Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Job Locations Skill Sets
Period
to 20 September 2021

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Apache Cassandra skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Apache Cassandra over the 6 months to 20 September 2021 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Apache Cassandra
UK > England
6 months to
20 Sep 2021		 Same period 2020 Same period 2019
Rank 434 371 444
Rank change year-on-year -63 +73 -133
Contract jobs citing Apache Cassandra 315 97 408
As % of all contract jobs advertised in England 0.50% 0.38% 0.50%
As % of the Database & Business Intelligence category 2.30% 1.64% 2.27%
Number of daily rates quoted 176 60 320
10th Percentile £425 £413 £425
25th Percentile £477 £478 £495
Median daily rate (50th Percentile) £570 £550 £575
Median % change year-on-year +3.64% -4.35% +9.52%
75th Percentile £638 £628 £650
90th Percentile £675 £689 £725
UK median daily rate £565 £550 £575
% change year-on-year +2.73% -4.35% +9.52%

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 contract job vacancies advertised in England with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
England
Contract vacancies with a requirement for database or business intelligence skills 13,683 5,898 17,997
As % of all contract IT jobs advertised in England 21.62% 23.19% 22.17%
Number of daily rates quoted 9,644 4,128 12,547
10th Percentile £350 £315 £325
25th Percentile £419 £406 £400
Median daily rate (50th Percentile) £525 £500 £475
Median % change year-on-year +5.00% +5.26% -
75th Percentile £625 £600 £575
90th Percentile £713 £688 £663
UK median daily rate £515 £500 £475
% change year-on-year +3.00% +5.26% +1.06%
Number of hourly rates quoted 197 93 225
10th Percentile £13.50 £12.63 £12.55
25th Percentile £20.32 £17.71 £17.25
Median hourly rate £30.00 £25.00 £30.00
Median % change year-on-year +20.00% -16.67% +9.09%
75th Percentile £54.85 £42.00 £51.25
90th Percentile £65.20 £54.80 £60.00
UK median hourly rate £30.00 £24.00 £30.00
% change year-on-year +25.00% -20.00% +11.52%

Apache Cassandra
Job Vacancy Trend in England

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

Job vacancy trend for Apache Cassandra in England

Apache Cassandra
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Apache Cassandra in England.

Daily rate trend for Apache Cassandra in England

Apache Cassandra
Daily Rate Histogram in England

Daily rate distribution for jobs citing Apache Cassandra in England over the 6 months to 20 September 2021.

Daily rate histogram for Apache Cassandra in England

Apache Cassandra
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing Apache Cassandra in England.

Hourly rate trend for Apache Cassandra in England

Apache Cassandra
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Apache Cassandra within the England region over the 6 months to 20 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
Contract
IT Job Ads		 Median
Daily Rate
Past 6 Months		 Median Daily Rate
% Change
on Same Period
Last Year		 Live
Job
Vacancies
London -51 236 £573 -0.43% 44
South East -88 15 £450 -4.26% 7
South West -37 11 £638 +54.55% 1
North of England -78 10 £488 -11.36% 7
North West -55 7 £488 -18.75% 6
Midlands - 6 £500 - 4
West Midlands - 4 £500 - 2
East of England - 4 £775 - 4
Yorkshire -46 3 - - 1
East Midlands - 2 £525 - 2
Apache Cassandra
UK

For the 6 months to 20 September 2021, IT contractor 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 contract job ads across the England region with a requirement for Apache Cassandra.

1 189 (60.00%) Kafka
2 170 (53.97%) Java
3 149 (47.30%) NoSQL
4 124 (39.37%) Agile Software Development
5 120 (38.10%) Microservices
6 115 (36.51%) SQL
7 114 (36.19%) AWS
8 113 (35.87%) Kubernetes
9 111 (35.24%) Python
10 101 (32.06%) Docker
11 90 (28.57%) Analytics
12 88 (27.94%) Scala
13 85 (26.98%) MongoDB
13 85 (26.98%) Apache Spark
14 80 (25.40%) Git (software)
15 77 (24.44%) Hadoop
16 70 (22.22%) Big Data
17 68 (21.59%) MySQL
18 67 (21.27%) Spring
18 67 (21.27%) Social Skills
19 66 (20.95%) Linux
20 64 (20.32%) Jenkins
21 63 (20.00%) Relational Database
22 61 (19.37%) GCP
23 60 (19.05%) Data Pipeline
24 59 (18.73%) Azure
25 58 (18.41%) DevOps
26 57 (18.10%) Ansible
27 55 (17.46%) TDD
28 54 (17.14%) Terraform

