The table below looks at the statistics for Apache Cassandra skills in IT contracts advertised for the England region. Included is a guide to the average contractor rates offered in IT contracts that have cited Apache Cassandra over the 3 months to 22 December 2014 with a comparison to the same period in the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

Location
3 months to
22 Dec 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 393 439 464
Rank change year-on-year
+46 +25
Contract jobs citing Apache Cassandra 195 116 76
As % of all contract IT jobs located in England 0.39% 0.25% 0.17%
As % of the Database & Business Intelligence category 1.87% 1.08% 0.77%
Number of daily rates quoted 164 85 57
Average daily rate
Keep up to 90%
of your Daily Rate
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£500 £463 £475
Average daily rate % change year-on-year
+8.10% -2.63%
90% offered a daily rate of more than £376 £400 £375
10% offered a daily rate of more than £650 £615 £525
UK excluding London average daily rate £500 £375 £350
% change year-on-year
+33.33% +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Apache Cassandra
UK

The following table is for comparison with the above and provides statistics for the entire Database & Business Intelligence category in contract jobs advertised in the England region.

Database & Business Intelligence Category
England
Contract IT job ads with a match in the
Database & Business Intelligence category
10421 10742 9892
As % of all contract IT jobs located in England 20.90% 22.79% 22.10%
Number of daily rates quoted 7034 6750 6157
Average daily rate £400 £400 £375
Average daily rate % change year-on-year
- +6.66%
90% offered a daily rate of more than £275 £265 £250
10% offered a daily rate of more than £550 £550 £550
UK excluding London average daily rate £363 £325 £335
% change year-on-year
+11.53% -2.98%
Number of hourly rates quoted 154 248 237
Average hourly rate £35.00 £28.00 £30.50
Average hourly rate % change year-on-year
+25.00% -8.19%
90% offered a hourly rate of more than £15.57 £15.45 £19.46
10% offered a hourly rate of more than £63.40 £45.25 £45.00
UK excluding London average hourly rate £35.00 £28.00 £30.00
% change year-on-year
+25.00% -6.66%

Apache Cassandra
Jobs Demand Trend in England

This chart provides a 3-month moving total of IT contractor jobs citing Apache Cassandra across the England region as a proportion of the total demand within the Database & Business Intelligence category.

Apache Cassandra Jobs Demand Trend in England

Apache Cassandra
Daily Rate Trend in England

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

Apache Cassandra Daily Rate Trend in England

Apache Cassandra
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing Apache Cassandra across the England region over the 3 months to 22 December 2014.

Apache Cassandra Daily Rate Histogram in England

Apache Cassandra
Contract Job Locations in England

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Apache Cassandra within the England region over the 3 months to 22 December 2014. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +74 164 £500 +8.10% 30
South East -12 11 £450 - 4
South West -23 8 £438 - 1
North West -10 4 £544 -
East of England -12 1 - - 5
West Midlands - - - - 2
North East - - - -
Apache Cassandra
UK

Apache Cassandra
Top 30 Related IT Skills in England

For the 6 months to 22 December 2014, IT contractor jobs across the England region citing Apache Cassandra also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Apache Cassandra.

1 252 (69.23%) NoSQL
2 218 (59.89%) MongoDB
3 184 (50.55%) Java
4 178 (48.90%) Agile Software Development
5 148 (40.66%) Linux
6 144 (39.56%) Hadoop
7 133 (36.54%) Big Data
8 127 (34.89%) Python
9 114 (31.32%) TDD
10 99 (27.20%) Puppet
10 99 (27.20%) DevOps
11 95 (26.10%) Ruby
11 95 (26.10%) Jenkins
12 89 (24.45%) MySQL
13 85 (23.35%) Scala
14 80 (21.98%) JavaScript
15 79 (21.70%) Continuous Integration
15 79 (21.70%) Open Source
16 73 (20.05%) Opscode Chef
17 70 (19.23%) Apache Hive
18 67 (18.41%) Web Services
19 64 (17.58%) Apache
20 62 (17.03%) REST
20 62 (17.03%) HBase
21 59 (16.21%) Nagios
21 59 (16.21%) BDD
22 58 (15.93%) MapReduce
23 56 (15.38%) Redis
24 55 (15.11%) Scrum
24 55 (15.11%) Amazon AWS

Apache Cassandra
Top Related IT Skills in England by Category

For the 6 months to 22 December 2014, IT contractor jobs across the England region citing Apache Cassandra also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Apache Cassandra. Up to 20 skills are shown per category.

