The disruption, which originated from AWS’s US-EAST-1 data centre in Ashburn, Virginia, lasted several hours and left millions of users unable to access services such as Snapchat, Reddit, Venmo, Zoom, and even Amazon’s own Prime Video and Alexa. 

According to outage tracking site Downdetector, more than four million users globally reported problems during the incident.

By 3:01 p.m. PT (10:00 p.m. GMT), Amazon confirmed that “all AWS services returned to normal operations. Some services such as AWS Config, Redshift, and Connect continue to have a backlog of messages that they will finish processing over the next few hours.”

Root Cause: Network Health Monitor Failure

AWS identified the source of the failure as a malfunction in a subsystem that monitors the health of its network load balancers, a key component responsible for distributing traffic across multiple servers. 

The fault within its Elastic Compute Cloud (EC2) network also triggered a Domain Name System (DNS) error that prevented apps from locating DynamoDB, one of AWS’s most critical database services.

The outage, Amazon confirmed, “originated from within the EC2 internal network,” once again placing focus on the US-EAST-1 cluster, the same region linked to similar breakdowns in 2020 and 2021. Despite repeated failures in this location, the company has yet to explain why the data centre is still a recurring weak point.

Global Impact: From Banks to Gaming Platforms

The outage exposed the scale of global dependence on AWS. Major banks, telecom firms, and government agencies across Europe and North America reported downtime. In Britain, Lloyds Bank, Bank of Scotland, Vodafone, BT, and even the UK tax and customs authority (HMRC) experienced service interruptions.

For consumers, the impact was immediate and across-the-board. Social platforms like Snapchat and Reddit went dark, while fintech platforms such as Venmo, Robinhood, and Coinbase froze transactions. 

Gaming networks, including Fortnite, Roblox, Clash Royale, and Clash of Clans, were also affected. Lyft users in the United States were unable to book rides, and airline check-in systems at LaGuardia Airport in New York temporarily failed.

Artificial intelligence startup Perplexity, cryptocurrency exchange Coinbase, and trading app Robinhood were among those confirming that AWS was at the root of their service disruptions. Even Signal, the encrypted messaging platform, was hit. “This outage once again highlights the dependency we have on relatively fragile infrastructures,” said Jake Moore, global cybersecurity advisor at European security firm ESET.

Experts Warn of Fragile Cloud Dependency

The scale of the outage has reignited talks about the world’s overreliance on a handful of cloud providers, Amazon, Microsoft Azure, and Google Cloud, which collectively power a vast portion of global digital infrastructure.

“This was the third major AWS outage in five years linked to the same region,” said Ken Birman, professor of Computer Science at Cornell University. “When people cut costs and cut corners to try to get an application up, and then forget that they skipped that last step and didn’t really protect against an outage, those companies are the ones who really ought to be scrutinised later.”

Ryan Griffin, U.S. cyber practice leader at McGill and Partners, added that “for major businesses, hours of cloud downtime translate to millions in lost productivity and revenue.”

Recurring Weakness in US-EAST-1

The Ashburn-based US-EAST-1 cluster is AWS’s oldest and largest region, usually set as the default for many of its services. This makes it a single point of failure, and experts argue that the region’s recurring issues demonstrate the risks of centralised cloud design.

Nishanth Sastry, director of Research at the University of Surrey’s Department of Computer Science, said the incident was predictable. “The main reason for this issue is that all these big companies have relied on just one service,” he noted.

Market Reaction and Next Steps

Despite the global disruption, Wall Street remained largely indifferent. Amazon’s shares closed 1.6% higher at $216.48 on Monday. The company has promised to release a detailed post-event summary but has not clarified whether structural changes will be made to prevent a repeat of the incident.

The Amazon Web Services (AWS) global outage, the largest since last year’s CrowdStrike malfunction that crippled hospitals, banks, and airports, tells us that the cloud’s convenience comes with fragility. 

The success of fintech is hugely linked to the growing digitalisation. Several fintechs offer software products as their main or complementary services.

Therefore, it is vital to have a strong backend technology to provide the necessary infrastructure for fintech platform functionality.

The backend handles the server-side operations of web applications that are not visible to the user.

This is crucial for app functionality, encompassing server setup and maintenance, database management, API integration and strict data security.

Given the complexity of functions of the backend development, it is obvious that securely and competently handling and storing financial data should be core in any fintech company.

Some common backend frameworks include Express.js (Node.js), Django (Python), Flask (Python), Ruby on Rails (Ruby), Laravel (PHP), Spring Boot (Java),  and ASP.NET Core (C).

While there are several backend frameworks, fintech needs to analyse the challenges and difficulties of their backend before choosing one that best suits them.

This article will guide you on which framework, between Django, Spring Boot, and Express.js, is best for setting up your fintech backend technologies.

Table of Content

1. Django, Spring Boot and Express.js Frameworks: A Closer Look
2. Factors to Consider When Choosing a Backend Framework
3. Final Note

Django, Spring Boot and Express.js Frameworks: A Closer Look

Django

Django is a high-level Python web framework released in 2005. It is the most popular backend framework and an open-source framework that is scalable and customisable. It contains everything that a developer may require. The framework excels in rapid development and clean and pragmatic design. This makes it a popular choice for building scalable, secure web applications.

