The table below looks at the statistics for Apache Cassandra skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited Apache Cassandra over the 3 months to 30 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
30 Sep 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 418 476 513
Rank change year-on-year
+58 +37
Contract jobs citing Apache Cassandra 192 111 86
As % of all contract IT jobs located in the UK 0.33% 0.21% 0.15%
As % of the Database & Business Intelligence category 1.61% 0.94% 0.72%
Number of daily rates quoted 152 85 58
Average daily rate
Keep up to 90%
of your Daily Rate
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£525 £475 £400
Average daily rate % change year-on-year
+10.52% +18.75%
90% offered a daily rate of more than £393 £400 £324
10% offered a daily rate of more than £775 £550 £525
UK excluding London average daily rate £645 £425 £370
% change year-on-year
+51.76% +14.86%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -

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

Database & Business Intelligence Category
UK
Contract IT job ads with a match in the
Database & Business Intelligence category
11919 11788 12017
As % of all contract IT jobs located in the UK 20.54% 22.33% 20.80%
Number of daily rates quoted 7610 7312 6868
Average daily rate £400 £388 £375
Average daily rate % change year-on-year
+3.22% +3.33%
90% offered a daily rate of more than £273 £260 £260
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 175 203 345
Average hourly rate £31.50 £30.00 £30.70
Average hourly rate % change year-on-year
+5.00% -2.28%
90% offered a hourly rate of more than £13.00 £14.00 £15.63
10% offered a hourly rate of more than £67.00 £46.00 £45.00
UK excluding London average hourly rate £32.50 £31.56 £32.00
% change year-on-year
+2.99% -1.39%

Apache Cassandra
Jobs Demand Trend

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

Apache Cassandra Jobs Demand Trend in the UK

Apache Cassandra
Daily Rate Trend

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

Apache Cassandra Daily Rate Trend in the UK

Apache Cassandra
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing Apache Cassandra within the UK over the 3 months to 30 September 2014.

Apache Cassandra Daily Rate Histogram in the UK

Apache Cassandra
Top 30 Contract Locations

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 UK over the 3 months to 30 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
England +27 163 £513 +7.89% 45
London +61 148 £509 +7.10% 33
City of London +18 17 £488 +2.63% 14
Wales - 16 £438 -
Scotland -5 8 £675 +22.72% 4
Yorkshire - 8 £750 -
West Yorkshire - 8 £750 -
Glasgow - 8 £675 - 1
Leeds - 6 £750 -
South West -27 3 £388 - 1
South East - 3 £375 - 5
Hampshire - 3 £375 - 4
North West -17 2 £750 +150.00%
Cardiff - 2 £438 -
South Wales - 2 £438 -
Bristol - 1 £388 -
Hounslow - 1 £500 -
Isleworth - 1 £378 - 1
Wiltshire - - - -
Worcestershire - - - -
Hertfordshire - - - - 2
Middlesex - - - -
Shropshire - - - -
Staffordshire - - - - 1
Surrey - - - - 1
Warwickshire - - - -
Godalming - - - -
Hemel Hempstead - - - -
High Wycombe - - - -
Cambridge - - - - 3

Apache Cassandra
Top 30 Related IT Skills

For the 6 months to 30 September 2014, IT contractor jobs within the UK 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.

1 233 (57.53%) Agile Software Development
2 232 (57.28%) NoSQL
3 225 (55.56%) Java
4 209 (51.60%) MongoDB
5 167 (41.23%) Hadoop
6 163 (40.25%) TDD
7 125 (30.86%) Big Data
8 121 (29.88%) Linux
9 111 (27.41%) Scala
10 110 (27.16%) Scrum
11 105 (25.93%) Open Source
12 99 (24.44%) Ruby
13 94 (23.21%) Python
14 90 (22.22%) JavaScript
14 90 (22.22%) DevOps
15 83 (20.49%) Jenkins
16 77 (19.01%) Redis
17 74 (18.27%) Spring
18 73 (18.02%) Web Services
19 71 (17.53%) MySQL
20 70 (17.28%) Continuous Integration
20 70 (17.28%) Kanban
21 69 (17.04%) Apache Hive
21 69 (17.04%) Opscode Chef
22 68 (16.79%) BDD
23 67 (16.54%) REST
23 67 (16.54%) HTML
24 63 (15.56%) CSS
24 63 (15.56%) OO
25 62 (15.31%) AngularJS

