The table below looks at the statistics for Apache Cassandra skills in IT contracts advertised for the London 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 May 2015 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 May 2015
Same period 2014 Same period 2013
Apache Cassandra
Rank 308 246 334
Rank change year-on-year
-62 +88
Contract jobs citing Apache Cassandra 95 152 62
As % of all contract IT jobs located in London 0.43% 0.67% 0.28%
As % of the Database & Business Intelligence category 1.85% 2.99% 1.30%
Number of daily rates quoted 65 123 46
Average daily rate
Keep up to 90%
of your Daily Rate
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£513 £500 £488
Average daily rate % change year-on-year
+2.50% +2.56%
90% offered a daily rate of more than £360 £431 £400
10% offered a daily rate of more than £615 £650 £575
UK excluding London average daily rate £606 £550 £400
% change year-on-year
+10.22% +37.50%
Number of hourly rates quoted 1 0 0
Average hourly rate £92.50 - -
UK excluding London average hourly rate - - -
Apache Cassandra
England

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 London region.

Database & Business Intelligence Category
London
Contract IT job ads with a match in the
Database & Business Intelligence category
5143 5091 4771
As % of all contract IT jobs located in London 23.20% 22.50% 21.70%
Number of daily rates quoted 3609 3624 3278
Average daily rate £450 £425 £450
Average daily rate % change year-on-year
+5.88% -5.55%
90% offered a daily rate of more than £310 £300 £300
10% offered a daily rate of more than £600 £575 £575
UK excluding London average daily rate £375 £350 £325
% change year-on-year
+7.14% +7.69%
Number of hourly rates quoted 40 25 56
Average hourly rate £30.00 £27.50 £22.50
Average hourly rate % change year-on-year
+9.09% +22.22%
90% offered a hourly rate of more than £17.00 £16.75 £17.30
10% offered a hourly rate of more than £55.00 £125.00 £51.00
UK excluding London average hourly rate £25.33 £34.75 £28.25
% change year-on-year
-27.10% +23.00%

Apache Cassandra
Jobs Demand Trend in London

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

Apache Cassandra Jobs Demand Trend in London

Apache Cassandra
Daily Rate Trend in London

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

Apache Cassandra Daily Rate Trend in London

Apache Cassandra
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Apache Cassandra across the London region over the 3 months to 22 May 2015.

Apache Cassandra Daily Rate Histogram in London

Apache Cassandra
Contract Job Locations in London

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 London region over the 3 months to 22 May 2015. 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
City of London +4 21 £513 +5.12% 9
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 22 May 2015, IT contractor jobs across the London 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.

1 155 (72.43%) NoSQL
2 138 (64.49%) MongoDB
3 124 (57.94%) Agile Software Development
4 110 (51.40%) Java
5 79 (36.92%) TDD
6 77 (35.98%) Hadoop
7 71 (33.18%) DevOps
8 66 (30.84%) Amazon AWS
9 65 (30.37%) Big Data
9 65 (30.37%) Python
10 64 (29.91%) Scala
11 63 (29.44%) Ruby
12 61 (28.50%) Linux
13 60 (28.04%) Scrum
14 58 (27.10%) MySQL
15 55 (25.70%) HTML
15 55 (25.70%) Web Services
16 50 (23.36%) Continuous Integration
16 50 (23.36%) Apache Hive
17 48 (22.43%) Puppet
17 48 (22.43%) REST
17 48 (22.43%) Jenkins
18 46 (21.50%) HTML5
19 45 (21.03%) JavaScript
20 41 (19.16%) CSS
21 37 (17.29%) HBase
21 37 (17.29%) Apache Spark
22 36 (16.82%) Oracle
23 35 (16.36%) BDD
24 34 (15.89%) SQL

