Hire Cassandra Developers

Open-Source Data Management

Introduced in 2008 by Facebook, Apache Cassandra is a widely-used, highly popular data management tool. Huge businesses, including a number of Fortune 500 companies, look to the open-source database system to accommodate, transfer, and manage large amounts of data every day. GrubHub, Instagram, Reddit, Instacart, Netflix, Uber, Spotify, Walmart, Target, Cox Communications, and, of course, Facebook are just some of those big names.

As businesses grow and generate greater and greater amounts of data, they are increasingly turning to Cassandra as a solution for handling this abundance of information. With that comes the need for a talented developer who can build and incorporate Cassandra solutions into their fold.

Hire Cassandra Developers 7

Cassandra Developers Hiring guide

A relatively new technology, Cassandra has gained enormous popularity in recent years, outpacing that of many of its peers. The platform itself has grown along with its capabilities, leading to many companies choosing to include it in their stacks. As of July 2021, Cassandra ranks 10th in DB Engines, a list of the popularity rankings of database management systems.

Cassandra is widely used in a range of industries, particularly those that manage and process huge amounts of data, such as information technology, healthcare, finance and banking, education, retail, and many others. It’s found around the world, from the U.S. to Australia to Argentina to India.

Interview Questions

Describe the main features of Cassandra

Cassandra is ideal for applications and programs that must retain their data while running concurrently, without suffering from outages. Some of the main features and benefits of using the data management tool are:
Synchronous and asynchronous replication options
Data distribution
Distributed architecture
Fault tolerance
Low latency
Replication support
Stability and consistency
Additionally, Cassandra has its own query language, called Cassandra Query Language or CQL, which supports the data management system.

What do we mean by NoSQL?

An acronym of Not only SQL — usually indicates that you are working with a non-relational database. These kinds of databases are means of storing and accessing data in multiple formats or types, those that aren’t necessarily presented in table form. The 4 main types of NoSQL databases are:
Document store
Graph store
Key-value store
Wide-column store
These databases are scalable and able to accommodate multiple data loads, along with different types of information. Cassandra is an example of a NoSQL database management tool

What query language does Cassandra use?

Cassandra has its own query language, called Cassandra Query Language or CQL. This is the predominant way a developer can interact and communicate with a Cassandra database. Similar to SQL in structure, it presents an alternative to the more established query language.

What separates Cassandra from other NoSQL database solutions?

Cassandra is one of the most popular NoSQL database solutions and with good reason. For one, nodes are critical to the process of scaling — it increasingly adds nodes such that it is able to run without a master and experience no downtime or failures. Therefore, it’s a high-performance solution.   Moreover, data that originates on a node in a given location can be accessed by a node in a different location via Cassandra’s network of distributed devices. Additionally, Cassandra is a wide column store, in which the formats of the columns can be different within the same table.

What are the benefits of Scrum?

Describe the components of Cassandra: The main components of Cassandra are:
Nodes that store data and are able to accept requests from any data location
Data centers that store related nodes
Clusters that store data centers
Other components are:
SSTables, or sorted string tables
Commit logs
CQL tables
Bloom filters

Job Opportunities at BairesDev

Job Description

We are looking for a Java developer to work with Cassandra database management systems. In your role, you will use Java and other languages and technologies to build secure databases and data networks, as well as scale and improve existing ones.


  • Design and develop scalable data architecture
  • Monitor Cassandra solutions’ performance and analytics
  • Code scripts
  • Scale existing data management systems
  • Clean data
  • Handle upgrades and repairs as needed
  • Work with stakeholders to define and research key requirements
  • Collaborate with other developers and team members to ensure precision and quality

Skills And Qualifications

  • At least 4 years of experience with Apache Cassandra, including design, development, performance optimization, and implementation
  • At least 7 years of experience with Java
  • Knowledge of Cassandra architecture
  • Knowledge of Cassandra Query Language (CQL)
  • Table design experience
  • Experience in Kafka development
  • Experience with Linux and Unix
  • Experience with C language
  • Experience working with schema
  • Proven ability to monitor systems
  • Knowledge of tuning
  • Ability to manage large projects
  • Extensive NoSQL experience
  • Experience with index and search programs and tools
  • Experience with Cassandra clusters
  • Experience working in an agile environment
  • Data-processing and data-loading skills
  • Superior problem-solving, analytical, and written and verbal communication skills
  • Bachelor’s degree in computer science or a related discipline

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