Apache Cassandra
Top Related IT Skills by Category

For the 6 months to 30 September 2014, IT contractor jobs within the UK 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 56 (13.83%) Elasticsearch
2 54 (13.33%) Node.js
3 49 (12.10%) Apache
4 40 (9.88%) Apache Pig
5 27 (6.67%) Confluence
6 23 (5.68%) Tomcat
7 20 (4.94%) Apache Spark
8 18 (4.44%) OpenStack
9 17 (4.20%) FileNet
10 12 (2.96%) Apache Solr
11 10 (2.47%) nginx
12 9 (2.22%) CloudStack
12 9 (2.22%) Cloud Foundry
13 7 (1.73%) Jetty
14 5 (1.23%) SharePoint
14 5 (1.23%) GemFire
15 4 (0.99%) Oracle Coherence
15 4 (0.99%) Apache ServiceMix
16 3 (0.74%) TIBCO EMS
17 1 (0.25%) SAS
Applications
1 2 (0.49%) MS Excel
Business Applications
1 5 (1.23%) ION MarketView
2 3 (0.74%) BusinessWorks
2 3 (0.74%) Oracle EBS
3 1 (0.25%) Summit
Cloud Services
1 42 (10.37%) Amazon AWS
2 16 (3.95%) GitHub
3 8 (1.98%) Amazon EC2
4 7 (1.73%) IaaS
5 6 (1.48%) Cloud Computing
6 5 (1.23%) Microsoft Azure
7 4 (0.99%) Heroku
8 3 (0.74%) Amazon S3
9 2 (0.49%) Google App Engine
9 2 (0.49%) PaaS
10 1 (0.25%) SaaS
10 1 (0.25%) Amazon EMR
Communications & Networking
1 18 (4.44%) Internet
2 16 (3.95%) HTTP
3 14 (3.46%) TCP/IP
4 11 (2.72%) DNS
5 4 (0.99%) LAN
5 4 (0.99%) WAN
6 2 (0.49%) AMQP
6 2 (0.49%) VoIP
7 1 (0.25%) RTP
7 1 (0.25%) SAN
Database & Business Intelligence
1 232 (57.28%) NoSQL
2 209 (51.60%) MongoDB
3 167 (41.23%) Hadoop
4 125 (30.86%) Big Data
5 77 (19.01%) Redis
6 71 (17.53%) MySQL
7 69 (17.04%) Apache Hive
8 51 (12.59%) HBase
9 48 (11.85%) Riak
10 46 (11.36%) PostgreSQL
11 34 (8.40%) SQL Server
12 33 (8.15%) Data Warehouse
13 32 (7.90%) Couchbase
14 26 (6.42%) CouchDB
15 24 (5.93%) Sqoop
16 23 (5.68%) Oracle Exadata
16 23 (5.68%) Mahout
17 21 (5.19%) MarkLogic
18 20 (4.94%) HCatalog
19 18 (4.44%) Relational Database
Development Applications
1 83 (20.49%) Jenkins
2 54 (13.33%) Hudson
3 39 (9.63%) Maven
4 33 (8.15%) JIRA
5 26 (6.42%) Git (software)
6 20 (4.94%) Cucumber
7 19 (4.69%) Subversion
8 13 (3.21%) JUnit
9 8 (1.98%) Eclipse
10 5 (1.23%) Gradle
11 3 (0.74%) Selenium
11 3 (0.74%) TeamCity
12 2 (0.49%) Mockito
12 2 (0.49%) Mocha
12 2 (0.49%) Grunt
12 2 (0.49%) TestNG
13 1 (0.25%) Jasmine
13 1 (0.25%) Mercurial
13 1 (0.25%) WebDriver
13 1 (0.25%) EasyMock
General
1 26 (6.42%) Banking
2 23 (5.68%) Finance
3 11 (2.72%) Marketing
