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 18 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
18 Dec 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 241 324 316
Rank change year-on-year
+83 -8
Contract jobs citing Apache Cassandra 165 101 68
As % of all contract IT jobs located in London 0.71% 0.42% 0.32%
As % of the Database & Business Intelligence category 3.19% 1.78% 1.40%
Number of daily rates quoted 146 81 54
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£500 £463 £463
Average daily rate % change year-on-year
+8.10% -
90% offered a daily rate of more than £378 £400 £383
10% offered a daily rate of more than £625 £600 £525
UK excluding London average daily rate £475 £375 £350
% change year-on-year
+26.66% +7.14%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
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
5169 5671 4854
As % of all contract IT jobs located in London 22.34% 23.30% 22.67%
Number of daily rates quoted 3787 3984 3395
Average daily rate £425 £433 £425
Average daily rate % change year-on-year
-1.73% +1.76%
90% offered a daily rate of more than £300 £313 £275
10% offered a daily rate of more than £600 £575 £580
UK excluding London average daily rate £363 £325 £330
% change year-on-year
+11.53% -1.51%
Number of hourly rates quoted 24 34 48
Average hourly rate £30.00 £27.87 £30.25
Average hourly rate % change year-on-year
+7.64% -7.86%
90% offered a hourly rate of more than £13.70 £18.00 £18.53
10% offered a hourly rate of more than £51.00 £57.50 £48.90
UK excluding London average hourly rate £35.00 £27.50 £30.50
% change year-on-year
+27.27% -9.83%

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 18 December 2014.

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 18 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
City of London +10 25 £475 +6.74% 4
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 18 December 2014, 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.

1 223 (69.47%) NoSQL
2 189 (58.88%) MongoDB
3 169 (52.65%) Java
4 162 (50.47%) Agile Software Development
5 143 (44.55%) Linux
6 129 (40.19%) Hadoop
7 121 (37.69%) Python
8 120 (37.38%) Big Data
9 108 (33.64%) TDD
10 95 (29.60%) Puppet
10 95 (29.60%) DevOps
11 94 (29.28%) Jenkins
12 87 (27.10%) Ruby
13 76 (23.68%) Continuous Integration
13 76 (23.68%) JavaScript
14 75 (23.36%) Scala
15 74 (23.05%) Open Source
16 71 (22.12%) Opscode Chef
17 67 (20.87%) Apache Hive
18 65 (20.25%) Web Services
19 62 (19.31%) Apache
20 61 (19.00%) BDD
21 60 (18.69%) MySQL
21 60 (18.69%) Nagios
22 59 (18.38%) HBase
23 54 (16.82%) MapReduce
23 54 (16.82%) Redis
23 54 (16.82%) CentOS
24 53 (16.51%) Scrum
24 53 (16.51%) Riak