Apache Cassandra
Top Related IT Skills in London by Category

For the 6 months to 22 May 2015, IT contractor jobs across the London 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 37 (17.29%) Apache Spark
2 33 (15.42%) Apache
3 27 (12.62%) Elasticsearch
4 23 (10.75%) OpenStack
5 21 (9.81%) Node.js
6 15 (7.01%) Apache Pig
7 12 (5.61%) Cloud Foundry
8 11 (5.14%) Jetty
8 11 (5.14%) nginx
9 9 (4.21%) Tomcat
10 5 (2.34%) Oracle Coherence
10 5 (2.34%) Apache Solr
11 4 (1.87%) Alfresco
11 4 (1.87%) CMS
12 2 (0.93%) CloudStack
12 2 (0.93%) WebLogic
12 2 (0.93%) MQSeries
13 1 (0.47%) JBoss
13 1 (0.47%) SAS
13 1 (0.47%) IIS
Applications
1 2 (0.93%) SPSS
2 1 (0.47%) Weka
Cloud Services
1 66 (30.84%) Amazon AWS
2 17 (7.94%) Microsoft Azure
3 11 (5.14%) Heroku
4 8 (3.74%) Engine Yard
5 6 (2.80%) GitHub
6 4 (1.87%) PaaS
7 3 (1.40%) Google Cloud Platform
7 3 (1.40%) Google App Engine
8 2 (0.93%) Amazon EC2
8 2 (0.93%) Cloud Computing
8 2 (0.93%) SaaS
8 2 (0.93%) Amazon EMR
Communications & Networking
1 19 (8.88%) HTTP
2 17 (7.94%) TCP/IP
3 15 (7.01%) DNS
4 14 (6.54%) Firewall
5 13 (6.07%) VLAN
6 12 (5.61%) Internet
7 4 (1.87%) AMQP
7 4 (1.87%) SSL
8 2 (0.93%) VPN
8 2 (0.93%) LAN
8 2 (0.93%) WAN
Database & Business Intelligence
1 155 (72.43%) NoSQL
2 138 (64.49%) MongoDB
3 77 (35.98%) Hadoop
4 65 (30.37%) Big Data
5 58 (27.10%) MySQL
6 50 (23.36%) Apache Hive
7 37 (17.29%) HBase
8 25 (11.68%) CouchDB
9 23 (10.75%) Relational Database
10 22 (10.28%) PostgreSQL
11 21 (9.81%) RDBMS
12 20 (9.35%) Redis
13 12 (5.61%) Data Warehouse
14 11 (5.14%) OrientDB
15 10 (4.67%) Riak
16 9 (4.21%) SQL Server
17 8 (3.74%) Sqoop
18 5 (2.34%) Couchbase
19 4 (1.87%) Mahout
19 4 (1.87%) DataStax
Development Applications
1 48 (22.43%) Jenkins
2 24 (11.21%) Git (software)
3 23 (10.75%) Subversion
4 16 (7.48%) Maven
5 13 (6.07%) JIRA
5 13 (6.07%) Cucumber
6 12 (5.61%) Hudson
6 12 (5.61%) JUnit
7 11 (5.14%) Jasmine
8 10 (4.67%) Mocha
8 10 (4.67%) WebDriver
9 6 (2.80%) Selenium
10 5 (2.34%) Atlassian Bamboo
10 5 (2.34%) Gradle
10 5 (2.34%) JBehave
10 5 (2.34%) TestNG
11 4 (1.87%) Mockito
12 3 (1.40%) SoapUI
13 2 (0.93%) Grunt
13 2 (0.93%) JMeter
General
1 22 (10.28%) Banking
2 21 (9.81%) Finance
3 6 (2.80%) Retail
3 6 (2.80%) Front Office
4 4 (1.87%) Investment Banking
4 4 (1.87%) Games
5 2 (0.93%) Telecoms
5 2 (0.93%) Back Office
6 1 (0.47%) Legal
6 1 (0.47%) Publishing
6 1 (0.47%) Retail Banking
6 1 (0.47%) Marketing
6 1 (0.47%) German Language
Job Titles
1 91 (42.52%) Developer
2 40 (18.69%) Java Developer
3 36 (16.82%) Architect
4 31 (14.49%) DevOps Engineer
5 20 (9.35%) Senior DevOps Engineer
6 19 (8.88%) Hadoop Developer
7 15 (7.01%) Technical Architect
8 13 (6.07%) Software Engineer
8 13 (6.07%) Big Data Developer
8 13 (6.07%) Linux DevOps Engineer
9 12 (5.61%) Data Architect
10 11 (5.14%) Senior Developer
11 9 (4.21%) Big Data Architect
12 6 (2.80%) Scala Developer
12 6 (2.80%) Digital Architect
12 6 (2.80%) DBA
13 5 (2.34%) Solutions Architect
13 5 (2.34%) PHP Developer
13 5 (2.34%) Senior Software Engineer
13 5 (2.34%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 55 (25.70%) HTML
1 55 (25.70%) Web Services
2 48 (22.43%) REST
3 46 (21.50%) HTML5
4 41 (19.16%) CSS
5 31 (14.49%) AngularJS
6 30 (14.02%) CSS3
7 27 (12.62%) Ruby on Rails
8 26 (12.15%) Kafka
8 26 (12.15%) RESTful
9 23 (10.75%) Ajax
10 21 (9.81%) React
11 20 (9.35%) JSON
12 19 (8.88%) Django
13 18 (8.41%) Play Framework
13 18 (8.41%) Spring
