Period
to 28 September 2021

The following table provides summary statistics for permanent job vacancies with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Apache Cassandra over the 6 months to 28 September 2021 with a comparison to the same period in the previous 2 years.

Apache Cassandra
UK
6 months to
28 Sep 2021
Same period 2020 Same period 2019
Rank 525 407 514
Rank change year-on-year -118 +107 -97
Permanent jobs citing Apache Cassandra 634 306 734
As % of all permanent jobs advertised in the UK 0.52% 0.64% 0.53%
As % of the Database & Business Intelligence category 1.84% 2.21% 1.92%
Number of salaries quoted 396 254 550
10th Percentile £42,500 £45,000 £43,750
25th Percentile £53,750 £55,000 £50,000
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - +12.00%
75th Percentile £90,000 £90,000 £86,250
90th Percentile £107,500 £106,250 £102,699
UK excluding London median annual salary £57,500 £50,500 £55,000
% change year-on-year +13.86% -8.18% -

Apache Cassandra is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Permanent vacancies with a requirement for database or business intelligence skills 34,485 13,866 38,258
As % of all permanent IT jobs advertised in the UK 28.04% 28.85% 27.43%
Number of salaries quoted 22,315 11,689 31,530
10th Percentile £35,000 £33,750 £31,250
25th Percentile £42,500 £42,000 £38,284
Median annual salary (50th Percentile) £57,500 £55,000 £52,500
Median % change year-on-year +4.55% +4.76% +5.00%
75th Percentile £76,750 £72,500 £70,000
90th Percentile £95,000 £90,000 £85,500
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

Apache Cassandra
Job Vacancy Trend

Job postings citing Apache Cassandra as a proportion of all IT jobs advertised.

Job vacancy trend for Apache Cassandra in the UK

Apache Cassandra
Salary Trend

3-month moving average salary quoted in jobs citing Apache Cassandra.

Salary trend for Apache Cassandra in the UK

Apache Cassandra
Salary Histogram

Salary distribution for jobs citing Apache Cassandra over the 6 months to 28 September 2021.

Salary histogram for Apache Cassandra in the UK

Apache Cassandra
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Apache Cassandra within the UK over the 6 months to 28 September 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -90 575 £75,000 +7.14% 69
London -130 356 £80,000 +6.67% 47
UK excluding London -104 230 £57,500 +13.86% 28
Work from Home -183 107 £70,000 - 13
South East -111 69 £75,000 +42.86% 3
North of England -104 45 £57,500 +15.00% 8
Midlands -98 36 £50,000 +56.25% 5
Yorkshire -72 30 £57,500 +21.05% 1
East of England -81 29 £56,250 -19.64% 3
West Midlands - 29 £47,500 - 3
South West -98 23 £55,000 +8.91% 2
Scotland -92 22 £55,000 +15.79% 1
North West -82 15 £50,000 -9.09% 7
East Midlands -73 7 £50,000 +56.25% 2
Wales -40 4 £56,500 +25.56% 5
Northern Ireland -49 2 £57,500 - 1

For the 6 months to 28 September 2021, IT jobs citing Apache Cassandra also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Apache Cassandra.

1 392 (61.83%) Agile Software Development
2 380 (59.94%) Java
3 350 (55.21%) Kafka
4 338 (53.31%) MongoDB
5 331 (52.21%) NoSQL
6 326 (51.42%) AWS
7 288 (45.43%) Docker
8 286 (45.11%) Kubernetes
9 267 (42.11%) Python
10 263 (41.48%) DevOps
11 218 (34.38%) SQL
12 209 (32.97%) Azure
13 186 (29.34%) Microservices
14 175 (27.60%) Spring
14 175 (27.60%) Big Data
15 172 (27.13%) Software Engineering
16 168 (26.50%) JavaScript
17 167 (26.34%) PostgreSQL
18 165 (26.03%) Analytics
19 151 (23.82%) Elasticsearch
19 151 (23.82%) Apache Spark
20 150 (23.66%) Finance
21 145 (22.87%) Hadoop
22 141 (22.24%) Linux
23 140 (22.08%) React
24 131 (20.66%) Full Stack Development
25 128 (20.19%) Test Automation
26 125 (19.72%) Relational Database
27 117 (18.45%) Ansible
27 117 (18.45%) TDD