Features:

• Scalability: Django is designed to grow with your project. It allows you to scale up your app as required.
• Ease of Use: Dajngo is designed to make developers’ lives easier through several built-in tools for common tasks such as creating admin panels, managing website layouts, and handling databases.
• Performance: Django is quick to start with and can keep your app running fast, especially when it gets big.
• Compatibility: Django works closely with Python tools and cloud services. It prefers SQL databases like PostgreSQL. Django is not suitable for languages like Javascript.

Advantages

• Offers extensive ecosystem and community support
• Django features strong security that helps prevent web vulnerabilities and handle sensitive data.
• It offers a built-in, user-friendly admin interface for easy content management.
• It is versatile and can be used to build various types of applications.

Disadvantages

• The monolithic design structure makes it unsuitable for microservices-based projects.

Spring Boot

Spring Boot is an open-source and lightweight Java-based framework released in 2014. It contains a spring core container, which is a module providing containers., It is used for creating stand-alone applications.

Spring Boot offers extensions for creating web applications and renders configurable security methods. Its useful functionalities include transaction management, monitoring, caching and security.  Unlike Django, Spring Boot offers microservices.

Features:

• Scalability: Spring Boot is a great option for making apps that grow. It uses Java, which makes it easier to break apps into smaller parts that can be improved separately.
• Ease of Use: Spring Boot sets up a lot of things, making starting a project a lot easier. It offers a lot of guides and help that makes it easier to use.
• Performance: Spring Boot includes several features that make working with it better. With the right adjustment, it handles a lot of work efficiently.
• Compatibility: Spring Boot needs Java 8 or newer to work with main servers and databases like MySQL and MongoDB. It is great for building apps that run on cloud platforms like AWS and Azure.

Advantages

• Spring Boot allows developers to create applications quickly with fewer configurations.
• Offers support for microservices architecture
• It is ideal for enterprise-grade applications

Disadvantages

• It requires knowledge of Java and the Spring ecosystem
• It has a steeper learning curve
• As an enterprise-level framework, it may add some overhead in the interim of file size.

Express.js

Express.js is a minimalistic and flexible Node.js framework. Released in 2010, Express is written in JavaScript, which supports REST API applications.  It is known for its speed and simplicity and is used for building interactive mobile and web applications. Express.js allows for the creation of single-page, multi-page and hybrid pages. It integrates with NoSQL, MongoDB and Node.js.

Features:

• Scalability: js can handle growing pretty well because it’s built on Node.js. Adding Redis, for instance, can enhance Express by taking the pressure off your database.
• Ease of Use: Express is easy to use for developers familiar with Node.js. This makes setting up the basics, like routes and templates, really simple.
• Performance: js handles tasks efficiently due to Node.js and can be used to keep things speedy due to its simple design. Quick and efficient apps can be built right from the start.
• Compatibility: js works on Node.js, which makes it run on any database that Node.js works with, such as MongoDB and PostgreSQL. It works well with cloud platforms like AWS and Azure.

Advantages

• It is fast and lightweight, making it ideal for building high-performance applications.
• It offers an extensive ecosystem of middleware and Node.js packages for added functionality like handling HTTP requests and parsing data.

Disadvantages

• The asynchronous programming with callbacks can lead to complex code structures.
• Express is lightweight and requires additional packages for certain functionalities.

Factors to Consider When Choosing a Backend Framework

It is essential to know what tasks are attributed to backend technologies, the project requirements, the complexity of the application, the development expertise, programming language familiarity, and team skills. This understanding forms your decision-making processes.

The major areas of backend technologies in fintech include data management, security, API development, server-side logic, integration, deployment and CI/CO, monitoring and maintenance, error handling and logging, performance optimization,  and compliance and regulations.

Therefore, to achieve the above efficiently, you must assess:

• Project requirement and complexity: A robust and scalable backend framework is required for complex business logic, high traffic and intricate data manipulation. For small projects or minimum viable projects (MVPs), lightweight frameworks such as Express.js (Node.js) are ideal. At the same time, Django (Python) or Spring Boot (Java) are best for more extensive and large-scale applications.
• Performance, Speed and Scalability: Frameworks that can scale to accommodate many users and offer real-time features without bogging down include Django. A framework like Express.js is known for high performance, and it is ideal for heavy use without slowing down.
• Language Familiarity and Team Skills: Your team’s familiarity with a particular framework should be considered. If your team is familiar with Javascript, you should consider Express.js, which allows full-stack Javascript development. If Java is your team’s language, Spring Boot offers a robust framework. While Django is a go-to framework if your team prefers Python.
• Security Features: Security remains a key part of fintech and backend development. For instance, Django is known for its robust security features, making it a top choice for security-focused projects.
• Regulatory compliance: Choose a framework that is relevant to financial regulations.
• Compatibility: Any chosen framework must work well with other tools and technology you are already using. Node.js framework (Express.js) works well with Lambda.

Final note…

Choosing a backend technology for fintech is a crucial part and should be made through careful consideration. The project requirements should form the decision-making process, including other significant factors. Any chosen framework must align with the business objectives and needs for both the short and long term.

About Olufemi Titlayo Samuel

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