14 16 (7.48%) MCollective
15 15 (7.01%) J2EE
15 15 (7.01%) Cascading
16 14 (6.54%) Akka
Miscellaneous
1 25 (11.68%) Open Source
2 21 (9.81%) User Experience
3 15 (7.01%) Clustering
4 14 (6.54%) Device Driver
5 9 (4.21%) Computer Science
5 9 (4.21%) Data Structures
6 8 (3.74%) Internet of Things
7 7 (3.27%) Mobile App
7 7 (3.27%) Hybrid Cloud
8 6 (2.80%) Algorithms
9 4 (1.87%) Visualisation
10 3 (1.40%) Management Information System
10 3 (1.40%) Derivative
10 3 (1.40%) Analytical Skills
10 3 (1.40%) Social Media
11 2 (0.93%) Social Gaming
11 2 (0.93%) Digital Media
11 2 (0.93%) Public Cloud
11 2 (0.93%) Enterprise Software
11 2 (0.93%) Online Games
Operating Systems
1 61 (28.50%) Linux
2 32 (14.95%) CentOS
3 24 (11.21%) Ubuntu
4 16 (7.48%) UNIX
5 8 (3.74%) Windows
6 7 (3.27%) Debian
7 4 (1.87%) Android
8 3 (1.40%) Apple iOS
9 2 (0.93%) CoreOS
10 1 (0.47%) Windows Server 2008
10 1 (0.47%) Red Hat Enterprise Linux
10 1 (0.47%) Windows 7
10 1 (0.47%) Windows Server 2012
Processes & Methodologies
1 124 (57.94%) Agile Software Development
2 79 (36.92%) TDD
3 71 (33.18%) DevOps
4 60 (28.04%) Scrum
5 50 (23.36%) Continuous Integration
6 35 (16.36%) BDD
7 33 (15.42%) MapReduce
8 28 (13.08%) Kanban
9 27 (12.62%) Analytics
9 27 (12.62%) Mentoring
10 23 (10.75%) Software Engineering
11 22 (10.28%) Load Balancing
11 22 (10.28%) OO
12 20 (9.35%) OOP
13 19 (8.88%) SOA
14 18 (8.41%) Microservices
14 18 (8.41%) Release Management
14 18 (8.41%) Configuration Management
15 17 (7.94%) MVC
16 14 (6.54%) Pair Programming
Programming Languages
1 110 (51.40%) Java
2 65 (30.37%) Python
3 64 (29.91%) Scala
4 63 (29.44%) Ruby
5 45 (21.03%) JavaScript
6 34 (15.89%) SQL
7 25 (11.68%) Bash Shell
7 25 (11.68%) Perl
8 18 (8.41%) C#
9 17 (7.94%) Shell Script
10 14 (6.54%) PHP
11 13 (6.07%) Korn
12 10 (4.67%) Groovy
13 7 (3.27%) Go
14 6 (2.80%) Clojure
14 6 (2.80%) Haskell
15 3 (1.40%) C++
15 3 (1.40%) T-SQL
15 3 (1.40%) Objective-C
15 3 (1.40%) Erlang
Qualifications
1 7 (3.27%) Degree
2 5 (2.34%) ISEB
3 3 (1.40%) ISTQB
4 1 (0.47%) SC Cleared
4 1 (0.47%) Security Cleared
4 1 (0.47%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 21 (9.81%) QA
System Software
1 16 (7.48%) Apache Flume
1 16 (7.48%) HDFS
2 13 (6.07%) vCloud
3 12 (5.61%) Apache ZooKeeper
4 10 (4.67%) Docker
5 4 (1.87%) VMware Infrastructure
6 3 (1.40%) vSphere
7 2 (0.93%) Platform Symphony
7 2 (0.93%) Oracle RAC
8 1 (0.47%) Terminal Services
8 1 (0.47%) Active Directory
8 1 (0.47%) Squid
8 1 (0.47%) GridGain
8 1 (0.47%) iptables
8 1 (0.47%) XenApp
8 1 (0.47%) XenDesktop
Systems Management
1 48 (22.43%) Puppet
2 30 (14.02%) Nagios
3 28 (13.08%) Ansible
4 24 (11.21%) Opscode Chef
5 18 (8.41%) ZABBIX
6 16 (7.48%) Cobbler
7 14 (6.54%) Oozie
8 11 (5.14%) Graphite
8 11 (5.14%) Hadoop YARN
9 10 (4.67%) Salt
10 9 (4.21%) collectd
11 7 (3.27%) Kibana
11 7 (3.27%) Graylog
11 7 (3.27%) Cacti
11 7 (3.27%) Zenoss
12 4 (1.87%) HAProxy
13 3 (1.40%) Opsview
14 2 (0.93%) Ambari
15 1 (0.47%) logstash
15 1 (0.47%) Mesos
Vendors
1 36 (16.82%) Oracle
2 24 (11.21%) Red Hat
3 23 (10.75%) VMware
4 17 (7.94%) Splunk
5 11 (5.14%) Rackspace
6 7 (3.27%) Perforce
7 6 (2.80%) Microsoft
8 5 (2.34%) TIBCO
8 5 (2.34%) Zend
8 5 (2.34%) Tableau
8 5 (2.34%) Akamai
9 4 (1.87%) Hortonworks
9 4 (1.87%) Cloudera
9 4 (1.87%) SaltStack
10 3 (1.40%) Sybase
10 3 (1.40%) Informatica
10 3 (1.40%) Intel
10 3 (1.40%) Netezza
10 3 (1.40%) Google
10 3 (1.40%) Teradata
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