4 10 (2.47%) Investment Banking
4 10 (2.47%) Games
5 6 (1.48%) Law
6 4 (0.99%) Publishing
6 4 (0.99%) Telecoms
7 1 (0.25%) Retail
7 1 (0.25%) Pharmaceutical
7 1 (0.25%) Front Office
Job Titles
1 237 (58.52%) Developer
2 106 (26.17%) Java Developer
3 86 (21.23%) Architect
4 41 (10.12%) DevOps Engineer
5 30 (7.41%) JavaScript Developer
6 28 (6.91%) Senior Developer
7 25 (6.17%) Technical Architect
8 24 (5.93%) Programmer
9 23 (5.68%) Senior DevOps Engineer
10 21 (5.19%) Big Data Developer
11 18 (4.44%) Scala Developer
12 16 (3.95%) Ruby Developer
13 15 (3.70%) Data Architect
13 15 (3.70%) Linux DevOps Engineer
14 14 (3.46%) DevOps Architect
14 14 (3.46%) Enterprise Architect
15 13 (3.21%) Java Architect
15 13 (3.21%) Hadoop Developer
16 12 (2.96%) Lead Architect
17 11 (2.72%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 74 (18.27%) Spring
2 73 (18.02%) Web Services
3 67 (16.54%) HTML
3 67 (16.54%) REST
4 63 (15.56%) CSS
5 62 (15.31%) AngularJS
6 54 (13.33%) HTML5
7 53 (13.09%) XML
8 50 (12.35%) JSON
8 50 (12.35%) CSS3
9 46 (11.36%) RabbitMQ
10 40 (9.88%) Ruby on Rails
11 37 (9.14%) SOAP
11 37 (9.14%) Hibernate
12 34 (8.40%) Kafka
13 27 (6.67%) J2EE
14 26 (6.42%) KnockoutJS
14 26 (6.42%) Play Framework
15 24 (5.93%) Ember.js
15 24 (5.93%) Backbone.js
Miscellaneous
1 105 (25.93%) Open Source
2 27 (6.67%) Computer Science
3 23 (5.68%) Visualisation
4 18 (4.44%) Wiki
5 14 (3.46%) User Experience
6 12 (2.96%) Algorithms
7 9 (2.22%) Analytical Skills
7 9 (2.22%) Social Gaming
8 6 (1.48%) Statistics
9 5 (1.23%) Social Network
9 5 (1.23%) Foreign Exchange (FX)
10 4 (0.99%) Management Information System
10 4 (0.99%) Mathematics
10 4 (0.99%) Derivative
10 4 (0.99%) Data Integration
11 3 (0.74%) Market Risk
11 3 (0.74%) Online Games
11 3 (0.74%) Reference Data
11 3 (0.74%) Physics
11 3 (0.74%) HACMP
Operating Systems
1 121 (29.88%) Linux
2 46 (11.36%) UNIX
3 30 (7.41%) CentOS
4 16 (3.95%) Ubuntu
5 15 (3.70%) Debian
6 10 (2.47%) Windows
7 3 (0.74%) AIX
7 3 (0.74%) Windows Server 2003
7 3 (0.74%) Windows Server 2012
7 3 (0.74%) Windows Server 2008
8 2 (0.49%) Apple iOS
8 2 (0.49%) Android
9 1 (0.25%) Mac OS X
9 1 (0.25%) SmartOS
Processes & Methodologies
1 233 (57.53%) Agile Software Development
2 163 (40.25%) TDD
3 110 (27.16%) Scrum
4 90 (22.22%) DevOps
5 70 (17.28%) Continuous Integration
5 70 (17.28%) Kanban