Application Platforms
1 64 (17.58%) Apache
2 49 (13.46%) Elasticsearch
3 40 (10.99%) OpenStack
4 38 (10.44%) Node.js
4 38 (10.44%) Apache Spark
5 27 (7.42%) Apache Pig
6 18 (4.95%) Tomcat
7 14 (3.85%) nginx
8 13 (3.57%) Cloud Foundry
9 10 (2.75%) Jetty
10 9 (2.47%) Apache Solr
11 6 (1.65%) Oracle Coherence
12 3 (0.82%) Alfresco
13 2 (0.55%) JBoss
13 2 (0.55%) CMS
13 2 (0.55%) CloudStack
14 1 (0.27%) Apache ServiceMix
14 1 (0.27%) Confluence
Applications
1 2 (0.55%) MS Excel
Business Applications
1 4 (1.10%) SAP Oil and Gas
2 3 (0.82%) Oracle EBS
3 1 (0.27%) Dynamics CRM
Cloud Services
1 55 (15.11%) Amazon AWS
2 16 (4.40%) Heroku
3 13 (3.57%) GitHub
4 11 (3.02%) PaaS
4 11 (3.02%) Engine Yard
5 7 (1.92%) Amazon EC2
6 6 (1.65%) Cloud Computing
6 6 (1.65%) Google Cloud Platform
7 5 (1.37%) IaaS
7 5 (1.37%) Google App Engine
8 4 (1.10%) Amazon S3
8 4 (1.10%) Amazon EMR
9 3 (0.82%) Microsoft Azure
9 3 (0.82%) SaaS
10 1 (0.27%) SoftLayer
Communications & Networking
1 24 (6.59%) TCP/IP
2 19 (5.22%) HTTP
3 15 (4.12%) DNS
4 14 (3.85%) Internet
5 12 (3.30%) Firewall
6 10 (2.75%) VLAN
7 6 (1.65%) AMQP
8 5 (1.37%) WAN
8 5 (1.37%) LAN
9 4 (1.10%) SAN
10 3 (0.82%) NAS
10 3 (0.82%) SSL
11 2 (0.55%) VPN
11 2 (0.55%) RTP
12 1 (0.27%) Reverse Proxy
12 1 (0.27%) VoIP
Database & Business Intelligence
1 252 (69.23%) NoSQL
2 218 (59.89%) MongoDB
3 144 (39.56%) Hadoop
4 133 (36.54%) Big Data
5 89 (24.45%) MySQL
6 70 (19.23%) Apache Hive
7 62 (17.03%) HBase
8 56 (15.38%) Redis
9 53 (14.56%) Riak
10 41 (11.26%) PostgreSQL
11 33 (9.07%) CouchDB
12 32 (8.79%) Couchbase
13 31 (8.52%) Relational Database
14 28 (7.69%) Data Warehouse
15 27 (7.42%) SQL Server
16 23 (6.32%) Sqoop
16 23 (6.32%) Mahout
16 23 (6.32%) HCatalog
17 22 (6.04%) MarkLogic
17 22 (6.04%) Oracle Exadata
Development Applications
1 95 (26.10%) Jenkins
2 48 (13.19%) Hudson
3 39 (10.71%) Cucumber
4 38 (10.44%) Git (software)
5 29 (7.97%) Maven
6 19 (5.22%) Subversion
7 17 (4.67%) JIRA
8 15 (4.12%) WebDriver
9 13 (3.57%) JUnit
10 11 (3.02%) Mocha
11 10 (2.75%) Jasmine
12 8 (2.20%) Selenium
13 5 (1.37%) Atlassian Bamboo
13 5 (1.37%) TestNG
13 5 (1.37%) Gradle
13 5 (1.37%) SoapUI
13 5 (1.37%) JBehave
14 4 (1.10%) Eclipse
15 3 (0.82%) JMeter
15 3 (0.82%) CruiseControl
General
1 40 (10.99%) Banking
2 22 (6.04%) Finance
3 12 (3.30%) Games
3 12 (3.30%) Investment Banking
4 11 (3.02%) Telecoms
5 9 (2.47%) Marketing
6 7 (1.92%) Front Office
7 6 (1.65%) Law