Apache Cassandra
Co-occurring IT Skills in England 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 85 (26.98%) Apache Spark
2 26 (8.25%) Apache Airflow
3 25 (7.94%) Elasticsearch
4 23 (7.30%) Luigi
5 22 (6.98%) Apache
6 17 (5.40%) Tomcat
7 9 (2.86%) GemFire
8 8 (2.54%) Confluence
9 6 (1.90%) nginx
10 4 (1.27%) Apache Pulsar
10 4 (1.27%) JBoss
11 3 (0.95%) Cloud Foundry
11 3 (0.95%) Oracle Coherence
11 3 (0.95%) WebSphere
12 2 (0.63%) IBM Domino
12 2 (0.63%) IIS
12 2 (0.63%) Jetty
12 2 (0.63%) Oracle SOA Suite
12 2 (0.63%) SAS
13 1 (0.32%) WebLogic
Applications
1 1 (0.32%) SPSS
1 1 (0.32%) SPSS Modeler
Business Applications
1 1 (0.32%) Unica
Cloud Services
1 114 (36.19%) AWS
2 61 (19.37%) GCP
3 59 (18.73%) Azure
4 36 (11.43%) Serverless
5 23 (7.30%) GitHub
6 20 (6.35%) Azure Functions
7 19 (6.03%) Azure Cosmos DB
8 13 (4.13%) Apigee
8 13 (4.13%) AWS Lambda
9 10 (3.17%) AWS CloudFormation
10 9 (2.86%) Amazon EMR
10 9 (2.86%) OpenShift
11 8 (2.54%) Akamai
11 8 (2.54%) Amazon S3
12 7 (2.22%) Azure Active Directory
12 7 (2.22%) Datadog
13 6 (1.90%) Amazon EC2
13 6 (1.90%) Collibra
13 6 (1.90%) PaaS
13 6 (1.90%) Power Platform
Communications & Networking
1 20 (6.35%) HTTP
2 5 (1.59%) SAN
3 4 (1.27%) Firewall
3 4 (1.27%) VPN
4 3 (0.95%) DNS
4 3 (0.95%) Internet
4 3 (0.95%) TCP/IP
5 1 (0.32%) FTP
5 1 (0.32%) Network Security
Database & Business Intelligence
1 149 (47.30%) NoSQL
2 85 (26.98%) MongoDB
3 77 (24.44%) Hadoop
4 70 (22.22%) Big Data
5 68 (21.59%) MySQL
6 63 (20.00%) Relational Database
7 53 (16.83%) PostgreSQL
8 50 (15.87%) Redis
9 46 (14.60%) HBase
10 33 (10.48%) RDBMS
11 24 (7.62%) Flink
12 23 (7.30%) Apache Hive
13 21 (6.67%) Azkaban
13 21 (6.67%) Data Warehouse
14 18 (5.71%) DataStax
14 18 (5.71%) Spark SQL
15 14 (4.44%) Tableau
16 13 (4.13%) Metadata
17 12 (3.81%) BigQuery
18 11 (3.49%) Amazon Redshift
Development Applications
1 80 (25.40%) Git (software)
2 64 (20.32%) Jenkins
3 33 (10.48%) GitLab
3 33 (10.48%) Maven
4 24 (7.62%) JUnit
5 17 (5.40%) Gatling
5 17 (5.40%) Mockito
6 16 (5.08%) Gradle
7 14 (4.44%) JIRA
8 13 (4.13%) Cucumber
8 13 (4.13%) Jasmine
9 10 (3.17%) Bitbucket
9 10 (3.17%) JMeter
10 9 (2.86%) Mocha
10 9 (2.86%) Selenium
11 7 (2.22%) Karma Test Runner
11 7 (2.22%) Subversion
12 6 (1.90%) GoCD
13 5 (1.59%) LoadRunner
13 5 (1.59%) Sinon.JS
General
1 67 (21.27%) Social Skills
2 53 (16.83%) Finance
3 41 (13.02%) Banking