6 68 (16.79%) BDD
7 63 (15.56%) OO
8 56 (13.83%) MapReduce
9 52 (12.84%) Pair Programming
10 49 (12.10%) Configuration Management
11 36 (8.89%) Analytics
12 34 (8.40%) Software Engineering
13 33 (8.15%) E-Commerce
14 29 (7.16%) Release Management
14 29 (7.16%) Mentoring
15 27 (6.67%) Product Management
15 27 (6.67%) Business Intelligence
16 24 (5.93%) OOA/OOD
17 23 (5.68%) Automated Testing
Programming Languages
1 225 (55.56%) Java
2 111 (27.41%) Scala
3 99 (24.44%) Ruby
4 94 (23.21%) Python
5 90 (22.22%) JavaScript
6 36 (8.89%) SQL
7 35 (8.64%) PHP
8 29 (7.16%) Groovy
9 28 (6.91%) Perl
10 20 (4.94%) Clojure
11 18 (4.44%) Bash Shell
12 17 (4.20%) C#
13 9 (2.22%) Shell Script
14 7 (1.73%) C
15 6 (1.48%) C++
15 6 (1.48%) Erlang
15 6 (1.48%) Golang
16 4 (0.99%) R
17 3 (0.74%) Haskell
18 2 (0.49%) PL/SQL
Qualifications
1 47 (11.60%) Degree
2 23 (5.68%) Security Cleared
3 20 (4.94%) SC Cleared
4 4 (0.99%) CCNA
4 4 (0.99%) CISSP
4 4 (0.99%) Cisco Certification
4 4 (0.99%) CISM
4 4 (0.99%) CCSA
4 4 (0.99%) JNCIA
5 1 (0.25%) PhD
Quality Assurance & Compliance
1 7 (1.73%) COBIT
2 6 (1.48%) QA
2 6 (1.48%) SLA
3 1 (0.25%) ISO 14001
3 1 (0.25%) ISO 9001
System Software
1 26 (6.42%) HDFS
2 23 (5.68%) Apache ZooKeeper
2 23 (5.68%) Apache Flume
3 19 (4.69%) vCloud
4 10 (2.47%) Oracle RAC
5 3 (0.74%) VMware Infrastructure
5 3 (0.74%) Veritas Cluster Server
5 3 (0.74%) Oracle RMAN
6 2 (0.49%) Docker
6 2 (0.49%) vSphere
7 1 (0.25%) KVM
Systems Management
1 69 (17.04%) Opscode Chef
2 58 (14.32%) Puppet
3 44 (10.86%) Nagios
3 44 (10.86%) Oozie
4 31 (7.65%) ZABBIX
5 22 (5.43%) Ansible
6 20 (4.94%) Ambari
7 19 (4.69%) Salt
8 15 (3.70%) Cacti
8 15 (3.70%) Zenoss
9 14 (3.46%) Kibana
9 14 (3.46%) Graylog2
10 10 (2.47%) Opsview
11 9 (2.22%) collectd
12 3 (0.74%) Data Guard
13 2 (0.49%) Vagrant
13 2 (0.49%) Hadoop YARN
14 1 (0.25%) Chukwa
Vendors
1 40 (9.88%) Oracle
2 26 (6.42%) Microsoft
3 25 (6.17%) Netezza
4 22 (5.43%) Rackspace
5 21 (5.19%) Teradata
5 21 (5.19%) MapR
6 20 (4.94%) Hortonworks
6 20 (4.94%) Red Hat
6 20 (4.94%) IBM
7 17 (4.20%) Twitter
8 16 (3.95%) Perforce
9 14 (3.46%) Splunk
10 13 (3.21%) JBoss
11 12 (2.96%) VMware
12 11 (2.72%) Sybase
13 10 (2.47%) Atlassian
13 10 (2.47%) Akamai
14 9 (2.22%) Zend
15 5 (1.23%) Google
15 5 (1.23%) ION Trading
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