The first table below looks at the demand 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 23 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Database & Business Intelligence category for the London region.

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
23 Jul 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 241 286 344
Rank change year-on-year
+45 +58
Contract jobs citing Apache Cassandra 177 118 66
As % of all contract IT jobs located in London 0.76% 0.49% 0.25%
As % of the Database & Business Intelligence category 3.35% 2.16% 1.24%
Number of daily rates quoted 143 95 54
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£500 £475 £413
Average daily rate % change year-on-year
+5.26% +15.15%
90% offered a daily rate of more than £400 £400 £400
10% offered a daily rate of more than £620 £559 £525
UK excluding London average daily rate £438 £475 £550
% change year-on-year
-7.89% -13.63%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Database & Business Intelligence Category
London
Contract IT job ads with a match in the
Database & Business Intelligence category
5284 5462 5339
As % of all contract IT jobs located in London 22.75% 22.52% 20.25%
Number of daily rates quoted 3614 3706 3568
Average daily rate £442 £430 £425
Average daily rate % change year-on-year
+2.79% +1.17%
90% offered a daily rate of more than £300 £300 £300
10% offered a daily rate of more than £600 £575 £550
UK excluding London average daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 32 63 53
Average hourly rate £27.50 £27.50 £26.50
Average hourly rate % change year-on-year
- +3.77%
90% offered a hourly rate of more than £14.00 £15.00 £17.60
10% offered a hourly rate of more than £125.00 £52.50 £45.00
UK excluding London average hourly rate £28.00 £30.00 £30.20
% change year-on-year
-6.66% -0.66%
Apache Cassandra
England

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 23 July 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 23 July 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 +16 25 £506 +12.50% 8
Hammersmith - - - -
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 23 July 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.

1 195 (59.45%) Java
2 188 (57.32%) NoSQL
3 180 (54.88%) MongoDB
4 135 (41.16%) Hadoop
5 117 (35.67%) Linux
6 114 (34.76%) TDD
7 109 (33.23%) Big Data
8 101 (30.79%) Agile Software Development
9 98 (29.88%) Scala
10 97 (29.57%) Ruby
11 88 (26.83%) Scrum
12 79 (24.09%) Open Source
13 78 (23.78%) MySQL
14 77 (23.48%) DevOps
15 76 (23.17%) Python
16 70 (21.34%) Opscode Chef
17 69 (21.04%) REST
18 65 (19.82%) Web Services
19 60 (18.29%) Spring
20 59 (17.99%) Puppet
21 57 (17.38%) HTML
22 55 (16.77%) JSON
23 52 (15.85%) CSS
23 52 (15.85%) UNIX
24 51 (15.55%) BDD
24 51 (15.55%) Redis
25 50 (15.24%) Apache Hive
25 50 (15.24%) JavaScript
25 50 (15.24%) Kanban
26 49 (14.94%) Continuous Integration

