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 September 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 Sep 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 418 421 489
Rank change year-on-year
+3 +68
Contract jobs citing Apache Cassandra 166 124 91
As % of all contract IT jobs located in England 0.32% 0.26% 0.17%
As % of the Database & Business Intelligence category 1.54% 1.14% 0.81%
Number of daily rates quoted 136 101 62
Average daily rate
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of your Daily Rate
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£525 £475 £405
Average daily rate % change year-on-year
+10.52% +17.28%
90% offered a daily rate of more than £386 £405 £326
10% offered a daily rate of more than £775 £550 £548
UK excluding London average daily rate £645 £425 £385
% change year-on-year
+51.76% +10.38%
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
10782 10902 11300
As % of all contract IT jobs located in England 20.55% 22.59% 21.06%
Number of daily rates quoted 6905 6919 6562
Average daily rate £400 £397 £388
Average daily rate % change year-on-year
+0.81% +2.38%
90% offered a daily rate of more than £273 £255 £263
10% offered a daily rate of more than £550 £550 £550
UK excluding London average daily rate £350 £340 £338
% change year-on-year
+2.94% +0.74%
Number of hourly rates quoted 147 183 311
Average hourly rate £29.75 £30.00 £32.10
Average hourly rate % change year-on-year
-0.83% -6.54%
90% offered a hourly rate of more than £13.00 £16.50 £15.23
10% offered a hourly rate of more than £51.50 £46.00 £47.50
UK excluding London average hourly rate £32.09 £30.00 £31.75
% change year-on-year
+6.96% -5.51%

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 September 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 September 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 +34 150 £525 +10.52% 31
Yorkshire - 8 £750 - 1
South West - 4 £388 - 1
South East - 3 £375 - 6
North West -11 2 £750 +150.00%
West Midlands - - - - 1
East of England - - - - 5
Apache Cassandra
UK

Apache Cassandra
Top 30 Related IT Skills in England

For the 6 months to 22 September 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.

1 200 (54.95%) NoSQL
2 196 (53.85%) Agile Software Development
3 195 (53.57%) Java
4 177 (48.63%) MongoDB
5 158 (43.41%) Hadoop
6 129 (35.44%) TDD
7 118 (32.42%) Big Data
8 113 (31.04%) Linux
9 97 (26.65%) Scala
10 85 (23.35%) Ruby
11 84 (23.08%) JavaScript
12 83 (22.80%) Python
13 82 (22.53%) Open Source
14 80 (21.98%) Scrum
15 75 (20.60%) Redis
16 67 (18.41%) DevOps
17 66 (18.13%) HTML
18 64 (17.58%) Apache Hive
19 63 (17.31%) BDD
19 63 (17.31%) MySQL
20 62 (17.03%) CSS
21 60 (16.48%) REST
22 59 (16.21%) Opscode Chef
23 58 (15.93%) Jenkins
24 57 (15.66%) Web Services
24 57 (15.66%) Spring
24 57 (15.66%) Kanban
25 53 (14.56%) HTML5
26 52 (14.29%) MapReduce
27 51 (14.01%) Elasticsearch

Apache Cassandra
Top Related IT Skills in England by Category

For the 6 months to 22 September 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 51 (14.01%) Elasticsearch
2 49 (13.46%) Node.js
3 48 (13.19%) Apache
4 37 (10.16%) Apache Pig
5 23 (6.32%) Tomcat
6 16 (4.40%) OpenStack
7 10 (2.75%) nginx
7 10 (2.75%) Apache Solr
7 10 (2.75%) Confluence
7 10 (2.75%) Cloud Foundry
8 9 (2.47%) CloudStack
9 6 (1.65%) Jetty
10 5 (1.37%) GemFire
10 5 (1.37%) SharePoint
11 4 (1.10%) Oracle Coherence
11 4 (1.10%) Apache ServiceMix
12 3 (0.82%) TIBCO EMS
13 1 (0.27%) SAS
Applications
1 2 (0.55%) MS Excel
Business Applications
1 5 (1.37%) ION MarketView
2 3 (0.82%) BusinessWorks
2 3 (0.82%) Oracle EBS
3 1 (0.27%) Summit
Cloud Services
1 42 (11.54%) Amazon AWS
2 14 (3.85%) GitHub
3 8 (2.20%) Amazon EC2
4 6 (1.65%) IaaS
5 5 (1.37%) Microsoft Azure
5 5 (1.37%) Cloud Computing
6 4 (1.10%) Heroku
7 3 (0.82%) Amazon S3
8 2 (0.55%) Google App Engine
8 2 (0.55%) PaaS
8 2 (0.55%) Amazon EMR
9 1 (0.27%) SaaS
Communications & Networking
1 18 (4.95%) Internet
2 15 (4.12%) HTTP
3 14 (3.85%) TCP/IP
4 10 (2.75%) DNS
5 4 (1.10%) LAN
5 4 (1.10%) WAN
6 2 (0.55%) AMQP
6 2 (0.55%) VoIP
7 1 (0.27%) RTP
7 1 (0.27%) SAN
Database & Business Intelligence
1 200 (54.95%) NoSQL
2 177 (48.63%) MongoDB
3 158 (43.41%) Hadoop
4 118 (32.42%) Big Data
5 75 (20.60%) Redis
6 64 (17.58%) Apache Hive
7 63 (17.31%) MySQL
8 48 (13.19%) HBase
9 46 (12.64%) Riak
10 39 (10.71%) PostgreSQL
11 32 (8.79%) Data Warehouse
12 31 (8.52%) Couchbase
13 25 (6.87%) CouchDB
14 24 (6.59%) Sqoop
15 23 (6.32%) Mahout
16 22 (6.04%) Oracle Exadata
17 20 (5.49%) MarkLogic
18 19 (5.22%) Relational Database
18 19 (5.22%) HCatalog
19 17 (4.67%) SQL Server
Development Applications
1 58 (15.93%) Jenkins
2 35 (9.62%) Hudson
3 24 (6.59%) Git (software)
4 21 (5.77%) Maven
5 17 (4.67%) Cucumber
6 15 (4.12%) JIRA
7 14 (3.85%) JUnit
8 9 (2.47%) Eclipse
9 5 (1.37%) Gradle
10 3 (0.82%) TeamCity
11 2 (0.55%) Mockito
11 2 (0.55%) Grunt
12 1 (0.27%) Mocha
12 1 (0.27%) Mercurial
12 1 (0.27%) WebDriver
12 1 (0.27%) Ant
12 1 (0.27%) Jasmine
12 1 (0.27%) EasyMock
12 1 (0.27%) Subversion
12 1 (0.27%) Selenium
General
1 25 (6.87%) Banking
2 21 (5.77%) Finance
3 11 (3.02%) Marketing
4 10 (2.75%) Investment Banking
5 9 (2.47%) Games
6 6 (1.65%) Law
7 4 (1.10%) Publishing
8 3 (0.82%) Telecoms
9 1 (0.27%) Retail
9 1 (0.27%) Pharmaceutical
9 1 (0.27%) Front Office
Job Titles
1 210 (57.69%) Developer
2 86 (23.63%) Java Developer
3 75 (20.60%) Architect
4 36 (9.89%) DevOps Engineer
5 29 (7.97%) Senior Developer
6 28 (7.69%) JavaScript Developer
7 23 (6.32%) Programmer
8 21 (5.77%) Senior DevOps Engineer
9 18 (4.95%) Big Data Developer
10 17 (4.67%) Scala Developer
10 17 (4.67%) Technical Architect
11 16 (4.40%) Ruby Developer
12 15 (4.12%) Data Architect
13 14 (3.85%) Linux DevOps Engineer
14 13 (3.57%) DevOps Architect
14 13 (3.57%) Enterprise Architect
15 12 (3.30%) Lead Architect
15 12 (3.30%) Java Architect
15 12 (3.30%) Senior Java Developer
15 12 (3.30%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 66 (18.13%) HTML
2 62 (17.03%) CSS
3 60 (16.48%) REST
4 57 (15.66%) Web Services
4 57 (15.66%) Spring
5 53 (14.56%) HTML5
6 50 (13.74%) JSON
7 49 (13.46%) CSS3
8 45 (12.36%) RabbitMQ
9 42 (11.54%) AngularJS
10 33 (9.07%) XML
11 32 (8.79%) Ruby on Rails
11 32 (8.79%) Kafka
12 25 (6.87%) KnockoutJS
13 23 (6.32%) Ember.js
14 22 (6.04%) Cascading
