Last Updated: December 22, 2023


Rohit Rawat


The most essential requirement for any Fintech app is that it should be highly secure. Java is a popular programming language that organizations use widely in Fintech app development because of the various levels of security it provides. Also, it is platform-independent, secure, and has a large ecosystem of libraries and frameworks. The Java Virtual Machine (JVM) also allows for code to be written once and run on multiple platforms. These Java software development services make it ideal to create a Fintech app.

Reasons to Use Java for the Fintech Industry

There are many reasons to use Java for the FinTech industry. The most important of those is the high level of security it offers. We are going to discuss many more important aspects of Java development in this blog.


High Security

There are many reasons to use the Java programming language but the most important one is its security. Java has built-in security features, such as secure socket layer (SSL) and transport layer security (TLS) encryption, which are important for financial transactions.

Garbage Collection

Java uses garbage collection to help applications manage their memory automatically. To reclaim the memory, the Garbage Collector (GC) discovers the useless items and deletes them. When there is a new operator in Java, it consumes some part of the memory. The rest of the memory remains allocated until something points towards the object. This process helps with dynamic memory allocation.

This technique deems an object unnecessary if nothing points towards it. In this case, the memory it occupies can be freed up. Since Java manages the deallocation automatically, there is no need to destroy an object.

Java automatically performs garbage collection during the program, negating the need to deallocate memory and preventing memory leaks. That is the reason why almost every Java web application development company uses Java for their technical needs.

We’ll see in the next point how this helps prevent any unauthorized data breach.

Memory Management

Memory protection restricts all activities from accessing unutilized memory in the OS because it protects the software from taking over an excessive quantity of memory and perhaps damaging other currently running programs or risking the loss of saved data. These memory protection tools also aid in the detection of malicious or hazardous programs that might affect the operating system's operations.

Java uses garbage collection, which is automatic memory management, in which JVM manages the memory. This frees up developers from this task. Therefore, there is no chance for memory management to be flawed. This is one of the most significant reasons to use Java for fintech.

Data Management

Programming languages like C and C++  use pointer values to control application memory and protect data. However, hackers can gain access to private information by using pointers. Pointers cannot confirm the identity of users who request data. Because of this, hackers can use pointers to get into memory without first verifying their authorization.

The internal memory and data management features of Java can thwart any illegal data access. These techniques are far more challenging to hack. That is why these strategies should be an important part of your Java application development services.

Using Private Keywords

The Java private keyword offers the strongest degree of encapsulation and the most limited access to variables and methods. Outside of the class, private keywords cannot be accessed, and private methods cannot be altered.

Using public keywords may unintentionally replace data. Java's private and particular keywords allow developers to protect their data. With private keywords, programmers can hide important data while a program is running without worrying that data from outside the program will overwrite it.


Platform-Independence and Multithreading

Since your fintech app will solve a critical problem, you would want it to reach a larger audience. Different people use different devices, and it is essential to engage all of them. In this regard, using a language that creates platform-independent apps or software will do the job.


Software that can operate on a variety of systems is referred to as "platform-independent." Java programming is also made to run on a variety of operating systems and platforms. JRE/Runtime Environment is a platform for this programming language and is integrated into it. The Java Virtual Machine (JVM) also allows developers to write code once and run it on multiple platforms. Therefore, you must hire Java developers who are experts in making full use of this aspect of Java.


Multithreading means that it is capable of handling several jobs at once. The ability to run many threads allows it to carry out several tasks concurrently. The function also contributes to resource, memory, and time savings. Again, numerous simultaneous threads share the same memory and resources.

Rich in Libraries and Frameworks

Java offers several libraries, such as JavaFX and Spring, which developers can use to develop rich user interfaces and implement industry-standard security protocols. These interfaces will improve the user experience by making navigation easy and the visuals easy on the eyes.


Apart from security, the other most essential requirement for fintech apps is its user interface. If you create an app that is easy to navigate and is easy on the eyes, it will increase user engagement. And Java has libraries that can do that.

A Java application development company uses JavaFX application code to use APIs from any Java library because it was created as a Java API.

Applications built with JavaFX can have their look and feel changed. Developers can concentrate on code by using Cascading Style Sheets (CSS), which separate appearance and style from functionality. Through the use of CSS, graphic designers can simply alter the application's look and feel.

Spring Framework

Spring offers Spring Core, Spring IoC, and Spring AOP for connecting diverse business application components, which helps to solve the challenges of developing complex applications like Fintech.

ORM, Struts, Hibernate, and other Java frameworks can be used with Spring because it was made to work with every other Java framework. Developers can use the frameworks together without being constrained by the Spring framework.


Why Narola?

Narola Infotech is a Java development company that has been making custom software for the past 17 years. Our clients have loved our work and have appreciated the solutions that we provided to them. You can check out their reactions by clicking here

If you wish to use Java for Fintech app development, feel free to connect with us.

Frequently Asked Questions (FAQ)

See the answers to some of our most commonly asked questions below.

Java is a versatile and secure programming language known for its platform independence and robustness. When developing Fintech applications, Java's capabilities contribute to enhanced security, seamless integration, and overall reliability, ensuring a solid foundation for your project. Narola Infotech's skilled Java development team can harness these benefits to deliver high-quality and secure Fintech solutions tailored to your business needs.

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