The table below looks at the statistics for Apache Cassandra skills in IT contracts advertised for the City of 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 29 August 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
29 Aug 2014
Same period 2013 Same period 2012
Apache Cassandra
Rank 174 184 215
Rank change year-on-year
+10 +31
Contract jobs citing Apache Cassandra 25 33 7
As % of all contract IT jobs located in the City of London 0.42% 0.46% 0.090%
As % of the Database & Business Intelligence category 1.87% 1.97% 0.44%
Number of daily rates quoted 18 32 6
Average daily rate
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£463 £475 £413
Average daily rate % change year-on-year
-2.63% +15.15%
90% offered a daily rate of more than £368 £401 £344
10% offered a daily rate of more than £600 £638 £488
UK excluding London average daily rate £525 £550 £400
% change year-on-year
-4.54% +37.50%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
Apache Cassandra
London

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 City of London region.

Database & Business Intelligence Category
City of London
Contract IT job ads with a match in the
Database & Business Intelligence category
1337 1675 1590
As % of all contract IT jobs located in the City of London 22.66% 23.11% 20.35%
Number of daily rates quoted 990 1244 1175
Average daily rate £450 £450 £438
Average daily rate % change year-on-year
- +2.85%
90% offered a daily rate of more than £325 £320 £313
10% offered a daily rate of more than £575 £600 £575
UK excluding London average daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 4 12 17
Average hourly rate £44.50 £35.00 £37.50
Average hourly rate % change year-on-year
+27.14% -6.66%
90% offered a hourly rate of more than £23.20 £18.80 £15.20
10% offered a hourly rate of more than £52.20 £59.87 £51.50
UK excluding London average hourly rate £31.00 £32.50 £30.00
% change year-on-year
-4.61% +8.33%

Apache Cassandra
Jobs Demand Trend in the City of London

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

Apache Cassandra Jobs Demand Trend in the City of London

Apache Cassandra
Daily Rate Trend in the City of London

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

Apache Cassandra Daily Rate Trend in the City of London

Apache Cassandra
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Apache Cassandra across the City of London region over the 3 months to 29 August 2014.

Apache Cassandra Daily Rate Histogram in the City of London

Apache Cassandra
Top 30 Related IT Skills in the City of London

For the 6 months to 29 August 2014, IT contractor jobs across the City of 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 32 (66.67%) Java
2 27 (56.25%) MongoDB
3 26 (54.17%) NoSQL
4 18 (37.50%) Agile Software Development
4 18 (37.50%) Scala
5 17 (35.42%) Ruby
6 16 (33.33%) TDD
6 16 (33.33%) Hadoop
7 15 (31.25%) SQL
8 13 (27.08%) Big Data
9 11 (22.92%) Web Services
9 11 (22.92%) Spring
10 10 (20.83%) JavaScript
10 10 (20.83%) Hibernate
10 10 (20.83%) Scrum
10 10 (20.83%) BDD
10 10 (20.83%) Open Source
11 9 (18.75%) Python
12 8 (16.67%) HTML
12 8 (16.67%) Linux
12 8 (16.67%) E-Commerce
12 8 (16.67%) Ruby on Rails
12 8 (16.67%) Degree
12 8 (16.67%) Computer Science
12 8 (16.67%) HTML5
12 8 (16.67%) REST
13 7 (14.58%) Redis
13 7 (14.58%) Opscode Chef
13 7 (14.58%) DevOps
13 7 (14.58%) PostgreSQL