Apache Cassandra
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 151 (23.82%) Apache Spark
1 151 (23.82%) Elasticsearch
2 84 (13.25%) Apache
3 23 (3.63%) Apache Airflow
4 16 (2.52%) Tomcat
5 15 (2.37%) Apache Solr
6 13 (2.05%) Luigi
7 11 (1.74%) IIS
8 10 (1.58%) nginx
9 7 (1.10%) Confluence
10 6 (0.95%) OpenStack
11 5 (0.79%) Drupal
12 4 (0.63%) Apache Pulsar
12 4 (0.63%) JBoss
12 4 (0.63%) Oracle SOA Suite
13 3 (0.47%) IBM Domino
14 2 (0.32%) Apache Pig
14 2 (0.32%) GemFire
14 2 (0.32%) SAS
14 2 (0.32%) WordPress
Applications
1 3 (0.47%) Weka
Business Applications
1 9 (1.42%) Payment Gateway
2 4 (0.63%) Summit
3 2 (0.32%) WebTrends
Cloud Services
1 326 (51.42%) AWS
2 209 (32.97%) Azure
3 116 (18.30%) GCP
4 48 (7.57%) SaaS
5 40 (6.31%) Power Platform
5 40 (6.31%) Serverless
6 38 (5.99%) OpenShift
7 37 (5.84%) GitHub
8 36 (5.68%) Azure Data Factory
9 35 (5.52%) Cloud Computing
10 27 (4.26%) Azure Service Bus
10 27 (4.26%) PaaS
11 25 (3.94%) Azure Cosmos DB
11 25 (3.94%) Snowflake
12 24 (3.79%) Amazon S3
12 24 (3.79%) Azure Logic Apps
13 23 (3.63%) Amazon EC2
13 23 (3.63%) Azure Event Grid
13 23 (3.63%) GitHub Actions
13 23 (3.63%) Microsoft 365
Communications & Networking
1 27 (4.26%) Internet
2 25 (3.94%) HTTP
3 23 (3.63%) Firewall
4 9 (1.42%) SSL
5 7 (1.10%) Extranet
5 7 (1.10%) Intranet
5 7 (1.10%) Network Security
6 6 (0.95%) TCP/IP
7 4 (0.63%) DNS
7 4 (0.63%) Sourcefire
8 3 (0.47%) RIP
8 3 (0.47%) SSH
9 2 (0.32%) DSL
9 2 (0.32%) VLAN
10 1 (0.16%) SMS
10 1 (0.16%) tcpdump
10 1 (0.16%) Telnet
10 1 (0.16%) Unified Communications
Database & Business Intelligence
1 338 (53.31%) MongoDB
2 331 (52.21%) NoSQL
3 175 (27.60%) Big Data
4 167 (26.34%) PostgreSQL
5 145 (22.87%) Hadoop
6 125 (19.72%) Relational Database
7 114 (17.98%) MySQL
8 108 (17.03%) Redis
9 83 (13.09%) SQL Server
10 67 (10.57%) Amazon DynamoDB
11 64 (10.09%) SQL Server Integration Services
12 60 (9.46%) HBase
13 56 (8.83%) Data Lake
14 40 (6.31%) Power BI
15 38 (5.99%) Metadata
16 37 (5.84%) Amazon Redshift
17 35 (5.52%) Apache Hive
18 33 (5.21%) Amazon RDS
19 32 (5.05%) HDInsight
20 25 (3.94%) InfluxDB
Development Applications
1 114 (17.98%) Jenkins
2 98 (15.46%) Git (software)
3 63 (9.94%) Maven
4 33 (5.21%) JIRA
5 32 (5.05%) JUnit
6 21 (3.31%) Gradle
7 17 (2.68%) GitLab
8 15 (2.37%) Mockito
9 13 (2.05%) Atlassian Bamboo
9 13 (2.05%) Cucumber
10 12 (1.89%) Selenium
11 11 (1.74%) Artifactory
11 11 (1.74%) Bitbucket
12 10 (1.58%) Subversion
12 10 (1.58%) Visual Studio
13 9 (1.42%) Capybara
13 9 (1.42%) minitest
13 9 (1.42%) RSpec
14 7 (1.10%) dotCover
14 7 (1.10%) NCover
General
1 150 (23.66%) Finance
