Harnessing Synthetic Data:

Unlocking Efficiency in Development and Testing


Amin Chirazi, Managing Director at Automators

9 min readOct 03 2023

Synthetic Data: Revolutionizing Development and Testing

In today’s world, software development and testing have become vital components for organizations across numerous industries. The significance of efficient development and testing cannot be overstated, as it is essential for delivering high-quality software products and services. If you are a software developer, tester, or quality assurance professional, you understand how important it is to test your application with realistic data. However, finding appropriate data for testing purposes can be difficult at times, especially when the data is not readily available.


This is where synthetic data comes in. When real-world data is not yet accessible, you can generate dummy data or use simulations to test your systems.Both synthetic data and dummy data are types of fake data that are used in a variety of contexts. Synthetic data is intended to be statistically similar to real-world data, whereas dummy data serves as a placeholder value in a dataset or represents data that is not yet available. Unlike synthetic data, dummy data is often intentionally incomplete or generic in order to serve its purpose. Or you can simulate a wide range of scenarios with fake data that would be difficult or impossible to recreate with real data.

In this article, we will discuss the importance of efficient development and testing in software development, the challenges faced by developers and testers in obtaining quality data, and how synthetic data can unlock the power of efficient development and testing.

Why is Data Important for Development & Testing?

Efficient development and testing are vital components of successful software development. One of the key factors that influence the efficiency of these processes is data. Data serves as the foundation for creating and enhancing systems, processes, and algorithms. It is used to test performance and optimise features or to train models. Without data, it is impossible to evaluate the effectiveness of a system, or to understand how the system behaves under different conditions or how it should be improved.

For example, in the case of application performance testing, developers use data to identify possible issues that may impact the user experience. Developers can improve the performance of the application to make sure that it meets the desired standards by analysing the data generated during testing. Similarly, developers rely on training data to teach machine learning models to recognize patterns and make predictions. The models would be unable to perform their tasks accurately without this training data. Data provides insights into the software’s performance, functionality, and security. However, collecting high-quality data can be difficult, especially when dealing with sensitive information or limited resources.


The Limitations of Real-world Data

While data is a vital part of software development and testing, using production data can be complicated due to its variety of limitations. One of the most difficult aspects of using real-world data is gathering it. Concerns about privacy make it difficult to collect sensitive data, and data quality issues can make it hard to find clean and relevant data.

Another limitation of real-world data is that it may not even be possible to obtain sufficient or diverse enough real-world data to account for unusual or rare scenarios. When testing a new point-of-sale system for a retail store, for example, testers may discover that the system has problems processing transactions made by customers with unusual names or addresses. This could include customers with names that contain non-English characters or addresses that use non-standard formats. This is where synthetic data comes in, as it can help overcome many of the limitations of real-world data while also giving developers and testers more control over the data they use.

Introducing Synthetic Data

As an alternative to real-world data, synthetic data can be created and used for software development and testing. It is artificially generated data that replicates the statistical properties of real-world data but is not derived from actual observations. Synthetic data is created using algorithms that generate data points based on a set of predefined rules. This can be done manually or can be automated by using special tools and generators. Although the resulting data is not real, it is statistically comparable to real data. It can be used for a wide range of testing scenarios, including functional, load and performance testing. Its popularity has grown in recent years due to its ability to overcome real-world data limitations, allowing for more efficient and effective development and testing processes.

There are several advantages to using synthetic data for development and testing over real-world data. For one, synthetic data can be quickly and easily generated in massive volumes, which is especially useful for testing complex systems or applications. Moreover, synthetic data can be generated to represent specific scenarios or edge cases that would be difficult or impossible to replicate using real-world data.


How Synthetic Data Can Empower Your Development & Testing?

Synthetic data offers a solution to the restrictions of real-world data, making it an appealing option for developers and testers. It lets them create datasets that simulate real-world scenarios without having to deal with the hardships of collecting and processing real production data. Synthetic data allows developers and testers to do thorough and efficient testing of software products by generating large volumes of data quickly and easily.