8 4 (1.10%) Manufacturing
8 4 (1.10%) Electronics
9 3 (0.82%) Publishing
9 3 (0.82%) Retail
10 1 (0.27%) German Language
Job Titles
1 166 (45.60%) Developer
2 83 (22.80%) Architect
3 71 (19.51%) Java Developer
4 52 (14.29%) DevOps Engineer
5 37 (10.16%) Senior DevOps Engineer
6 28 (7.69%) Linux DevOps Engineer
6 28 (7.69%) Big Data Developer
7 18 (4.95%) DevOps Architect
7 18 (4.95%) Data Architect
7 18 (4.95%) Senior Developer
8 17 (4.67%) Technical Architect
8 17 (4.67%) JavaScript Developer
9 16 (4.40%) Hadoop Developer
10 15 (4.12%) Ruby Developer
11 14 (3.85%) Enterprise Architect
12 11 (3.02%) Lead Architect
13 10 (2.75%) Big Data Architect
14 9 (2.47%) Scala Developer
14 9 (2.47%) Java Architect
15 8 (2.20%) Programmer
Libraries, Frameworks & Software Standards
1 67 (18.41%) Web Services
2 62 (17.03%) REST
3 51 (14.01%) HTML
4 46 (12.64%) CSS
5 43 (11.81%) HTML5
6 39 (10.71%) JSON
7 35 (9.62%) CSS3
7 35 (9.62%) Backbone.js
7 35 (9.62%) AngularJS
8 32 (8.79%) Ruby on Rails
9 28 (7.69%) Spring
10 25 (6.87%) XML
11 21 (5.77%) Ajax
12 20 (5.49%) RabbitMQ
13 19 (5.22%) Kafka
13 19 (5.22%) LAMP
13 19 (5.22%) J2EE
14 16 (4.40%) Django
14 16 (4.40%) Cascading
15 15 (4.12%) Play Framework
Miscellaneous
1 79 (21.70%) Open Source
2 29 (7.97%) Computer Science
3 25 (6.87%) Visualisation
4 15 (4.12%) User Experience
4 15 (4.12%) Clustering
5 14 (3.85%) Algorithms
6 12 (3.30%) Device Driver
7 10 (2.75%) Foreign Exchange (FX)
8 9 (2.47%) Derivative
8 9 (2.47%) Social Gaming
9 6 (1.65%) Digital Media
9 6 (1.65%) Data Structures
10 4 (1.10%) Social Media
10 4 (1.10%) Market Risk
10 4 (1.10%) Statistics
10 4 (1.10%) DTV
11 3 (0.82%) HACMP
11 3 (0.82%) Mathematics
11 3 (0.82%) Social Network
11 3 (0.82%) Online Games
Operating Systems
1 148 (40.66%) Linux
2 54 (14.84%) CentOS
3 35 (9.62%) UNIX
3 35 (9.62%) Ubuntu
4 20 (5.49%) Debian
5 17 (4.67%) Windows
6 4 (1.10%) Windows Server 2008
6 4 (1.10%) Windows Server 2012
7 3 (0.82%) AIX
7 3 (0.82%) Windows Server 2003
8 2 (0.55%) Android
8 2 (0.55%) CoreOS
8 2 (0.55%) Apple iOS
9 1 (0.27%) Windows 7
9 1 (0.27%) SmartOS
9 1 (0.27%) Mac OS X
Processes & Methodologies
1 178 (48.90%) Agile Software Development
2 114 (31.32%) TDD
3 99 (27.20%) DevOps
4 79 (21.70%) Continuous Integration
5 59 (16.21%) BDD
6 58 (15.93%) MapReduce
7 55 (15.11%) Scrum
8 52 (14.29%) OO
9 44 (12.09%) Kanban
9 44 (12.09%) Software Engineering
10 39 (10.71%) Analytics
