Data comes from multiple sources, depending on the business. A tiny independent bookstore, for example, might have a website, a Facebook page, or an app that allows customers to place orders or communicate with the store remotely. Customers generate data every time they interact with these aspects, which can be gathered, analyzed, and used to guide future business decisions. Even registering with a username and password can result in creating a cookie, which is used to identify a specific consumer. A huge firm, without a doubt, has a significant internet presence and apps that allow users to create data.

This information helps business executives understand how their customers prefer to interact with them and what services they want from them. It's almost as though client participation generates its comment card. Teams of data specialists are needed to interpret this data and make the most of it. That is why getting a data engineer certification is important now.

Data engineers are a small component of the big data team that works to optimize the created and collected data, but they are crucial. Data engineers assist business executives in connecting with their client base, from local independent bookstores to large international enterprises. Data engineer's job is to create data algorithms and infrastructures that make it easier to examine data.

What Are the Tools Used by Data Engineers?

Data engineers don't employ one-size-fits-all tools. Instead, each company uses technologies that are tailored to their specific needs. However, some of the most common tools used by data engineers are listed below. You are not required to master all of the tools listed here, but we recommend that you grasp the foundations of each primary tool.


SQL remains fundamental to everything in our fast-paced environment, where tools and technologies are continually developing, and data engineers are core tools. The SQL programming language is the industry standard for designing and managing relational database systems.

NoSQL databases are non-tabular and can take the shape of a graph or a document depending on their data format. MYSQL, PostgreSQL, and Oracle are all popular SQL databases. Popular NoSQL databases include MongoDB, Cassandra, and Redis.

Data Processing:

Today's businesses understand the value of real-time data processing for better business decisions. As a result, data engineers construct real-time data streaming and processing pipelines. Apache Spark is a real-time stream processing analytics engine, and Apache Kafka is a popular tool for developing streaming pipelines, with more than 80% of Fortune 500 businesses using it.

Netflix, for example, processes around 500 billion events every day, ranging from user viewing activity to error logs, using Kafka.

Programming Languages

Data engineers are usually fluent in at least one programming language to design software solutions to data difficulties. Python is generally recognized as the most popular and commonly used programming language in data engineering. It's straightforward to learn and use, with a simple syntax and many data-related third-party libraries. You can learn these programming languages during the data engineer certification.

Integration and Data Migration

As more businesses turn to cloud-based computing to fulfill their needs, transferring mission-critical apps can present several challenging issues, frequently migrating the underlying database. The methods involved in moving data from one system or system to another without compromising its integrity are data migration and integration. Data integration, in particular, is the act of merging data from diverse sources coherently and helpfully.

Striim is a popular real-time data integration technology used by data engineers for data integration and migration across public and private clouds.

Systems that are Distributed

A single machine/system cannot handle data processing and storage requirements due to the vast amount of current data. Distributed systems collaborate to achieve a common goal but look to the end-user as though they are one.

Hadoop is a widely used data engineering platform for storing and processing huge volumes of data across a distributed network of computers.

Machine learning and Data science

Data engineers must have a basic understanding of popular data science tools to understand better the demands of data scientists and other data consumers. PyTorch is an open-source machine learning framework for GPU and CPU-based deep learning applications. And the tensorFlow is an open-source machine learning platform that allows teams to build and deploy machine learning-based applications.

Types of Data Engineering Jobs

Because data engineering has so many diverse components, it's only natural that there are many types of data engineering employment. One data engineer may be more interested in the coding and programming side of things, while another may be more analytical. The following are some of the numerous types of data engineering jobs you might encounter after getting the data engineer certification.

Architect or Builder of Data:

Builders are in charge of creating the data pipeline infrastructures used by all other data specialists in the company. They'll collect data from the various cloud, streaming, app, and social media sources and design collecting methods.

Database Administrator:

Database administrators are in charge of testing, creating, and managing database systems that hold data once it has been collected. It is not just about setting up database systems but also testing and optimizing them to make them more efficient and safe. The database engineers are in charge of ensuring that data gathering and storage go off without a hitch.

Analytical Engineer:

To better analyze data and integrate data processing systems, an analytical engineer uses programming languages such as Java, Python, and R and databases such as SQL and NoSQL. Whereas database administrators guarantee that the database is running smoothly, analytical engineers look for methods to improve the procedures and how they are used.


Want to learn more about the Data Science and web programming skills required to work as a data engineer? There are many online courses for getting a data engineer certification, and you can choose based on your schedule and other factors of your interests.

Author's Bio: