Job Vacancy Trend Daily Rate Trend Daily Rate Histogram Hourly Rate Trend Job Locations Skill Sets
Period
to 18 April 2019

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 18 April 2019 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
18 Apr 2019		 Same period 2018 Same period 2017
Rank 309 335 339
Rank change year-on-year +26 +4 -24
Contract jobs citing Apache Cassandra 732 698 597
As % of all contract IT jobs advertised in England 0.83% 0.75% 0.69%
As % of the Database & Business Intelligence category 3.73% 3.36% 3.08%
Number of daily rates quoted 527 544 464
England median daily rate £550 £525 £538
Median daily rate % change year-on-year +4.76% -2.33% +2.38%
10th Percentile £413 £381 £400
90th Percentile £700 £638 £675
UK median daily rate £550 £525 £537
% change year-on-year +4.76% -2.14% +2.19%
Number of hourly rates quoted 0 2 1
England median hourly rate - £61.25 £22.50
Median hourly rate % change year-on-year - +172.22% -55.00%
UK median hourly rate - £61.25 £22.50
% change year-on-year - +172.22% -55.00%

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 19,644 20,792 19,358
As % of all contract IT jobs advertised in England 22.39% 22.45% 22.54%
Number of daily rates quoted 13,632 14,546 13,061
England median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.56% +5.88%
10th Percentile £325 £313 £299
90th Percentile £650 £638 £613
UK median daily rate £475 £470 £438
% change year-on-year +1.06% +7.43% +2.94%
Number of hourly rates quoted 230 223 221
England median hourly rate £35.00 £32.50 £27.50
Median hourly rate % change year-on-year +7.69% +18.18% +5.77%
10th Percentile £14.49 £14.55 £9.25
90th Percentile £57.50 £55.00 £47.00
UK median hourly rate £35.00 £34.50 £27.50
% change year-on-year +1.45% +25.45% +5.77%

Apache Cassandra
Job Vacancy Trend in England

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

Job vacancy trend for Apache Cassandra in England

Apache Cassandra
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Apache Cassandra in England.

Contractor daily rate trend for Apache Cassandra in England

Apache Cassandra
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Apache Cassandra in England over the 6 months to 18 April 2019.

Contractor daily rate histogram for Apache Cassandra in England

Apache Cassandra
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Apache Cassandra in England.

Contractor 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 18 April 2019. 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 +20 515 £575 +4.55% 24
South East +47 99 £498 +24.38% 12
North of England +5 73 £500 +5.26% 5
Yorkshire -18 42 £500 -2.15% 2
South West -5 24 £575 +4.55% 2
North West +17 23 £550 +25.71% 3
Midlands -8 18 £463 +8.82% 1
West Midlands -5 11 £488 +2.63% 1
North East +1 9 £450 -18.18%
East Midlands +20 7 £420 +16.67%
East of England +3 3 £550 +22.22% 2
Apache Cassandra
UK

For the 6 months to 18 April 2019, 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.

1 456 (62.30%) Java
2 398 (54.37%) NoSQL
3 393 (53.69%) MongoDB
4 384 (52.46%) Agile Software Development
5 323 (44.13%) Amazon AWS
6 309 (42.21%) Python
7 302 (41.26%) Kafka
8 295 (40.30%) Microservices
9 271 (37.02%) Docker
10 248 (33.88%) DevOps
11 244 (33.33%) TDD
12 237 (32.38%) SQL
13 215 (29.37%) Kubernetes
14 213 (29.10%) Jenkins
15 202 (27.60%) Apache Spark
16 199 (27.19%) Hadoop
17 198 (27.05%) Big Data
18 190 (25.96%) Spring
19 173 (23.63%) Scala
20 166 (22.68%) JavaScript
21 155 (21.17%) Web Services
22 149 (20.36%) MySQL
22 149 (20.36%) Linux
23 148 (20.22%) RESTful
24 138 (18.85%) Git (software)
25 136 (18.58%) Java 8
26 133 (18.17%) REST
27 126 (17.21%) Ansible
28 122 (16.67%) Test Automation
28 122 (16.67%) Open Source

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
1 202 (27.60%) Apache Spark
2 88 (12.02%) Elasticsearch
3 68 (9.29%) Apache
4 54 (7.38%) Confluence
5 39 (5.33%) Apache Pig
6 33 (4.51%) nginx
7 27 (3.69%) MQSeries
8 26 (3.55%) OpenStack
9 25 (3.42%) Apache Solr
10 15 (2.05%) SAS
11 12 (1.64%) Cloud Foundry
11 12 (1.64%) Tomcat
12 11 (1.50%) Apache Airflow
13 10 (1.37%) Luigi
14 8 (1.09%) Oracle SOA Suite
15 6 (0.82%) Jetty
16 5 (0.68%) IBM HTTP Server
16 5 (0.68%) WebSphere
16 5 (0.68%) WebSphere Application Server
17 4 (0.55%) Drupal
Applications
1 6 (0.82%) Microsoft Excel
1 6 (0.82%) MS Visio
2 1 (0.14%) SPSS
Business Applications
1 3 (0.41%) Remedy ITSM
2 1 (0.14%) Dynamics NAV
2 1 (0.14%) Eloqua
2 1 (0.14%) Payment Gateway
2 1 (0.14%) R3 Corda
2 1 (0.14%) Unica
Cloud Services
1 323 (44.13%) Amazon AWS
2 106 (14.48%) Microsoft Azure
3 89 (12.16%) Google Cloud Platform
4 57 (7.79%) SaaS
5 41 (5.60%) Amazon S3
6 37 (5.05%) Amazon EC2
7 32 (4.37%) Serverless
8 26 (3.55%) OpenShift
9 25 (3.42%) Amazon ELB
9 25 (3.42%) Route 53
9 25 (3.42%) Virtual Private Cloud
10 21 (2.87%) Amazon Kinesis
10 21 (2.87%) Apigee
10 21 (2.87%) GitHub
11 20 (2.73%) Heroku
12 18 (2.46%) PaaS
13 14 (1.91%) Cloud Computing
14 13 (1.78%) Amazon EMR
14 13 (1.78%) IaaS
15 12 (1.64%) AWS Lambda
Communications & Networking
1 57 (7.79%) HTTP
2 34 (4.64%) SSL
3 28 (3.83%) Internet
3 28 (3.83%) TCP/IP
4 21 (2.87%) Firewall
5 20 (2.73%) DNS
6 12 (1.64%) Kerberos
7 11 (1.50%) VLAN
8 8 (1.09%) FTP
8 8 (1.09%) SMPP
9 6 (0.82%) SSH
10 5 (0.68%) BGP
10 5 (0.68%) iSCSI
10 5 (0.68%) LAN
10 5 (0.68%) MPLS
10 5 (0.68%) NAS
10 5 (0.68%) SNMP
10 5 (0.68%) VXLAN
10 5 (0.68%) WAN
11 4 (0.55%) Wireless
Database & Business Intelligence
1 398 (54.37%) NoSQL
2 393 (53.69%) MongoDB
3 199 (27.19%) Hadoop
4 198 (27.05%) Big Data
5 149 (20.36%) MySQL
6 118 (16.12%) PostgreSQL
7 97 (13.25%) HBase
8 92 (12.57%) Redis
9 88 (12.02%) Apache Hive
10 76 (10.38%) Relational Database
11 68 (9.29%) SQL Server
12 47 (6.42%) CouchDB
13 45 (6.15%) Data Warehouse
13 45 (6.15%) Riak
14 43 (5.87%) RDBMS
15 37 (5.05%) Data Lake
15 37 (5.05%) Sqoop
16 36 (4.92%) Impala
17 30 (4.10%) Cosmos DB
18 26 (3.55%) Couchbase
Development Applications
1 213 (29.10%) Jenkins
2 138 (18.85%) Git (software)
3 106 (14.48%) Maven
4 67 (9.15%) JIRA
5 59 (8.06%) GitLab
6 46 (6.28%) Bitbucket
7 40 (5.46%) Gradle
8 38 (5.19%) Pylint
8 38 (5.19%) Sourcetree
8 38 (5.19%) Subversion
9 31 (4.23%) Mockito
10 29 (3.96%) SonarQube
11 28 (3.83%) JUnit
12 22 (3.01%) Mercurial
13 20 (2.73%) gulp
13 20 (2.73%) Visual Studio Team System
14 14 (1.91%) Cucumber
14 14 (1.91%) Octopus Deploy
15 13 (1.78%) Visual Studio
16 12 (1.64%) Team Foundation Server
General
1 117 (15.98%) Banking
2 110 (15.03%) Finance
3 19 (2.60%) Legal
4 16 (2.19%) Front Office
5 15 (2.05%) Retail
6 13 (1.78%) Telecoms
7 9 (1.23%) Investment Banking
8 6 (0.82%) Games
9 5 (0.68%) Advertising
9 5 (0.68%) General Ledger
9 5 (0.68%) Marketing
10 4 (0.55%) Financial Institution
10 4 (0.55%) Multimedia
11 3 (0.41%) Law
12 2 (0.27%) Publishing
12 2 (0.27%) Retail Banking
13 1 (0.14%) Aerospace
13 1 (0.14%) Back Office
13 1 (0.14%) Retail Finance
Job Titles
1 374 (51.09%) Developer
2 175 (23.91%) Java Developer
3 102 (13.93%) DevOps Engineer
4 98 (13.39%) Data Engineer
5 86 (11.75%) Senior Developer
6 71 (9.70%) Big Data Engineer
7 62 (8.47%) Python Developer
8 55 (7.51%) Architect
8 55 (7.51%) Senior Java Developer
9 44 (6.01%) Full Stack Developer
10 34 (4.64%) Scala Developer
11 32 (4.37%) Lead Developer
12 30 (4.10%) AWS Developer
13 29 (3.96%) Lead Java Developer
14 28 (3.83%) Big Data Developer
15 24 (3.28%) React Developer
16 23 (3.14%) AWS Engineer
17 22 (3.01%) Cloud Engineer
17 22 (3.01%) Java Team Leader
17 22 (3.01%) Team Leader
Libraries, Frameworks & Software Standards
1 302 (41.26%) Kafka
2 190 (25.96%) Spring
3 155 (21.17%) Web Services
4 148 (20.22%) RESTful
5 133 (18.17%) REST
6 121 (16.53%) Spring Boot
7 98 (13.39%) React
8 84 (11.48%) HTML
8 84 (11.48%) Node.js
9 82 (11.20%) Elastic Stack
10 76 (10.38%) RabbitMQ
11 73 (9.97%) CSS
11 73 (9.97%) Hibernate
11 73 (9.97%) HTML5
12 50 (6.83%) JMS
13 49 (6.69%) Redux
14 48 (6.56%) JSON
15 47 (6.42%) AngularJS
16 40 (5.46%) .NET
16 40 (5.46%) SOAP
Miscellaneous
1 56 (7.65%) Greenfield Project
2 52 (7.10%) Analytical Skills
3 35 (4.78%) Algorithms
4 33 (4.51%) Data Structures
5 31 (4.23%) Fintech
6 23 (3.14%) Self-Motivation
7 18 (2.46%) Mobile App
8 17 (2.32%) Data Centre
9 16 (2.19%) User Experience
10 14 (1.91%) Cloud Native
11 11 (1.50%) Replication
12 9 (1.23%) Public Cloud
13 8 (1.09%) Hedge funds
14 7 (0.96%) Clustering
14 7 (0.96%) iPad
15 6 (0.82%) Tandem
16 5 (0.68%) Credit Risk
16 5 (0.68%) DataPower
16 5 (0.68%) Enterprise Software
16 5 (0.68%) Internet of Things
Operating Systems
1 149 (20.36%) Linux
2 42 (5.74%) Windows
3 39 (5.33%) Unix
4 36 (4.92%) Red Hat Enterprise Linux
5 27 (3.69%) CentOS
6 17 (2.32%) Android
6 17 (2.32%) Apple iOS
7 12 (1.64%) Windows Server
8 10 (1.37%) VMS
9 8 (1.09%) Solaris
10 7 (0.96%) Ubuntu
11 2 (0.27%) Windows Server 2008
11 2 (0.27%) Windows Server 2012
11 2 (0.27%) zOS
12 1 (0.14%) DC/OS
Processes & Methodologies
1 384 (52.46%) Agile Software Development
2 295 (40.30%) Microservices
3 248 (33.88%) DevOps
4 244 (33.33%) TDD
5 122 (16.67%) Open Source
5 122 (16.67%) Test Automation
6 121 (16.53%) BDD
6 121 (16.53%) Machine Learning
7 113 (15.44%) Continuous Integration
8 90 (12.30%) Software Engineering
9 89 (12.16%) Analytics
10 83 (11.34%) Scrum
11 68 (9.29%) MapReduce
12 65 (8.88%) Problem-Solving
13 63 (8.61%) ETL
14 62 (8.47%) Business Intelligence
15 61 (8.33%) Web Development
16 59 (8.06%) Data Science
17 58 (7.92%) Configuration Management
17 58 (7.92%) Pair Programming
Programming Languages
1 456 (62.30%) Java
2 309 (42.21%) Python
3 237 (32.38%) SQL
4 173 (23.63%) Scala
5 166 (22.68%) JavaScript
6 136 (18.58%) Java 8
7 54 (7.38%) Bash Shell
8 46 (6.28%) C#
9 38 (5.19%) C++
10 30 (4.10%) Go
11 25 (3.42%) R
12 24 (3.28%) ES6
13 22 (3.01%) Java 9
13 22 (3.01%) Perl
14 21 (2.87%) C
15 17 (2.32%) Clojure
15 17 (2.32%) Groovy
16 15 (2.05%) TypeScript
17 14 (1.91%) ES7
18 13 (1.78%) MATLAB
Qualifications
1 51 (6.97%) Degree
2 19 (2.60%) Computer Science Degree
3 11 (1.50%) Security Cleared
4 9 (1.23%) PhD
5 7 (0.96%) Master's Degree
6 6 (0.82%) BPSS Clearance
7 5 (0.68%) SC Cleared
8 4 (0.55%) TOGAF Certification
9 2 (0.27%) AWS Certification
10 1 (0.14%) CEH
10 1 (0.14%) PMI Certification
10 1 (0.14%) Sun Certification
Quality Assurance & Compliance
1 22 (3.01%) QA
2 11 (1.50%) Data Quality
3 8 (1.09%) PSD2
4 6 (0.82%) GDPR
5 5 (0.68%) SLA
6 4 (0.55%) HL7
System Software
1 271 (37.02%) Docker
2 54 (7.38%) Apache Flume
2 54 (7.38%) HDFS
3 36 (4.92%) Apache ZooKeeper
4 17 (2.32%) VMware Infrastructure
5 16 (2.19%) Xen
6 13 (1.78%) Active Directory
7 11 (1.50%) NFS
8 9 (1.23%) KVM
9 7 (0.96%) Oracle RAC
9 7 (0.96%) Virtual Machines
10 5 (0.68%) BIND 9
10 5 (0.68%) Postfix
11 1 (0.14%) Ceph
11 1 (0.14%) Squid
Systems Management
1 215 (29.37%) Kubernetes
2 126 (17.21%) Ansible
3 100 (13.66%) Puppet
4 96 (13.11%) Terraform
5 46 (6.28%) Hadoop YARN
6 45 (6.15%) Grafana
7 43 (5.87%) Opscode Chef
8 36 (4.92%) Oozie
8 36 (4.92%) Prometheus
9 29 (3.96%) Packer
10 18 (2.46%) Kibana
10 18 (2.46%) Rancher
11 15 (2.05%) Docker Swarm
12 13 (1.78%) logstash
12 13 (1.78%) Mesos
12 13 (1.78%) Salt
13 11 (1.50%) Rundeck
14 10 (1.37%) Graphite
14 10 (1.37%) SCCM
15 9 (1.23%) Ambari
Vendors
1 102 (13.93%) Oracle
2 68 (9.29%) Splunk
3 60 (8.20%) Google
4 52 (7.10%) Microsoft
5 28 (3.83%) Cloudera
6 21 (2.87%) Hortonworks
7 19 (2.60%) Tableau
8 18 (2.46%) VMware
9 16 (2.19%) Black Duck
9 16 (2.19%) hybris
9 16 (2.19%) Red Hat
10 13 (1.78%) Dynatrace
11 12 (1.64%) Databricks
11 12 (1.64%) F5
12 11 (1.50%) Talend
12 11 (1.50%) Teradata
13 10 (1.37%) Cisco
13 10 (1.37%) Citrix
13 10 (1.37%) New Relic
14 8 (1.09%) Xerox