Apache Cassandra
Top Related IT Skills in London by Category

For the 6 months to 23 July 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 46 (14.02%) Apache
2 43 (13.11%) Elasticsearch
3 42 (12.80%) Apache Pig
4 39 (11.89%) Node.js
5 34 (10.37%) Tomcat
6 15 (4.57%) Cloud Foundry
7 14 (4.27%) Apache Solr
8 13 (3.96%) nginx
9 12 (3.66%) CloudStack
10 10 (3.05%) Confluence
10 10 (3.05%) GemFire
10 10 (3.05%) OpenStack
11 5 (1.52%) SharePoint
12 4 (1.22%) SAS
12 4 (1.22%) Apache ServiceMix
13 3 (0.91%) TIBCO EMS
14 2 (0.61%) Oracle Coherence
15 1 (0.30%) CMS
15 1 (0.30%) Documentum
15 1 (0.30%) Adobe CQ
Applications
1 3 (0.91%) SPSS
Business Applications
1 5 (1.52%) ION MarketView
2 3 (0.91%) BusinessWorks
3 1 (0.30%) Summit
Cloud Services
1 44 (13.41%) Amazon AWS
2 11 (3.35%) GitHub
3 9 (2.74%) Amazon EC2
4 7 (2.13%) Cloud Computing
5 6 (1.83%) Microsoft Azure
6 4 (1.22%) PaaS
7 3 (0.91%) Heroku
7 3 (0.91%) SaaS
7 3 (0.91%) Amazon S3
7 3 (0.91%) IaaS
7 3 (0.91%) Amazon EMR
8 2 (0.61%) CloudFront
Communications & Networking
1 24 (7.32%) HTTP
2 19 (5.79%) TCP/IP
3 11 (3.35%) Internet
4 9 (2.74%) DNS
5 5 (1.52%) SSL
6 3 (0.91%) AMQP
7 2 (0.61%) VoIP
8 1 (0.30%) Wireless
8 1 (0.30%) ZigBee
Database & Business Intelligence
1 188 (57.32%) NoSQL
2 180 (54.88%) MongoDB
3 135 (41.16%) Hadoop
4 109 (33.23%) Big Data
5 78 (23.78%) MySQL
6 51 (15.55%) Redis
7 50 (15.24%) Apache Hive
8 42 (12.80%) PostgreSQL
9 33 (10.06%) HBase
10 32 (9.76%) CouchDB
11 30 (9.15%) Riak
12 17 (5.18%) Relational Database
13 14 (4.27%) Couchbase
14 13 (3.96%) Impala
14 13 (3.96%) RDBMS
14 13 (3.96%) Data Warehouse
15 11 (3.35%) Sqoop
16 9 (2.74%) Amazon DynamoDB
17 7 (2.13%) Mahout
18 6 (1.83%) Oracle Exadata
Development Applications
1 47 (14.33%) Jenkins
2 32 (9.76%) Hudson
3 21 (6.40%) JUnit
4 18 (5.49%) Maven
5 17 (5.18%) Git (software)
6 16 (4.88%) JIRA
7 14 (4.27%) Eclipse
8 9 (2.74%) Cucumber
9 4 (1.22%) TeamCity
9 4 (1.22%) Mockito
9 4 (1.22%) Mocha
10 3 (0.91%) QUnit
10 3 (0.91%) Jasmine
10 3 (0.91%) Gradle
11 2 (0.61%) Subversion
12 1 (0.30%) Selenium
12 1 (0.30%) Talend Open Studio
12 1 (0.30%) TestNG
General
1 31 (9.45%) Finance
2 13 (3.96%) Marketing
3 9 (2.74%) Banking
4 8 (2.44%) Games
5 4 (1.22%) Investment Banking
6 3 (0.91%) Publishing
6 3 (0.91%) Pharmaceutical
6 3 (0.91%) Front Office
7 2 (0.61%) Advertising
8 1 (0.30%) Telecoms
8 1 (0.30%) Financial Institution
8 1 (0.30%) Billing
Job Titles
1 183 (55.79%) Developer
2 95 (28.96%) Java Developer
3 62 (18.90%) Architect
4 43 (13.11%) DevOps Engineer
5 36 (10.98%) Senior Developer
6 24 (7.32%) Technical Architect
7 19 (5.79%) Scala Developer
7 19 (5.79%) Big Data Developer
7 19 (5.79%) Senior DevOps Engineer
8 18 (5.49%) Senior Java Developer
9 16 (4.88%) Ruby Developer
10 14 (4.27%) Hadoop Developer
11 13 (3.96%) Enterprise Architect
11 13 (3.96%) Programmer
12 11 (3.35%) Agile Java Developer
13 9 (2.74%) JavaScript Developer
13 9 (2.74%) Lead Architect
13 9 (2.74%) Software Engineer
14 8 (2.44%) Data Architect
14 8 (2.44%) DevOps Architect
Libraries, Frameworks & Software Standards
1 69 (21.04%) REST
2 65 (19.82%) Web Services
3 60 (18.29%) Spring
4 57 (17.38%) HTML
5 55 (16.77%) JSON
6 52 (15.85%) CSS
7 45 (13.72%) HTML5
8 42 (12.80%) MapReduce
9 41 (12.50%) CSS3
10 38 (11.59%) Ruby on Rails
11 35 (10.67%) XML
