Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Job Locations Skill Sets
Period
to 5 April 2020

The following table provides summary statistics for contract job vacancies 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 5 April 2020 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
6 months to
5 Apr 2020		 Same period 2019 Same period 2018
Rank 431 314 354
Rank change year-on-year -117 +40 +10
Contract jobs citing Apache Cassandra 267 805 712
As % of all contract jobs advertised in the UK 0.43% 0.83% 0.70%
As % of the Database & Business Intelligence category 2.08% 3.73% 3.15%
Number of daily rates quoted 182 586 564
Median daily rate £550 £550 £525
Median daily rate % change year-on-year - +4.76% -
10th Percentile £413 £413 £382
90th Percentile £713 £675 £638
UK excluding London median daily rate £475 £500 £450
% change year-on-year -5.00% +11.11% -8.40%
Number of hourly rates quoted 1 0 2
Median hourly rate £40.00 - £61.25
UK excluding London median hourly rate £40.00 - £61.25

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 with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 12,824 21,586 22,633
As % of all contract IT jobs advertised in the UK 20.83% 22.27% 22.25%
Number of daily rates quoted 8,406 14,836 15,682
Median daily rate £475 £475 £470
Median daily rate % change year-on-year - +1.06% +7.43%
10th Percentile £320 £323 £310
90th Percentile £675 £650 £625
UK excluding London median daily rate £450 £425 £410
% change year-on-year +5.88% +3.66% +3.80%
Number of hourly rates quoted 230 252 249
Median hourly rate £35.00 £35.00 £33.00
Median hourly rate % change year-on-year - +6.06% +20.00%
10th Percentile £14.76 £14.00 £14.54
90th Percentile £55.00 £57.50 £53.10
Median hourly rate £25.55 £35.00 £37.50
% change year-on-year -27.01% -6.67% +50.00%

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
Contractor Daily Rate Trend

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

Daily rate trend for Apache Cassandra in the UK

Apache Cassandra
Daily Rate Histogram

Daily rate distribution for jobs citing Apache Cassandra over the 6 months to 5 April 2020.

Daily rate histogram for Apache Cassandra in the UK

Apache Cassandra
Contractor Hourly Rate Trend

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

Hourly rate trend for Apache Cassandra in the UK

Apache Cassandra
Top 15 Contract Locations

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 UK over the 6 months to 5 April 2020. 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
England -105 259 £550 - 90
London -54 189 £573 -0.43% 62
UK excluding London -31 75 £475 -5.00% 33
South East +21 32 £425 -15.00% 11
North of England +19 28 £500 - 7
North West +21 15 £495 -10.00% 2
Yorkshire +23 13 £515 +3.05% 4
East of England +31 5 £488 -11.36% 5
Work from Home +7 4 £575 +24.32% 5
Wales - 4 £508 - 2
Midlands +44 2 £375 -21.05% 3
South West +5 2 £400 -30.43% 2
Scotland 0 2 £500 +17.65% 3
West Midlands +46 1 £400 -18.99% 1
East Midlands +24 1 £350 -16.67% 2

For the 6 months to 5 April 2020, 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 with a requirement for Apache Cassandra.

1 159 (59.55%) NoSQL
2 147 (55.06%) Java
3 139 (52.06%) MongoDB
4 127 (47.57%) AWS
5 126 (47.19%) Python
6 113 (42.32%) SQL
7 110 (41.20%) Kafka
8 96 (35.96%) Azure
9 88 (32.96%) Agile Software Development
10 83 (31.09%) Microservices
11 82 (30.71%) Scala
12 74 (27.72%) DevOps
13 73 (27.34%) HBase
14 72 (26.97%) Apache Spark
15 71 (26.59%) Relational Database
15 71 (26.59%) Kubernetes
15 71 (26.59%) Analytics
15 71 (26.59%) Software Engineering
16 67 (25.09%) Big Data
17 65 (24.34%) Docker
18 64 (23.97%) GCP
18 64 (23.97%) Oracle
19 59 (22.10%) Web Services
20 57 (21.35%) Finance
20 57 (21.35%) Hadoop
21 55 (20.60%) Linux
22 54 (20.22%) Banking
23 51 (19.10%) Migration
24 50 (18.73%) RDBMS
25 49 (18.35%) Amazon DynamoDB

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 72 (26.97%) Apache Spark
2 26 (9.74%) Elasticsearch
3 25 (9.36%) Apache
4 15 (5.62%) Apache Airflow
5 12 (4.49%) Tomcat
6 10 (3.75%) OpenStack
7 9 (3.37%) Jetty
8 7 (2.62%) Jupyter
9 6 (2.25%) SAS
10 4 (1.50%) Apache Pig
10 4 (1.50%) Luigi
11 3 (1.12%) Confluence
11 3 (1.12%) nginx
11 3 (1.12%) Oracle Workflow
12 2 (0.75%) Cloud Foundry
13 1 (0.37%) JBoss
13 1 (0.37%) Oracle SOA Suite
Applications
1 1 (0.37%) Microsoft Excel
Business Applications
1 27 (10.11%) FINCAD Analytics
Cloud Services
1 127 (47.57%) AWS
2 96 (35.96%) Azure
3 64 (23.97%) GCP
4 27 (10.11%) AWS Step Functions
5 18 (6.74%) Amazon S3
6 17 (6.37%) Amazon Kinesis
7 11 (4.12%) PaaS
8 7 (2.62%) Amazon CloudWatch
8 7 (2.62%) OpenShift
8 7 (2.62%) Power Platform
8 7 (2.62%) SaaS
9 6 (2.25%) Amazon EC2
9 6 (2.25%) AWS CloudTrail
9 6 (2.25%) CloudFront
9 6 (2.25%) GitHub
9 6 (2.25%) Serverless
9 6 (2.25%) Virtual Private Cloud
10 5 (1.87%) Amazon EKS
10 5 (1.87%) Route 53
11 4 (1.50%) AWS CodePipeline
Communications & Networking
1 32 (11.99%) HTTP
2 10 (3.75%) Internet
3 8 (3.00%) DOCSIS
3 8 (3.00%) SNMP
3 8 (3.00%) TCP/IP
4 7 (2.62%) DHCP
4 7 (2.62%) DSL
4 7 (2.62%) VPN
5 6 (2.25%) AMQP
6 5 (1.87%) DNS
6 5 (1.87%) Kerberos
6 5 (1.87%) MQTT
7 3 (1.12%) Firewall
7 3 (1.12%) SSH
7 3 (1.12%) SSL
7 3 (1.12%) Wireless
8 1 (0.37%) Broadband
8 1 (0.37%) OpenLDAP
8 1 (0.37%) SMS
Database & Business Intelligence
1 159 (59.55%) NoSQL
2 139 (52.06%) MongoDB
3 73 (27.34%) HBase
4 71 (26.59%) Relational Database
5 67 (25.09%) Big Data
6 57 (21.35%) Hadoop
7 50 (18.73%) RDBMS
8 49 (18.35%) Amazon DynamoDB
9 48 (17.98%) MySQL
10 47 (17.60%) Redis
11 43 (16.10%) PostgreSQL
12 34 (12.73%) DB2
12 34 (12.73%) MariaDB
12 34 (12.73%) SQL Server
13 31 (11.61%) Apache Hive
13 31 (11.61%) Couchbase
14 29 (10.86%) Amazon Athena
14 29 (10.86%) Neo4j
15 25 (9.36%) Amazon Aurora
16 20 (7.49%) Flink
Development Applications
1 44 (16.48%) Jenkins
2 30 (11.24%) Git (software)
3 19 (7.12%) Maven
4 14 (5.24%) GitLab
5 13 (4.87%) Mockito
6 12 (4.49%) JUnit
6 12 (4.49%) Selenium
6 12 (4.49%) SonarQube
7 11 (4.12%) Artifactory
8 10 (3.75%) Gradle
9 9 (3.37%) Cucumber
10 7 (2.62%) Subversion
10 7 (2.62%) Visual Studio
10 7 (2.62%) Visual Studio Team System
11 5 (1.87%) Bitbucket