4 26 (8.25%) Analytical Skills
5 25 (7.94%) Investment Banking
6 17 (5.40%) Marketing
7 13 (4.13%) Presentation Skills
8 11 (3.49%) Front Office
9 5 (1.59%) Aerospace
9 5 (1.59%) Games
9 5 (1.59%) Public Sector
10 4 (1.27%) Telecoms
11 3 (0.95%) Advertising
11 3 (0.95%) Documentation Skills
12 2 (0.63%) Back Office
12 2 (0.63%) Financial Institution
13 1 (0.32%) Electronics
13 1 (0.32%) Manufacturing
13 1 (0.32%) Music Industry
Job Titles
1 118 (37.46%) Developer
2 60 (19.05%) Data Engineer
3 59 (18.73%) Java Developer
4 31 (9.84%) Scala Developer
5 29 (9.21%) Senior Developer
6 26 (8.25%) Senior Java Developer
7 22 (6.98%) Architect
8 18 (5.71%) Site Engineer
8 18 (5.71%) Site Reliability Engineer
9 17 (5.40%) Software Engineer
10 16 (5.08%) AWS Engineer
11 14 (4.44%) Azure Engineer
12 11 (3.49%) DevOps Engineer
13 10 (3.17%) Big Data Manager
13 10 (3.17%) Data Manager
13 10 (3.17%) Full Stack Developer
13 10 (3.17%) Java Engineer
13 10 (3.17%) Platform Manager
14 9 (2.86%) Lead Developer
14 9 (2.86%) Node.js Developer
Libraries, Frameworks & Software Standards
1 189 (60.00%) Kafka
2 67 (21.27%) Spring
3 52 (16.51%) REST
4 35 (11.11%) Node.js
4 35 (11.11%) Spring Boot
5 34 (10.79%) Spark Streaming
6 33 (10.48%) Web Services
7 32 (10.16%) React
8 30 (9.52%) Akka
9 27 (8.57%) AngularJS
9 27 (8.57%) RESTful
10 23 (7.30%) Hibernate
11 22 (6.98%) ARM Templates
12 20 (6.35%) CSS
12 20 (6.35%) HTML
13 18 (5.71%) Spring MVC
14 15 (4.76%) JPA
14 15 (4.76%) jQuery
14 15 (4.76%) Scalaz
15 14 (4.44%) Play Framework
Miscellaneous
1 30 (9.52%) Data Structures
2 22 (6.98%) Algorithms
3 20 (6.35%) Management Information System
4 13 (4.13%) Data Centre
5 11 (3.49%) N-Tier
6 7 (2.22%) Cloud Native
7 6 (1.90%) Public Cloud
8 5 (1.59%) Self-Motivation
9 4 (1.27%) Clustering
9 4 (1.27%) iPad
10 3 (0.95%) Online Games
10 3 (0.95%) User Experience
11 2 (0.63%) Data Protection Act
11 2 (0.63%) Distributed Denial-of-Service
11 2 (0.63%) Enterprise Software
11 2 (0.63%) Linux Command Line
11 2 (0.63%) Replication
12 1 (0.32%) Foreign Exchange (FX)
12 1 (0.32%) Media Streaming
12 1 (0.32%) Mobile Games
Operating Systems
1 66 (20.95%) Linux
2 17 (5.40%) Unix
3 10 (3.17%) Red Hat Enterprise Linux
4 2 (0.63%) Android
4 2 (0.63%) Apple iOS
4 2 (0.63%) VMS
4 2 (0.63%) Windows
5 1 (0.32%) CentOS
5 1 (0.32%) CoreOS
Processes & Methodologies
1 124 (39.37%) Agile Software Development
2 120 (38.10%) Microservices