2 104 (16.40%) Social Skills
3 54 (8.52%) Games
4 40 (6.31%) Analytical Skills
5 24 (3.79%) Retail
6 20 (3.15%) Banking
7 19 (3.00%) Front Office
8 17 (2.68%) Advertising
9 16 (2.52%) Inclusion and Diversity
10 13 (2.05%) Back Office
11 12 (1.89%) Law
11 12 (1.89%) Telecoms
12 11 (1.74%) Financial Institution
12 11 (1.74%) Manufacturing
12 11 (1.74%) Marketing
13 10 (1.58%) Influencing Skills
13 10 (1.58%) Local Government
13 10 (1.58%) Organisational Skills
14 6 (0.95%) Public Sector
15 3 (0.47%) Electronics
Job Titles
1 244 (38.49%) Developer
2 181 (28.55%) Java Developer
3 86 (13.56%) Senior Developer
4 82 (12.93%) Data Engineer
5 62 (9.78%) Senior Java Developer
6 51 (8.04%) Software Engineer
7 42 (6.62%) Java Engineer
8 38 (5.99%) DevOps Engineer
9 36 (5.68%) Big Data Engineer
10 34 (5.36%) Full Stack Developer
11 33 (5.21%) Consultant
12 31 (4.89%) Architect
13 25 (3.94%) Lead Developer
14 24 (3.79%) Security Engineer
14 24 (3.79%) Senior Data Engineer
15 23 (3.63%) Azure Consultant
15 23 (3.63%) Lead Java Developer
15 23 (3.63%) Senior Consultant
15 23 (3.63%) Senior Software Engineer
16 22 (3.47%) Cybersecurity Engineer
Libraries, Frameworks & Software Standards
1 350 (55.21%) Kafka
2 175 (27.60%) Spring
3 140 (22.08%) React
4 112 (17.67%) AngularJS
5 106 (16.72%) Spring Boot
6 95 (14.98%) RabbitMQ
7 75 (11.83%) REST
8 74 (11.67%) Node.js
9 62 (9.78%) .NET
9 62 (9.78%) Web Services
10 58 (9.15%) HTML
11 51 (8.04%) CSS
12 48 (7.57%) RESTful
13 46 (7.26%) Hibernate
14 37 (5.84%) ActiveMQ
15 34 (5.36%) Redux
16 32 (5.05%) Elastic Stack
17 29 (4.57%) Java EE
18 28 (4.42%) ARM Templates
19 25 (3.94%) Vue.js
Miscellaneous
1 65 (10.25%) Self-Motivation
2 58 (9.15%) Data Structures
3 53 (8.36%) Algorithms
4 34 (5.36%) User Experience
5 30 (4.73%) Cloud Native
6 26 (4.10%) SWIFT
7 21 (3.31%) iPhone
7 21 (3.31%) Mobile App
8 20 (3.15%) Blog
9 19 (3.00%) Derivative
10 18 (2.84%) Digital Media
10 18 (2.84%) Linux Command Line
11 15 (2.37%) Social Media
12 14 (2.21%) PKI
13 13 (2.05%) Renewable Energy
14 12 (1.89%) Hybrid Cloud
14 12 (1.89%) Management Information System
14 12 (1.89%) Private Cloud
14 12 (1.89%) Virtual Team
15 11 (1.74%) Enterprise Software
Operating Systems
1 141 (22.24%) Linux
2 46 (7.26%) Unix
3 32 (5.05%) Windows
4 24 (3.79%) Red Hat Enterprise Linux
5 19 (3.00%) Android
6 17 (2.68%) Apple iOS
6 17 (2.68%) VMS
6 17 (2.68%) Windows Server
7 6 (0.95%) CentOS
8 5 (0.79%) Ubuntu
9 4 (0.63%) DC/OS
10 2 (0.32%) AIX
10 2 (0.32%) Mac OS
10 2 (0.32%) Solaris
11 1 (0.16%) CoreOS
11 1 (0.16%) Debian
Processes & Methodologies
1 392 (61.83%) Agile Software Development
2 263 (41.48%) DevOps