11 30 (8.24%) Load Balancing
11 30 (8.24%) Pair Programming
12 28 (7.69%) Release Management
13 24 (6.59%) Mentoring
14 23 (6.32%) Service Delivery
14 23 (6.32%) Business Intelligence
15 22 (6.04%) Configuration Management
16 18 (4.95%) E-Commerce
17 15 (4.12%) Performance Tuning
Programming Languages
1 184 (50.55%) Java
2 127 (34.89%) Python
3 95 (26.10%) Ruby
4 85 (23.35%) Scala
5 80 (21.98%) JavaScript
6 47 (12.91%) PHP
7 43 (11.81%) Bash Shell
8 42 (11.54%) SQL
8 42 (11.54%) Perl
9 24 (6.59%) C#
10 20 (5.49%) Groovy
11 16 (4.40%) Clojure
11 16 (4.40%) Shell Script
12 10 (2.75%) Korn
12 10 (2.75%) Golang
13 7 (1.92%) R
14 6 (1.65%) C++
14 6 (1.65%) C
14 6 (1.65%) Haskell
15 5 (1.37%) Erlang
Qualifications
1 34 (9.34%) Degree
2 7 (1.92%) Security Cleared
3 5 (1.37%) ISEB
4 4 (1.10%) CISSP
4 4 (1.10%) Cisco Certification
4 4 (1.10%) CISM
4 4 (1.10%) CCSA
4 4 (1.10%) JNCIA
4 4 (1.10%) SC Cleared
4 4 (1.10%) CCNA
5 3 (0.82%) ISTQB
5 3 (0.82%) ISTQB Foundation Certification
6 1 (0.27%) PhD
6 1 (0.27%) DV Cleared
Quality Assurance & Compliance
1 28 (7.69%) QA
2 7 (1.92%) COBIT
3 3 (0.82%) SLA
System Software
1 34 (9.34%) HDFS
2 29 (7.97%) vCloud
3 28 (7.69%) Apache ZooKeeper
4 22 (6.04%) Apache Flume
5 11 (3.02%) Oracle RAC
6 9 (2.47%) Docker
7 7 (1.92%) VMware Infrastructure
8 5 (1.37%) vSphere
9 3 (0.82%) Oracle RMAN
9 3 (0.82%) Veritas Cluster Server
10 1 (0.27%) Active Directory
10 1 (0.27%) Terminal Services
10 1 (0.27%) XenApp
10 1 (0.27%) XenDesktop
10 1 (0.27%) KVM
Systems Management
1 99 (27.20%) Puppet
2 73 (20.05%) Opscode Chef
3 59 (16.21%) Nagios
4 43 (11.81%) ZABBIX
5 31 (8.52%) Ansible
6 30 (8.24%) Oozie
7 25 (6.87%) Salt
8 22 (6.04%) Ambari
8 22 (6.04%) Graphite
9 20 (5.49%) Cacti
9 20 (5.49%) Zenoss
9 20 (5.49%) Kibana
10 19 (5.22%) Graylog2
11 12 (3.30%) Cobbler
11 12 (3.30%) Hadoop YARN
12 11 (3.02%) collectd
13 3 (0.82%) Data Guard
13 3 (0.82%) Opsview
13 3 (0.82%) Mesos
14 2 (0.55%) HAProxy
Vendors
1 46 (12.64%) Oracle
2 40 (10.99%) Red Hat
3 27 (7.42%) Rackspace
4 25 (6.87%) Hortonworks
5 24 (6.59%) MapR
5 24 (6.59%) Netezza
6 23 (6.32%) VMware
7 22 (6.04%) Teradata
8 21 (5.77%) Perforce
8 21 (5.77%) Splunk
9 14 (3.85%) Zend
10 13 (3.57%) Sybase
11 11 (3.02%) Microsoft
12 5 (1.37%) Intel
12 5 (1.37%) SAP
12 5 (1.37%) Cisco
12 5 (1.37%) Google
13 4 (1.10%) IBM
14 3 (0.82%) Cloudera
14 3 (0.82%) Akamai
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