Top 8 Programming Languages Used by Amazon to Rule the Market

Priyanka Ghosh

By : Priyanka Ghosh

Top 8 Programming Languages Used by Amazon to Rule the Market1


When it comes to eCommerce, Amazon’s remarkable success is evident to all. The eCommerce giant has slowly sneaked into our devices and made an irreplaceable place in our life. Right from being an eCommerce platform offering purchasing/selling to becoming an over-the-top (OTT) streaming platform, Amazon has innovated unique ways to stay ahead of the curve.

Besides its groundbreaking innovations, what else is supporting Amazon in its ventures?

Of course, the platform’s robustness, security, user experience, and stability!

Thus, today’s blog post is all about the Top 8 Programming Languages/ technologies that help Amazon be its best self. It should also give you insights into various web and Mobile app development languages and when these are most useful.

So without further ado, let’s get started!

Amazon’s Dominance in the eCommerce Market: An Overview

Amazon is one of the biggest eCommerce giants in the world. Here are a few statistics that suggest the same!

  • Amazon’s net sales revenue shoots up to $514 Billion for 2022, up from $470 Billion in 2021, as per Statista.
  • In 2022, Amazon was worth more than $1.05 Trillion.
  • More than 200 million people have Amazon Prime subscriptions.
  • gets about 2.2 Billion user visits every month.
  • Nearly 1 in 3 Americans own a Prime membership.
  • Millennials have outpaced baby boomers to be the biggest audience on Amazon.

Clearly, Amazon is taking over the brick-and-mortar stores! But, how did it manage to do so?

Let’s take a look at that!

  • Competitive product price

Amazon offers products at competitive prices by implementing various strategies like bulk purchasing, dynamic pricing algorithms, effective supply chain management, etc. Thus, they attract more customers to shop online through their portal.

  • Vast product range

Amazon offers its customers a vast range of products. From everyday items to electronic gadgets and even groceries, Amazon attracts millions of customers through its diverse product catalog.

  • Fulfillment and logistics infrastructure

A seamless shopping experience will leave customers coming back for more. That’s what Amazon does with its exemplary delivery mechanisms, a huge network of warehouses, and a sophisticated inventory management system.

  • Customer-centric approach

Amazon’s entire strategy is based on elevating customer satisfaction. For that, the brand has innovated multiple strategies like AI-powered chatbots for customer support, AI-backed personalized recommendations, AR-powered product views, and loyalty programs like Amazon Prime.

  • Technological innovation

Amazon has always embraced innovation and adapted its platform based on the modern-day needs of its customers. Right from introducing its AI assistant Alexa to adopting cloud computing with AWS (Amazon Web Services), it has always been the frontrunner in adopting technology.

  • Data-driven approach

To stay ahead of its competitors, Amazon harnesses the power of data. With the help of data analytics, Amazon optimizes its processes at every level based on customer preferences.

  • International expansion

Amazon has scaled up and beyond with its relentless expansion into new global markets. With the help of the right local infrastructure and software solutions, it has entered and even solidified its footing in new regions.

It’s no matter of debate that Amazon rules the eCommerce market. And the strategies mentioned above help the brand do so.

But in the end, it boils down to delivering!

And that has been possible only with the appropriate use of top programming languages and technologies by Amazon.

Let’s check the most in demand programming languages that brands like Amazon use!

Top 8 Programming Languages Used by Amazon

It is to note that Amazon hasn’t revealed an entire list of programming languages that the company uses. And the popular programming languages list mentioned here is solely based on the research and discussions inferred from various articles and discussion threads.

1. Java


Java is a high-level object-oriented programming language. This class-based, multi-paradigm language is designed to have minimal implementation dependencies.

It is the best programming language to learn because of its versatility, scalability, and platform-independent nature. Besides, it is free of cost and is widely used for building software applications.


  • Java is platform-independent. Thus, enabling Amazon to code once and deploy its software across a wide range of platforms.
  • Considering the huge platform Amazon is and how its traffic surge during festive seasons, it has to be prepared for scalability. And Java provides just that with its thread-handling capabilities, robust memory management, and distributed computing framework support.
  • The robust security model and in-built security features of Java make it apt for Amazon. For a multi-vendor website like Amazon, Java is the perfect language because it is regularly updated for security.
  • Java’s rich frameworks and libraries simplify development and help improve productivity.
  • It’s a mature and stable language. Thus, Amazon finds it reliable for developing their application.
  • It is also used for AWS applications.