3 186 (29.34%) Microservices
4 172 (27.13%) Software Engineering
5 165 (26.03%) Analytics
6 131 (20.66%) Full Stack Development
7 128 (20.19%) Test Automation
8 117 (18.45%) TDD
9 90 (14.20%) Continuous Integration
10 89 (14.04%) ETL
11 88 (13.88%) Problem-Solving
12 82 (12.93%) Data Modelling
12 82 (12.93%) Data Pipeline
13 80 (12.62%) Event-Driven
13 80 (12.62%) Multithreading
14 76 (11.99%) Computer Science
15 75 (11.83%) Continuous Delivery
16 74 (11.67%) Data Management
17 67 (10.57%) Business Intelligence
18 65 (10.25%) Event-Driven Architecture
Programming Languages
1 380 (59.94%) Java
2 267 (42.11%) Python
3 218 (34.38%) SQL
4 168 (26.50%) JavaScript
5 106 (16.72%) C#
6 101 (15.93%) Java 8
7 70 (11.04%) Bash Shell
8 68 (10.73%) TypeScript
9 59 (9.31%) Go
10 56 (8.83%) Scala
11 54 (8.52%) PowerShell
12 29 (4.57%) Kotlin
13 28 (4.42%) R
13 28 (4.42%) Shell Script
14 21 (3.31%) PHP
14 21 (3.31%) Ruby
15 14 (2.21%) Java 11
16 12 (1.89%) Java 9
16 12 (1.89%) Perl
17 11 (1.74%) C++
Qualifications
1 66 (10.41%) Degree
2 34 (5.36%) Computer Science Degree
3 10 (1.58%) Master's Degree
4 9 (1.42%) Sun Certification
5 8 (1.26%) PhD
6 3 (0.47%) Security Cleared
7 2 (0.32%) OCP
7 2 (0.32%) Oracle Certification
8 1 (0.16%) DV Cleared
8 1 (0.16%) PMI Certification
8 1 (0.16%) PMP
8 1 (0.16%) SC Cleared
Quality Assurance & Compliance
1 47 (7.41%) QA
2 12 (1.89%) Data Quality
3 6 (0.95%) PCI DSS
4 3 (0.47%) GDPR
5 2 (0.32%) ISO 8583
5 2 (0.32%) MiFID
6 1 (0.16%) PMBOK
System Software
1 288 (45.43%) Docker
2 35 (5.52%) Apache ZooKeeper
3 7 (1.10%) Virtual Machines
4 5 (0.79%) HDFS
4 5 (0.79%) VMware Infrastructure
5 4 (0.63%) Ceph
5 4 (0.63%) NFS
6 1 (0.16%) Apache Flume
6 1 (0.16%) Hyper-V
6 1 (0.16%) KVM
Systems Management
1 286 (45.11%) Kubernetes
2 117 (18.45%) Ansible
3 74 (11.67%) Terraform
4 42 (6.62%) Puppet
5 30 (4.73%) Opscode Chef
6 21 (3.31%) Grafana
6 21 (3.31%) Prometheus
7 16 (2.52%) Kibana
8 14 (2.21%) logstash
8 14 (2.21%) Mesos
8 14 (2.21%) Nagios
9 13 (2.05%) Istio
10 8 (1.26%) Opsgenie
11 7 (1.10%) Docker Swarm
12 5 (0.79%) ZABBIX
13 4 (0.63%) Graylog
13 4 (0.63%) HAProxy
13 4 (0.63%) Icinga
13 4 (0.63%) Marathon
13 4 (0.63%) Salt
Vendors
1 94 (14.83%) Oracle
2 37 (5.84%) Databricks
2 37 (5.84%) Microsoft
3 34 (5.36%) Google
4 29 (4.57%) Splunk
5 26 (4.10%) Palantir
5 26 (4.10%) Red Hat
6 20 (3.15%) Greenplum
7 16 (2.52%) Cisco
8 14 (2.21%) Xamarin
9 13 (2.05%) PagerDuty
10 11 (1.74%) Instagram
11 10 (1.58%) Facebook
12 9 (1.42%) MKS
12 9 (1.42%) TIBCO
13 8 (1.26%) Dell
13 8 (1.26%) VMware
14 7 (1.10%) Hortonworks
14 7 (1.10%) IBM
14 7 (1.10%) Salesforce.com