Apache Cassandra
Top Related IT Skills in London by Category

For the 6 months to 18 December 2014, 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 62 (19.31%) Apache
2 47 (14.64%) Elasticsearch
3 38 (11.84%) Node.js
4 37 (11.53%) Apache Spark
5 36 (11.21%) OpenStack
6 25 (7.79%) Apache Pig
7 18 (5.61%) Tomcat
8 15 (4.67%) nginx
9 14 (4.36%) Cloud Foundry
10 10 (3.12%) Jetty
11 8 (2.49%) Apache Solr
12 6 (1.87%) Oracle Coherence
13 3 (0.93%) CloudStack
13 3 (0.93%) Alfresco
14 2 (0.62%) JBoss
14 2 (0.62%) CMS
15 1 (0.31%) Apache ServiceMix
15 1 (0.31%) Confluence
Cloud Services
1 53 (16.51%) Amazon AWS
2 16 (4.98%) Heroku
3 13 (4.05%) GitHub
4 11 (3.43%) PaaS
4 11 (3.43%) Engine Yard
5 8 (2.49%) Amazon EC2
6 6 (1.87%) Google Cloud Platform
6 6 (1.87%) IaaS
7 5 (1.56%) Google App Engine
8 4 (1.25%) Cloud Computing
8 4 (1.25%) Amazon S3
8 4 (1.25%) Amazon EMR
9 3 (0.93%) Microsoft Azure
10 1 (0.31%) SoftLayer
10 1 (0.31%) SaaS
Communications & Networking
1 24 (7.48%) TCP/IP
2 18 (5.61%) HTTP
3 16 (4.98%) DNS
4 14 (4.36%) Internet
5 12 (3.74%) Firewall
6 10 (3.12%) VLAN
7 6 (1.87%) AMQP
8 5 (1.56%) LAN
8 5 (1.56%) WAN
9 3 (0.93%) SSL
10 2 (0.62%) VPN
10 2 (0.62%) RTP
11 1 (0.31%) Reverse Proxy
11 1 (0.31%) SAN
11 1 (0.31%) VoIP
Database & Business Intelligence
1 223 (69.47%) NoSQL
2 189 (58.88%) MongoDB
3 129 (40.19%) Hadoop
4 120 (37.38%) Big Data
5 67 (20.87%) Apache Hive
6 60 (18.69%) MySQL
7 59 (18.38%) HBase
8 54 (16.82%) Redis
9 53 (16.51%) Riak
10 30 (9.35%) Couchbase
11 27 (8.41%) Data Warehouse
11 27 (8.41%) CouchDB
12 26 (8.10%) Relational Database
13 23 (7.17%) HCatalog
13 23 (7.17%) Sqoop
13 23 (7.17%) Mahout
14 22 (6.85%) MarkLogic
14 22 (6.85%) Oracle Exadata
15 20 (6.23%) SQL Server
16 19 (5.92%) RDBMS
Development Applications
1 94 (29.28%) Jenkins
2 48 (14.95%) Hudson
3 39 (12.15%) Cucumber
4 37 (11.53%) Git (software)
5 28 (8.72%) Maven
6 18 (5.61%) Subversion
7 15 (4.67%) WebDriver
7 15 (4.67%) JIRA
8 13 (4.05%) JUnit
9 11 (3.43%) Mocha
10 10 (3.12%) Jasmine
11 8 (2.49%) Selenium
12 5 (1.56%) JBehave
12 5 (1.56%) SoapUI
12 5 (1.56%) Gradle
12 5 (1.56%) Atlassian Bamboo
12 5 (1.56%) TestNG
13 4 (1.25%) Eclipse
14 3 (0.93%) CruiseControl
14 3 (0.93%) JMeter
General
1 38 (11.84%) Banking
2 16 (4.98%) Finance
3 12 (3.74%) Games
3 12 (3.74%) Investment Banking
4 7 (2.18%) Front Office
5 6 (1.87%) Telecoms
6 4 (1.25%) Marketing
7 3 (0.93%) Publishing
8 2 (0.62%) Retail
9 1 (0.31%) Law
Job Titles
1 161 (50.16%) Developer
2 70 (21.81%) Java Developer
3 63 (19.63%) Architect
4 51 (15.89%) DevOps Engineer
5 37 (11.53%) Senior DevOps Engineer
6 26 (8.10%) Linux DevOps Engineer
7 24 (7.48%) Big Data Developer
8 19 (5.92%) Senior Developer
9 18 (5.61%) DevOps Architect
10 16 (4.98%) Data Architect
10 16 (4.98%) JavaScript Developer
11 15 (4.67%) Ruby Developer
12 14 (4.36%) Enterprise Architect
12 14 (4.36%) Hadoop Developer
13 10 (3.12%) Big Data Architect
14 9 (2.80%) Scala Developer
15 8 (2.49%) Programmer
15 8 (2.49%) Lead Architect
16 7 (2.18%) Technical Architect
17 6 (1.87%) Software Developer
Libraries, Frameworks & Software Standards
1 65 (20.25%) Web Services
2 53 (16.51%) REST
3 42 (13.08%) HTML
4 38 (11.84%) CSS
5 35 (10.90%) Backbone.js
6 34 (10.59%) AngularJS
6 34 (10.59%) HTML5
7 32 (9.97%) JSON
8 30 (9.35%) Spring
9 26 (8.10%) CSS3
10 25 (7.79%) Ruby on Rails
11 24 (7.48%) XML
12 20 (6.23%) RabbitMQ
13 19 (5.92%) Kafka
13 19 (5.92%) LAMP
14 15 (4.67%) Cascading
14 15 (4.67%) Akka
14 15 (4.67%) J2EE
15 14 (4.36%) Symfony