Here is how synthetic data can be used to support software development:

First , it can be used to fill gaps in real-world data sets. For example, if you are testing an application that requires data from a specific geographic region, you may not be able to access that data. You can still test your application in a realistic way by generating synthetic data that replicates the properties of real data from that region.

Second , synthetic data can be used to simulate scenarios that are difficult or impossible to replicate using real data. For example, if you are testing an application that processes sensitive data, using real data for testing purposes may be risky or unethical. You can still test your application in a realistic way without putting sensitive data at risk by generating synthetic data that replicates the properties of real data.

Third , synthetic data eliminates the possibility of unauthorised individuals accessing sensitive data. Synthetic data can be generated with the same qualities and properties as real-world production data, but it contains no real data. This makes it a safe and secure method of testing applications without the risk of data leaks or privacy violations.

Fourth , real-world data may not always be readily available for testing new products or features, which can result in delays in their release and lost revenue as well as increased development costs. Companies can imitate real-world scenarios that do not yet exist by generating synthetic data, enabling for more efficient and effective testing. This is especially important when dealing with new technologies or industries with lack of historical data available.

Finally, testing on datasets that are not large enough can result in the leakage of production data when the software goes live. This is a serious issue that happens because of the test environment’s weak data anonymization. However, this problem can be avoided by using dummy data to test the software.


Best Practices for Using Synthetic Data

Using synthetic data can be a powerful tool, but it is important to follow best practices to maximise its effectiveness. These are some key practices to keep in mind when working with synthetic data:

Ensuring data quality : Just as with real data, it is important to check the quality of synthetic data. This means making sure that the generated data fits the desired real-world scenarios and is free from errors and inconsistencies.

Creating a diverse dataset : It is also important to create a diverse dataset that accurately represents the range of scenarios and conditions that the software or machine learning model will face in the real world. This will help ensure that the software or model is prepared for a wider range of scenarios.

Respecting privacy and data ethics: Data ethics and privacy should be kept in mind when creating synthetic data. This means making sure that any sensitive or personal information in the data is appropriately masked or removed, if reference data is used to generate the data, and that the data generation process itself is used with ethical considerations. It is essential to follow data protection laws and regulations, and to take care when working with sensitive or personal data.

By adhering to these best practices, developers and testers can ensure that synthetic data is used effectively and ethically, and thus unlocking its full potential for efficient development and testing.

Final Thoughts

Data is an irreplaceable component in software development and testing because it allows developers and testers to evaluate the software’s quality, performance, and reliability. Obtaining real-world data, however, can be a difficult and time-consuming task.

Synthetic data, on the other hand, allows faster testing cycles and lowers expenses. Companies can easily create and test many scenarios by generating synthetic data instead of gathering and preparing real-world data. This can drastically reduce the time and expenses associated with data collecting and preparation, which is especially beneficial for businesses with limited resources or deadlines.

Developers and testers can save time and resources, as well as avoid exposing sensitive data to someone unauthorized, while still achieving accurate results. They can create datasets that simulate real-world scenarios and by doing that, test their software products more thoroughly and efficiently.

Companies should consider using synthetic data in their work to unlock the true power of efficient development and testing. They should adhere to best practices for using synthetic data, such as ensuring that the data generated is representative of real-world scenarios and validating the accuracy and relevance of the synthetic data on a regular basis.

Synthetic data is a powerful and increasingly popular resource and an essential part of modern software development and testing. Developers, testers, and QA professionals can overcome the limitations of real-world data by embracing the power of synthetic data, and achieve new levels of efficiency, speed, and accuracy in their software development process.

Datamaker helps exactly with that, as it is a powerful tool with which anyone can generate massive amounts of synthetic data sets at the click of a button, without any knowledge of coding or anonymization techniques. There’s no need for production data either, with Datamaker you can generate synthetic data that behaves just like real data. You can simply choose the data types and patterns and quickly create high-quality data for your specific testing needs.

Learn more about Datamaker or schedule a live demo here.

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