12 30 (9.15%) Hibernate
13 29 (8.84%) Kafka
14 27 (8.23%) Ajax
15 26 (7.93%) Play Framework
16 25 (7.62%) RabbitMQ
17 24 (7.32%) LAMP
18 23 (7.01%) AngularJS
19 22 (6.71%) Django
19 22 (6.71%) SOAP
Miscellaneous
1 79 (24.09%) Open Source
2 30 (9.15%) Computer Science
3 14 (4.27%) Management Information System
4 8 (2.44%) Derivative
4 8 (2.44%) Social Gaming
5 7 (2.13%) Digital Media
5 7 (2.13%) Replication
5 7 (2.13%) Clustering
6 6 (1.83%) Wiki
6 6 (1.83%) Enterprise Software
7 5 (1.52%) Statistics
7 5 (1.52%) Mathematics
7 5 (1.52%) Physics
7 5 (1.52%) Market Risk
7 5 (1.52%) Fixed Income
8 4 (1.22%) Social Network
8 4 (1.22%) Credit Risk
8 4 (1.22%) Foreign Exchange (FX)
8 4 (1.22%) Data Integration
9 3 (0.91%) Visualisation
Operating Systems
1 117 (35.67%) Linux
2 52 (15.85%) UNIX
3 31 (9.45%) CentOS
4 18 (5.49%) Debian
5 8 (2.44%) Windows
6 7 (2.13%) Ubuntu
7 6 (1.83%) Red Hat Enterprise Linux
8 3 (0.91%) Apple iOS
8 3 (0.91%) Android
9 1 (0.30%) SmartOS
9 1 (0.30%) Mac OS X
Processes & Methodologies
1 114 (34.76%) TDD
2 101 (30.79%) Agile Software Development
3 88 (26.83%) Scrum
4 77 (23.48%) DevOps
5 51 (15.55%) BDD
6 50 (15.24%) Kanban
7 49 (14.94%) Continuous Integration
8 39 (11.89%) OO
9 38 (11.59%) Configuration Management
10 33 (10.06%) Software Engineering
11 27 (8.23%) Pair Programming
12 24 (7.32%) Software Architecture
12 24 (7.32%) E-Commerce
13 23 (7.01%) UML
14 22 (6.71%) Analytics
15 20 (6.10%) Product Management
16 16 (4.88%) OOP
16 16 (4.88%) MVC
17 14 (4.27%) Complex Event Processing
17 14 (4.27%) Continuous Improvement
Programming Languages
1 195 (59.45%) Java
2 98 (29.88%) Scala
3 97 (29.57%) Ruby
4 76 (23.17%) Python
5 50 (15.24%) JavaScript
6 38 (11.59%) Perl
6 38 (11.59%) SQL
7 30 (9.15%) Groovy
8 28 (8.54%) PHP
9 23 (7.01%) Bash Shell
10 17 (5.18%) Clojure
11 12 (3.66%) C#
12 11 (3.35%) R
13 9 (2.74%) Shell Script
14 8 (2.44%) C++
15 6 (1.83%) C
15 6 (1.83%) Erlang
16 4 (1.22%) PL/SQL
16 4 (1.22%) PowerShell
16 4 (1.22%) F#
Qualifications
1 38 (11.59%) Degree
2 6 (1.83%) Security Cleared
3 4 (1.22%) SC Cleared
4 3 (0.91%) PhD
5 1 (0.30%) CTC Cleared
Quality Assurance & Compliance
1 9 (2.74%) SLA
2 4 (1.22%) QA
3 1 (0.30%) ISO 9001
3 1 (0.30%) ISO 14001
System Software
1 13 (3.96%) HDFS
2 9 (2.74%) vCloud
3 8 (2.44%) Apache Flume
4 6 (1.83%) Varnish
4 6 (1.83%) Apache ZooKeeper
5 2 (0.61%) Oracle RAC
5 2 (0.61%) Platform Symphony
6 1 (0.30%) KVM
6 1 (0.30%) VMware Infrastructure
Systems Management
1 70 (21.34%) Opscode Chef
2 59 (17.99%) Puppet
3 43 (13.11%) Nagios
4 26 (7.93%) ZABBIX
5 25 (7.62%) Oozie
6 20 (6.10%) Salt
7 18 (5.49%) Cacti
8 16 (4.88%) Ansible
9 12 (3.66%) collectd
9 12 (3.66%) Opsview
10 7 (2.13%) Kibana
10 7 (2.13%) Graylog2
10 7 (2.13%) Zenoss
11 6 (1.83%) Munin
11 6 (1.83%) StatsD
12 3 (0.91%) Ambari
13 2 (0.61%) Vagrant
14 1 (0.30%) YUM
Vendors
1 38 (11.59%) Oracle
2 24 (7.32%) Rackspace
3 22 (6.71%) Red Hat
4 17 (5.18%) JBoss
5 13 (3.96%) Akamai
6 11 (3.35%) Splunk
7 10 (3.05%) Atlassian
7 10 (3.05%) VMware
8 9 (2.74%) Netezza
9 8 (2.44%) Perforce
10 6 (1.83%) Google
10 6 (1.83%) Percona
11 5 (1.52%) Vertica
11 5 (1.52%) Greenplum
11 5 (1.52%) Teradata
11 5 (1.52%) ION Trading
11 5 (1.52%) Microsoft
12 4 (1.22%) Yantra
12 4 (1.22%) DoubleClick
12 4 (1.22%) DataSynapse
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