15 14 (4.36%) Sass
Miscellaneous
1 74 (23.05%) Open Source
2 29 (9.03%) Computer Science
3 25 (7.79%) Visualisation
4 15 (4.67%) Clustering
5 14 (4.36%) User Experience
6 13 (4.05%) Algorithms
7 12 (3.74%) Device Driver
8 10 (3.12%) Foreign Exchange (FX)
9 9 (2.80%) Social Gaming
9 9 (2.80%) Derivative
10 6 (1.87%) Digital Media
11 4 (1.25%) Statistics
11 4 (1.25%) Market Risk
11 4 (1.25%) Social Media
12 3 (0.93%) Mobile App
12 3 (0.93%) Enterprise Software
12 3 (0.93%) Data Structures
12 3 (0.93%) Online Games
12 3 (0.93%) Mathematics
12 3 (0.93%) Social Network
Operating Systems
1 143 (44.55%) Linux
2 54 (16.82%) CentOS
3 35 (10.90%) Ubuntu
4 29 (9.03%) UNIX
5 20 (6.23%) Debian
6 10 (3.12%) Windows
7 2 (0.62%) Android
7 2 (0.62%) Apple iOS
8 1 (0.31%) SmartOS
8 1 (0.31%) Windows 7
8 1 (0.31%) Windows Server 2012
8 1 (0.31%) Windows Server 2008
8 1 (0.31%) Mac OS X
Processes & Methodologies
1 162 (50.47%) Agile Software Development
2 108 (33.64%) TDD
3 95 (29.60%) DevOps
4 76 (23.68%) Continuous Integration
5 61 (19.00%) BDD
6 54 (16.82%) MapReduce
7 53 (16.51%) Scrum
8 47 (14.64%) OO
9 42 (13.08%) Kanban
10 39 (12.15%) Software Engineering
11 36 (11.21%) Analytics
12 31 (9.66%) Pair Programming
13 30 (9.35%) Load Balancing
14 28 (8.72%) Release Management
15 22 (6.85%) Service Delivery
16 21 (6.54%) Mentoring
17 17 (5.30%) Business Intelligence
18 16 (4.98%) E-Commerce
19 15 (4.67%) Performance Tuning
20 14 (4.36%) Configuration Management
Programming Languages
1 169 (52.65%) Java
2 121 (37.69%) Python
3 87 (27.10%) Ruby
4 76 (23.68%) JavaScript
5 75 (23.36%) Scala
6 43 (13.40%) PHP
7 38 (11.84%) Perl
8 37 (11.53%) Bash Shell
9 36 (11.21%) SQL
10 21 (6.54%) Groovy
10 21 (6.54%) C#
11 16 (4.98%) Shell Script
11 16 (4.98%) Clojure
12 10 (3.12%) Korn
12 10 (3.12%) Golang
13 7 (2.18%) R
14 6 (1.87%) Haskell
15 5 (1.56%) Erlang
16 4 (1.25%) C++
17 3 (0.93%) XPath
Qualifications
1 28 (8.72%) Degree
2 5 (1.56%) ISEB
3 4 (1.25%) CISM
3 4 (1.25%) CCNA
3 4 (1.25%) CISSP
3 4 (1.25%) Cisco Certification
3 4 (1.25%) JNCIA
3 4 (1.25%) CCSA
4 3 (0.93%) ISTQB Foundation Certification
4 3 (0.93%) ISTQB
5 1 (0.31%) Security Cleared
5 1 (0.31%) PhD
Quality Assurance & Compliance
1 28 (8.72%) QA
2 3 (0.93%) SLA
3 1 (0.31%) COBIT
System Software
1 33 (10.28%) HDFS
2 29 (9.03%) vCloud
3 28 (8.72%) Apache ZooKeeper
4 23 (7.17%) Apache Flume
5 8 (2.49%) Oracle RAC
6 7 (2.18%) Docker
6 7 (2.18%) VMware Infrastructure
7 5 (1.56%) vSphere
8 1 (0.31%) KVM
8 1 (0.31%) XenApp
8 1 (0.31%) XenDesktop
8 1 (0.31%) Active Directory
8 1 (0.31%) Terminal Services
Systems Management
1 95 (29.60%) Puppet
2 71 (22.12%) Opscode Chef
3 60 (18.69%) Nagios
4 43 (13.40%) ZABBIX
5 31 (9.66%) Oozie
6 30 (9.35%) Ansible
7 24 (7.48%) Salt
8 23 (7.17%) Graphite
9 22 (6.85%) Ambari
10 20 (6.23%) Cacti
10 20 (6.23%) Zenoss
10 20 (6.23%) Kibana
11 19 (5.92%) Graylog2
12 12 (3.74%) collectd
12 12 (3.74%) Cobbler
13 11 (3.43%) Hadoop YARN
14 4 (1.25%) Opsview
15 3 (0.93%) Mesos
16 2 (0.62%) HAProxy
17 1 (0.31%) logstash
Vendors
1 36 (11.21%) Oracle
2 33 (10.28%) Red Hat
3 27 (8.41%) Rackspace
4 25 (7.79%) Hortonworks
5 24 (7.48%) Netezza
6 23 (7.17%) MapR
6 23 (7.17%) VMware
7 22 (6.85%) Teradata
8 21 (6.54%) Splunk
8 21 (6.54%) Perforce
9 14 (4.36%) Zend
10 13 (4.05%) Sybase
11 5 (1.56%) Google
11 5 (1.56%) Intel
11 5 (1.56%) Cisco
12 4 (1.25%) Akamai
13 3 (0.93%) DigitalOcean
13 3 (0.93%) Cloudera
13 3 (0.93%) Microsoft
14 2 (0.62%) Tableau
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