2. Python


Python is a general-purpose, high-level programming language. It is used for developing software for multiple platforms like Windows, Linux, Mac, Unix, Android, etc. And often considered a primary language for developing games. The programming language is also used for conducting data analysis and automating tasks.


  • The clean, readable syntax makes coding and maintenance easy with Python.
  • Python works in sync with the fast-paced, agile development environment of Amazon. Its quick development cycles are used to build prototypes and test ideas.
  • Python is one of the most used programming languages used for machine learning and data analysis. It has robust libraries such as Pandas, NumPy, Scikit-learn, etc. to support your data-driven initiatives.
  • Employing automation in various touchpoints of your eCommerce store will be a piece of cake with the versatile scripting language Python. Automation in system administration and deployment helps companies like Amazon minimize repetitive tasks and streamline processes.
  • Python is versatile enough to integrate with other existing technologies and systems. Enterprises like Amazon can leverage its versatility to integrate it into its complex infrastructure alongside other legacy systems and databases.
  • You can hire python developers easily because they are readily available.
  • Python is also used for developing AWS applications.

3. HTML, CSS, Javascript


HTML, CSS, and Javascript are the most basic out of a variety of programming languages needed for web UI development. These are cross-platform compatible and can be used for customizing an engaging website user interface.

Websites like Amazon use JS, HTML, and CSS to build interactive websites that can live up to your shopper’s expectations.


  • With CSS, brands can custom-create their store design from scratch.
  • Effortless integration between the server side and client side with the help of Javascript.
  • Javascript helps incorporate features like lazy loading, dynamic content loading, and asynchronous loading to optimize web pages.
  • In an eCommerce setting, the importance of real-time updates is high. It is necessary for checking product availability, tracking order status, price changes, and up-to-date information. With Javascript, it is possible to get real-time updates without having to refresh the page.
  • Javascript can be used to build unique features like dropdown menus, product carousels, search filters, adding products to the cart, etc.

4. C++


The general-purpose, object-oriented programming language is used extensively for machine learning, artificial intelligence, data structures, software engineering, and in-game programming. C++ is used mostly in Amazon web services for writing algorithms.

You can use C++ to code programs that integrate well with AWS services.


  • Amazon has a wide network of data centers and servers that needs to be managed. And C++ provides the robust infrastructure to build high-performing backend systems.
  • C++ is one of the most popular coding languages for beginners as it has an easy learning curve. It is taught to students at the school level only. So, you will find abundant software developers for your project.
  • The programming language is known for its efficient performance. Thus, companies like Amazon use it for large-scale computations, data processing, and networking.
  • When using C++, you will also get to use the rich library and framework it possesses.
  • Amazon’s legacy system codebases are written in C++, which is pretty much relevant today. And can be seamlessly integrated with other modern technologies. Thus, giving you the option to gradually shift to modern technologies.
  • The use of third-party and external tools is possible with C++. Thus, you get more flexibility by using C++ for coding.

5. Objective C and Swift


Amazon utilizes Objective C and Swift for the development of its iOS application. The object-oriented programming language is dynamically typed and is one of the most used programming languages by iOS developers.

However, Swift was developed by Apple and comes with dynamic libraries to improve the performance of your iOS application.


  • While Objective C has been a preferred choice of most iOS developers traditionally, the popularity somehow reduced with the introduction of a better-performing language ‘Swift’. It is used specifically for developing mobile applications for iOS, TvOS, MacOS, WatchOS, etc.
  • Amazon utilizes Swift to develop a sophisticated iOS app to target a wide section of the audience who uses Apple devices.
  • These languages of the Amazon iOS development help create native functionalities (iOS-specific capabilities) for the app.
  • Swift and Objective C can coexist in a project. So, it works effortlessly for Amazon even when it wants to migrate from Objective C to Swift.