14 22 (6.04%) Ajax
14 22 (6.04%) Hibernate
15 21 (5.77%) SOAP
15 21 (5.77%) Backbone.js
Miscellaneous
1 82 (22.53%) Open Source
2 29 (7.97%) Computer Science
3 22 (6.04%) Visualisation
4 17 (4.67%) Wiki
5 9 (2.47%) Social Gaming
5 9 (2.47%) User Experience
5 9 (2.47%) Analytical Skills
6 6 (1.65%) Social Network
6 6 (1.65%) Statistics
7 5 (1.37%) Foreign Exchange (FX)
8 4 (1.10%) Derivative
8 4 (1.10%) Management Information System
8 4 (1.10%) Mathematics
8 4 (1.10%) Data Integration
9 3 (0.82%) Physics
9 3 (0.82%) Market Risk
9 3 (0.82%) Online Games
9 3 (0.82%) Reference Data
9 3 (0.82%) HACMP
10 2 (0.55%) N-Tier
Operating Systems
1 113 (31.04%) Linux
2 43 (11.81%) UNIX
3 29 (7.97%) CentOS
4 15 (4.12%) Debian
4 15 (4.12%) Ubuntu
5 9 (2.47%) Windows
6 3 (0.82%) AIX
6 3 (0.82%) Windows Server 2003
6 3 (0.82%) Windows Server 2008
6 3 (0.82%) Windows Server 2012
7 2 (0.55%) Apple iOS
7 2 (0.55%) Android
8 1 (0.27%) Mac OS X
8 1 (0.27%) SmartOS
Processes & Methodologies
1 196 (53.85%) Agile Software Development
2 129 (35.44%) TDD
3 80 (21.98%) Scrum
4 67 (18.41%) DevOps
5 63 (17.31%) BDD
6 57 (15.66%) Kanban
7 52 (14.29%) MapReduce
8 46 (12.64%) Continuous Integration
9 45 (12.36%) OO
10 34 (9.34%) Analytics
11 33 (9.07%) Pair Programming
12 31 (8.52%) Software Engineering
13 30 (8.24%) E-Commerce
14 26 (7.14%) Business Intelligence
15 23 (6.32%) Configuration Management
15 23 (6.32%) Mentoring
16 22 (6.04%) Web Application Development
17 21 (5.77%) Automated Testing
18 20 (5.49%) Product Management
19 19 (5.22%) ITIL
Programming Languages
1 195 (53.57%) Java
2 97 (26.65%) Scala
3 85 (23.35%) Ruby
4 84 (23.08%) JavaScript
5 83 (22.80%) Python
6 36 (9.89%) SQL
7 33 (9.07%) PHP
8 27 (7.42%) Perl
8 27 (7.42%) Groovy
9 18 (4.95%) Bash Shell
10 16 (4.40%) Clojure
11 15 (4.12%) C#
12 8 (2.20%) Shell Script
13 7 (1.92%) C
14 6 (1.65%) C++
14 6 (1.65%) Erlang
15 4 (1.10%) R
15 4 (1.10%) Golang
16 3 (0.82%) Haskell
17 2 (0.55%) PL/SQL
Qualifications
1 48 (13.19%) Degree
2 6 (1.65%) Security Cleared
3 4 (1.10%) SC Cleared
3 4 (1.10%) CCNA
3 4 (1.10%) CISSP
3 4 (1.10%) Cisco Certification
3 4 (1.10%) CISM
3 4 (1.10%) CCSA
3 4 (1.10%) JNCIA
4 1 (0.27%) PhD
Quality Assurance & Compliance
1 7 (1.92%) COBIT
2 6 (1.65%) SLA
3 4 (1.10%) QA
4 1 (0.27%) ISO 14001
4 1 (0.27%) ISO 9001
System Software
1 26 (7.14%) HDFS
2 23 (6.32%) Apache Flume
3 22 (6.04%) Apache ZooKeeper
4 18 (4.95%) vCloud
5 10 (2.75%) Oracle RAC
6 3 (0.82%) VMware Infrastructure
6 3 (0.82%) Veritas Cluster Server
6 3 (0.82%) Oracle RMAN
7 2 (0.55%) vSphere
8 1 (0.27%) Docker
Systems Management
1 59 (16.21%) Opscode Chef
2 50 (13.74%) Puppet
3 42 (11.54%) Oozie
4 41 (11.26%) Nagios
5 29 (7.97%) ZABBIX
6 19 (5.22%) Ambari
6 19 (5.22%) Ansible
7 18 (4.95%) Salt
8 15 (4.12%) Cacti
9 14 (3.85%) Zenoss
10 13 (3.57%) Kibana
10 13 (3.57%) Graylog2
11 9 (2.47%) Opsview
11 9 (2.47%) collectd
12 3 (0.82%) Data Guard
13 2 (0.55%) Vagrant
13 2 (0.55%) Chukwa
Vendors
1 42 (11.54%) Oracle
2 24 (6.59%) Netezza
3 22 (6.04%) Rackspace
4 20 (5.49%) Teradata
4 20 (5.49%) Red Hat
4 20 (5.49%) MapR
5 19 (5.22%) Hortonworks
6 15 (4.12%) Perforce
7 14 (3.85%) JBoss
8 13 (3.57%) Splunk
9 11 (3.02%) Sybase
10 10 (2.75%) VMware
10 10 (2.75%) Atlassian
10 10 (2.75%) Akamai
11 9 (2.47%) Microsoft
12 7 (1.92%) Zend
13 6 (1.65%) Google
14 5 (1.37%) ION Trading
15 4 (1.10%) Yantra
15 4 (1.10%) Vertica
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