3 90 (28.57%) Analytics
4 60 (19.05%) Data Pipeline
5 58 (18.41%) DevOps
6 55 (17.46%) TDD
7 50 (15.87%) OO
8 44 (13.97%) Machine Learning
9 43 (13.65%) Computer Science
10 40 (12.70%) Data Modelling
10 40 (12.70%) Software Engineering
11 36 (11.43%) Problem-Solving
12 34 (10.79%) Test Automation
13 32 (10.16%) Open Source
13 32 (10.16%) Workflow
14 29 (9.21%) Data Science
15 27 (8.57%) Scrum
15 27 (8.57%) Site Reliability Engineering
16 26 (8.25%) Pair Programming
17 25 (7.94%) MVC
Programming Languages
1 170 (53.97%) Java
2 115 (36.51%) SQL
3 111 (35.24%) Python
4 88 (27.94%) Scala
5 47 (14.92%) JavaScript
6 38 (12.06%) Bash Shell
7 23 (7.30%) Go
8 18 (5.71%) C++
8 18 (5.71%) Java 8
9 14 (4.44%) C
10 13 (4.13%) Perl
10 13 (4.13%) TypeScript
11 12 (3.81%) PHP
12 11 (3.49%) CQL
13 9 (2.86%) Ruby
14 8 (2.54%) PowerShell
15 5 (1.59%) Kotlin
15 5 (1.59%) R
16 4 (1.27%) PL/SQL
16 4 (1.27%) Shell Script
Qualifications
1 46 (14.60%) Degree
2 37 (11.75%) Computer Science Degree
3 11 (3.49%) Security Cleared
4 8 (2.54%) Master's Degree
5 7 (2.22%) SC Cleared
6 4 (1.27%) AWS Certification
7 1 (0.32%) BPSS Clearance
7 1 (0.32%) MCSE
7 1 (0.32%) Microsoft Certification
7 1 (0.32%) Sun Certification
Quality Assurance & Compliance
1 23 (7.30%) Data Quality
2 7 (2.22%) QA
3 3 (0.95%) SLA
4 1 (0.32%) GDPR
System Software
1 101 (32.06%) Docker
2 14 (4.44%) HDFS
3 7 (2.22%) Apache ZooKeeper
4 6 (1.90%) Active Directory
5 4 (1.27%) Apache Flume
6 2 (0.63%) Platform Symphony
7 1 (0.32%) VMware Infrastructure
Systems Management
1 113 (35.87%) Kubernetes
2 57 (18.10%) Ansible
3 54 (17.14%) Terraform
4 35 (11.11%) Prometheus
5 34 (10.79%) Grafana
6 14 (4.44%) Puppet
7 12 (3.81%) Kibana
8 9 (2.86%) Graphite
8 9 (2.86%) logstash
9 8 (2.54%) Istio
10 5 (1.59%) ZABBIX
11 4 (1.27%) Oozie
11 4 (1.27%) Opscode Chef
12 2 (0.63%) Docker Swarm
12 2 (0.63%) Mesos
12 2 (0.63%) Rancher
13 1 (0.32%) Amdocs OSS
13 1 (0.32%) Fluentd
13 1 (0.32%) Hadoop YARN
13 1 (0.32%) Packer
Vendors
1 33 (10.48%) Oracle
2 23 (7.30%) Databricks
3 19 (6.03%) Google
4 14 (4.44%) Microsoft
5 11 (3.49%) Red Hat
6 10 (3.17%) Ab Initio
6 10 (3.17%) Atlassian
6 10 (3.17%) MapR
7 9 (2.86%) Cloudera
8 7 (2.22%) IBM
8 7 (2.22%) Twitter
9 5 (1.59%) 3PAR
9 5 (1.59%) HP
9 5 (1.59%) SOASTA, Inc
9 5 (1.59%) VMware
10 4 (1.27%) Dell
10 4 (1.27%) MuleSoft
11 3 (0.95%) NetCracker
11 3 (0.95%) Salesforce.com
11 3 (0.95%) TIBCO