6. React and Angular


React is an open-source JS library by Meta and Community used for web app development. It is a go-to language for developing single-page, server-rendered, and mobile applications. Its modular structure makes it easily manageable.

Angular is an open-source, typescript-based web app framework used for developing PWAs that work across multiple operating systems. It is developed and maintained by Google.

Both technologies are quite popular amongst developers. You can compare Angular vs React and even choose the best one for your eCommerce project.


  • Large-scale applications like Amazon can find React and Angular’s reusable libraries feature most useful. It helps develop reusable UI components that can be used several times and easily managed.
  • Sites like Amazon have to deal with dynamic web interfaces. And the responsiveness and fast rendering with the help of virtual DOM in React help improve performance.
  • It is highly scalable and perfect for developing software like Amazon that handles wide product catalogs and orders.
  • Another technology, React Native (built based on React) is used for developing cross-platform mobile applications. This Amazon app language helps save time and money for Enterprises that want to build a common app for multiple platforms.
  • React and Angular both have a huge developer community contributing to their updates and documentation. Thus, you get all the help you need for development and upgrade.

7. R Programming


R programming made its debut about 29 years ago in 1993 and is used for statistical computing. As per sources, many job requirements at Amazon demand candidates to be skilled in R programming language. The knowledge of R and Python together makes for an even better career opportunity for developers.


  • Amazon is a data-driven organization and may find extensive use of R programming for statistical modeling, data analysis, and machine learning.
  • It is also useful for forecasting demands, sales, price optimization, and inventory management.
  • With a robust system of libraries and packages, it is possible to employ machine learning and artificial intelligence techniques in your system.

8. Ruby on Rails


Built using Ruby and Javascript, Ruby on Rails is a server-side web app framework under the MIT license. The MVC (Model, view, controller) architecture helps build the default structure for web pages, services, and databases.

The open-source, full-stack framework has 2 parts,

  • Ruby, a versatile general-purpose language
  • Rails, Framework for developing websites and mobile applications


  • The MVC architecture of the framework helps with code reusability, maintenance, and application scalability.
  • It is backed by a supportive community of developers who help with the growth and maintenance of the software.
  • Ruby on Rails comes with a set of pre-built functionalities that helps with rapid and efficient development.

In terms of programming language popularity, these are some of the most famous ones that companies like Amazon use.

Are you considering building an eCommerce store as powerful as Amazon’s? Then, you have to pick the best ones out of these Future programming languages 2025.

It should help you build the needed features, optimize your UI/UX in a certain way, and so on.

But, how do you do that?

Here’s what you need to consider! Let’s take a look.

How to Choose the Best Programming Language for Your Product?

  • Understand project requirements

Determine your project’s needs first. Your project’s scope, technical requirements, performance needs, scalability needs, etc. It will give you a clear understanding of the things you need for the project and help pick the right programming language.

  • Assess language suitability

Decide which popular languages you need for your eCommerce project. Front-end development, back-end development, app development, or web app development.

There are multiple programming languages that can support the various types of software you build. You have to choose the language (s) accordingly.

  • Check performance and scalability

Fast loading speed, scalability, security, handling intensive tasks, data processing, handling heavy traffic, development ease. These are a few parameters based on which you can check how well a programming language or framework performs.

  • Compatibility and integration

More often than not, you will need to optimize your eCommerce store’s performance by integrating third-party software. It could be ERP, CRM, marketing software, or social media sites. In any case, the programming language you choose should help with smooth integration.

  • Time to market and cost

The cost of acquiring the software and development time are other factors you should consider.

  • Long-term feasibility

In today’s world, new technologies are replacing the older ones every day. So, you should be wary while picking a programming language.

Choose something that is actively maintained and has a huge community of developers. That way you can choose a programming language that is going to be here for a long time.


Looking at the statistics and popularity of Amazon, it appears indispensable. But, all of it wasn’t built in a day. It is their continuous dedication to transform and adapt to evolving market trends that set them apart from their competitors.

And in this journey, many technologies have played their part. Through this blog, you should be able to determine the best from a variety of programming languages that have helped build an empire as huge as Amazon.

Do you want to build an equally successful eCommerce platform for your audience and more? Then, reach out to our eCommerce experts with over 16+ years of experience to discuss further.

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