12 4 (1.50%) Hudson
12 4 (1.50%) JIRA
13 3 (1.12%) EasyMock
13 3 (1.12%) Octopus Deploy
13 3 (1.12%) TeamCity
General
1 57 (21.35%) Finance
2 54 (20.22%) Banking
3 32 (11.99%) Front Office
4 15 (5.62%) Public Sector
5 10 (3.75%) Games
6 7 (2.62%) Telecoms
7 4 (1.50%) Investment Banking
7 4 (1.50%) Legal
8 3 (1.12%) Back Office
9 2 (0.75%) Advertising
9 2 (0.75%) Marketing
9 2 (0.75%) Publishing
10 1 (0.37%) Retail
Job Titles
1 95 (35.58%) Developer
2 43 (16.10%) Architect
2 43 (16.10%) Data Engineer
3 41 (15.36%) Java Developer
4 37 (13.86%) DevOps Engineer
5 34 (12.73%) Senior Developer
6 27 (10.11%) Data Architect
7 23 (8.61%) AWS Engineer
8 19 (7.12%) Senior Java Developer
9 17 (6.37%) Big Data Architect
10 16 (5.99%) AWS Developer
11 15 (5.62%) NoSQL Engineer
12 14 (5.24%) Cloud Engineer
12 14 (5.24%) Java Engineer
12 14 (5.24%) NoSQL Developer
13 13 (4.87%) Software Engineer
14 12 (4.49%) Cloud Developer
15 11 (4.12%) Big Data Engineer
15 11 (4.12%) Python Engineer
15 11 (4.12%) Scala Developer
Libraries, Frameworks & Software Standards
1 110 (41.20%) Kafka
2 59 (22.10%) Web Services
3 43 (16.10%) Spring
4 36 (13.48%) Node.js
5 35 (13.11%) REST
6 30 (11.24%) HTML
7 25 (9.36%) J2EE
8 24 (8.99%) Spring Boot
9 23 (8.61%) CSS
10 20 (7.49%) Elastic Stack
10 20 (7.49%) HTML5
11 19 (7.12%) RabbitMQ
12 18 (6.74%) React
13 17 (6.37%) Spark Streaming
14 16 (5.99%) RESTful
15 15 (5.62%) JSON
15 15 (5.62%) SOAP
16 14 (5.24%) AngularJS
16 14 (5.24%) Pandas
17 13 (4.87%) XML
Miscellaneous
1 29 (10.86%) Foreign Exchange (FX)
1 29 (10.86%) Hedge funds
2 27 (10.11%) Derivative
2 27 (10.11%) Equity Derivative
2 27 (10.11%) Fixed Income
3 23 (8.61%) Analytical Skills
3 23 (8.61%) Market Risk
4 17 (6.37%) Data Structures
5 15 (5.62%) Public Cloud
6 9 (3.37%) Algorithms
6 9 (3.37%) Cloud Native
6 9 (3.37%) Greenfield Project
6 9 (3.37%) User Experience
7 5 (1.87%) Clustering
8 4 (1.50%) Management Information System
9 3 (1.12%) Credit Risk
9 3 (1.12%) Data Centre
9 3 (1.12%) Enterprise Software
9 3 (1.12%) Linux Command Line
9 3 (1.12%) Tandem
Operating Systems
1 55 (20.60%) Linux
2 21 (7.87%) Windows
3 12 (4.49%) Red Hat Enterprise Linux
4 9 (3.37%) Unix
5 8 (3.00%) CentOS
6 1 (0.37%) DC/OS
6 1 (0.37%) VME
Processes & Methodologies
1 88 (32.96%) Agile Software Development
