prospects of Microsoft Azure platform equipment for cloud computing. This partnership permits eBay to effectively handle its capability and assets by an automatic, scalable, and cost-effective answer. Azure gives eBay with the instruments to develop, deploy, and handle functions within the cloud, streamlining their processes and enhancing total efficiency.
Google Cloud Platform: eBay has efficiently transitioned to Google’s cloud platform, which permits it to run mission-critical workloads within the cloud. Google Cloud Platform gives a set of companies, together with storage, compute, and machine studying, which allow eBay to leverage superior analytics and picture recognition capabilities for higher person expertise.
X.commerce Platform: Constructed on OpenStack cloud structure, eBay’s X.commerce platform serves as a versatile, scalable, and customizable e-commerce answer that helps eBay’s Market and different on-line enterprise initiatives.
Asset Transparency and Capability Administration: Using cloud computing, eBay’s IT staff advantages from subtle capability administration capabilities and asset transparency. This allows them to observe and optimize useful resource allocation, guaranteeing environment friendly utilization of infrastructure and offering a seamless expertise for customers.
Self-service Flexibility: Cloud infrastructure permits eBay tech stack to learn from self-service flexibility, streamlining software program and software improvement and deployment processes. This has decreased app-provisioning time from 4 weeks to simply half-hour and rack onboarding time from 45 days to a few days.
Learn extra: Social Commerce vs Ecommerce- Various On-line Buying
How Appscrip Can Assist
Constructing a platform like eBay from scratch takes endlessly. Between the frontend, backend, real-time options, and scaling issues, it’s a large challenge.
That’s the place Appscrip saves the day.
We’ve constructed a ready-to-launch market platform utilizing the identical form of tech eBay runs on — React, Node.js, Redis, Kubernetes. It’s quick, versatile, and totally customizable to suit your model and enterprise mannequin.
Right here’s what you get:
- Scalable Backend: Handles site visitors, listings, and transactions with ease
- Customizable UI: Constructed with React so you can also make it your personal
- Blazing Quick Search: Due to Elasticsearch
- Constructed-in Funds: Safe and able to go
- Actual-Time Options: Orders, chats, bids — all stay
- Vendor & Public sale Instruments: Multi-vendor assist, fee settings, and public sale logic baked in
For those who’re severe about constructing a market and wish to launch quick with out compromising on high quality, Appscrip is constructed for you. No fluff. Simply stable tech that works. We will have a chat to get to know your market app thought!