2 83 (31.09%) Microservices
3 74 (27.72%) DevOps
4 71 (26.59%) Analytics
4 71 (26.59%) Software Engineering
5 51 (19.10%) Migration
6 48 (17.98%) Data Science
7 44 (16.48%) TDD
8 40 (14.98%) ETL
9 38 (14.23%) Test Automation
10 35 (13.11%) Machine Learning
11 31 (11.61%) Asset Management
11 31 (11.61%) Continuous Integration
12 27 (10.11%) Risk Analytics
13 26 (9.74%) Scrum
14 23 (8.61%) BDD
14 23 (8.61%) Unit Testing
15 22 (8.24%) OO
16 21 (7.87%) Open Source
16 21 (7.87%) Use Case
Programming Languages
1 147 (55.06%) Java
2 126 (47.19%) Python
3 113 (42.32%) SQL
4 82 (30.71%) Scala
5 44 (16.48%) JavaScript
6 39 (14.61%) Kotlin
7 22 (8.24%) Bash Shell
8 21 (7.87%) R
9 20 (7.49%) C#
10 19 (7.12%) Go
11 18 (6.74%) C++
12 17 (6.37%) Ruby
13 11 (4.12%) Perl
13 11 (4.12%) T-SQL
14 10 (3.75%) Clojure
14 10 (3.75%) Java 8
15 9 (3.37%) Groovy
15 9 (3.37%) PL/SQL
16 6 (2.25%) XAML
17 5 (1.87%) CQL
Qualifications
1 28 (10.49%) Security Cleared
2 24 (8.99%) SC Cleared
3 23 (8.61%) Degree
4 9 (3.37%) Computer Science Degree
5 5 (1.87%) CCNA
5 5 (1.87%) CCNP
5 5 (1.87%) Cisco Certification
6 4 (1.50%) BPSS Clearance
7 3 (1.12%) Master's Degree
8 1 (0.37%) AWS Certification
8 1 (0.37%) PhD
Quality Assurance & Compliance
1 16 (5.99%) QA
2 5 (1.87%) Data Quality
3 2 (0.75%) PCI DSS
System Software
1 65 (24.34%) Docker
2 32 (11.99%) HDFS
3 4 (1.50%) Apache Flume
4 2 (0.75%) Active Directory
5 1 (0.37%) Virtual Servers
5 1 (0.37%) zsh
Systems Management
1 71 (26.59%) Kubernetes
2 26 (9.74%) Ansible
3 22 (8.24%) Terraform
4 19 (7.12%) Kibana
5 12 (4.49%) Grafana
6 11 (4.12%) Puppet
7 9 (3.37%) linkerd
8 8 (3.00%) Hadoop YARN
8 8 (3.00%) logstash
8 8 (3.00%) Rancher
9 7 (2.62%) Istio
10 5 (1.87%) Opscode Chef
10 5 (1.87%) Sysdig
11 4 (1.50%) Nagios
11 4 (1.50%) Packer
11 4 (1.50%) Prometheus
12 3 (1.12%) Graphite
12 3 (1.12%) Microsoft Clustering
12 3 (1.12%) Rundeck
13 1 (0.37%) Salt
Vendors
1 64 (23.97%) Oracle
2 42 (15.73%) Google
3 32 (11.99%) Sybase
4 27 (10.11%) Microsoft
5 12 (4.49%) Tableau
6 9 (3.37%) Cloudera
7 8 (3.00%) Greenplum
7 8 (3.00%) MapR
8 7 (2.62%) Ab Initio
8 7 (2.62%) Gemalto
8 7 (2.62%) hybris
8 7 (2.62%) Talend
9 6 (2.25%) Splunk
9 6 (2.25%) Xamarin
10 5 (1.87%) Cisco
10 5 (1.87%) Juniper
10 5 (1.87%) Nokia
11 4 (1.50%) Atlassian
11 4 (1.50%) Black Duck
11 4 (1.50%) IBM