Apache Cassandra
Top Related IT Skills in the City of London by Category

For the 6 months to 29 August 2014, IT contractor jobs across the City of 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 5 (10.42%) Apache Pig
2 4 (8.33%) Node.js
2 4 (8.33%) Elasticsearch
3 3 (6.25%) Apache
3 3 (6.25%) Tomcat
4 2 (4.17%) nginx
4 2 (4.17%) CloudStack
4 2 (4.17%) Cloud Foundry
5 1 (2.08%) TIBCO EMS
Business Applications
1 1 (2.08%) BusinessWorks
Cloud Services
1 3 (6.25%) Amazon AWS
2 2 (4.17%) PaaS
3 1 (2.08%) GitHub
3 1 (2.08%) IaaS
3 1 (2.08%) Amazon EC2
3 1 (2.08%) Amazon S3
Communications & Networking
1 3 (6.25%) HTTP
1 3 (6.25%) TCP/IP
2 2 (4.17%) DNS
3 1 (2.08%) SSL
3 1 (2.08%) Internet
Database & Business Intelligence
1 27 (56.25%) MongoDB
2 26 (54.17%) NoSQL
3 16 (33.33%) Hadoop
4 13 (27.08%) Big Data
5 7 (14.58%) Redis
5 7 (14.58%) PostgreSQL
5 7 (14.58%) MySQL
6 5 (10.42%) Apache Hive
6 5 (10.42%) CouchDB
7 4 (8.33%) HBase
8 3 (6.25%) Data Mining
9 2 (4.17%) Neo4j
9 2 (4.17%) Relational Database
10 1 (2.08%) Azkaban
10 1 (2.08%) Impala
10 1 (2.08%) Vectorwise
10 1 (2.08%) Riak
10 1 (2.08%) Voldemort
10 1 (2.08%) Hazelcast
10 1 (2.08%) Amazon DynamoDB
Development Applications
1 5 (10.42%) Hudson
1 5 (10.42%) Jenkins
2 4 (8.33%) JUnit
3 3 (6.25%) Git (software)
3 3 (6.25%) JIRA
3 3 (6.25%) Maven
4 2 (4.17%) TeamCity
4 2 (4.17%) Cucumber
5 1 (2.08%) Mockito
5 1 (2.08%) Mercurial
5 1 (2.08%) EasyMock
5 1 (2.08%) jMock
5 1 (2.08%) Subversion
5 1 (2.08%) Ant
General
1 3 (6.25%) Marketing
1 3 (6.25%) Banking
1 3 (6.25%) Finance
2 1 (2.08%) Investment Banking
2 1 (2.08%) Telecoms
2 1 (2.08%) Law
Job Titles
1 32 (66.67%) Developer
2 20 (41.67%) Java Developer
3 12 (25.00%) Senior Developer
4 5 (10.42%) Ruby Developer
4 5 (10.42%) Senior Java Developer
4 5 (10.42%) Architect
5 4 (8.33%) Agile Java Developer
6 3 (6.25%) Big Data Developer
6 3 (6.25%) Senior Ruby on Rails Developer
6 3 (6.25%) DevOps Engineer
6 3 (6.25%) Scala Developer
6 3 (6.25%) Ruby on Rails Developer
6 3 (6.25%) Technical Architect
7 2 (4.17%) Software Engineer
7 2 (4.17%) Python Developer
7 2 (4.17%) Senior DevOps Engineer
8 1 (2.08%) Senior Big Data Developer
8 1 (2.08%) Senior Business Intelligence Developer
8 1 (2.08%) Senior Architect
8 1 (2.08%) Development Engineer
Libraries, Frameworks & Software Standards
1 11 (22.92%) Web Services
1 11 (22.92%) Spring
2 10 (20.83%) Hibernate
3 8 (16.67%) HTML
3 8 (16.67%) Ruby on Rails
3 8 (16.67%) HTML5
3 8 (16.67%) REST
4 6 (12.50%) CSS
4 6 (12.50%) JSON
4 6 (12.50%) CSS3
5 4 (8.33%) JMS
5 4 (8.33%) ActiveMQ
5 4 (8.33%) Ajax
5 4 (8.33%) RESTful
5 4 (8.33%) Play Framework
6 3 (6.25%) Django
6 3 (6.25%) J2EE
6 3 (6.25%) XML
7 2 (4.17%) SOAP
7 2 (4.17%) ExpressJS
Miscellaneous
1 10 (20.83%) Open Source
2 8 (16.67%) Computer Science
3 3 (6.25%) Market Risk
3 3 (6.25%) Derivative
4 2 (4.17%) Statistics
4 2 (4.17%) Mathematics
4 2 (4.17%) Physics
4 2 (4.17%) Social Network
5 1 (2.08%) Digital Media
5 1 (2.08%) Visualisation
5 1 (2.08%) Management Information System
Operating Systems
1 8 (16.67%) Linux
2 5 (10.42%) UNIX
3 2 (4.17%) Windows
4 1 (2.08%) SmartOS
Processes & Methodologies
1 18 (37.50%) Agile Software Development
2 16 (33.33%) TDD
3 10 (20.83%) Scrum
3 10 (20.83%) BDD
4 8 (16.67%) E-Commerce
5 7 (14.58%) DevOps
6 6 (12.50%) Kanban
7 5 (10.42%) MapReduce
7 5 (10.42%) Automated Testing
8 4 (8.33%) Configuration Management
8 4 (8.33%) OO
8 4 (8.33%) Pair Programming
8 4 (8.33%) Software Architecture
9 3 (6.25%) Complex Event Processing
9 3 (6.25%) Analytics
9 3 (6.25%) Product Management
9 3 (6.25%) Software Engineering
9 3 (6.25%) Business Intelligence
10 2 (4.17%) Security Management
10 2 (4.17%) Risk Management
Programming Languages
1 32 (66.67%) Java
2 18 (37.50%) Scala
3 17 (35.42%) Ruby
4 15 (31.25%) SQL
5 10 (20.83%) JavaScript
6 9 (18.75%) Python
7 3 (6.25%) Groovy
8 2 (4.17%) C
8 2 (4.17%) Perl
8 2 (4.17%) PL/SQL
8 2 (4.17%) Erlang
9 1 (2.08%) R
9 1 (2.08%) Bash Shell
9 1 (2.08%) Clojure
9 1 (2.08%) C#
9 1 (2.08%) Shell Script
Qualifications
1 8 (16.67%) Degree
Quality Assurance & Compliance
1 1 (2.08%) COBIT
System Software
1 3 (6.25%) HDFS
2 1 (2.08%) VMware Infrastructure
Systems Management
1 7 (14.58%) Opscode Chef
2 4 (8.33%) Puppet
3 3 (6.25%) Ansible
3 3 (6.25%) Oozie
4 2 (4.17%) Nagios
4 2 (4.17%) Vagrant
4 2 (4.17%) collectd
4 2 (4.17%) Opsview
Vendors
1 2 (4.17%) JBoss
1 2 (4.17%) Oracle
1 2 (4.17%) Netezza
1 2 (4.17%) Vertica
1 2 (4.17%) Akamai
2 1 (2.08%) Tableau
2 1 (2.08%) Infobright
2 1 (2.08%) Greenplum
2 1 (2.08%) DoubleClick
2 1 (2.08%) Google
2 1 (2.08%) Sybase
2 1 (2.08%) Business Objects
2 1 (2.08%) Cognos
2 1 (2.08%) TIBCO
2 1 (2.08%) MicroStrategy
2 1 (2.08%) Perforce
2 1 (2.08%) VMware
City, London
Burns Sheehan
Rate: £350 - £451 per day
Posted: 5 days ago
City of London
esynergy Solutions - UK
Rate: £350 - £400 per day
Posted: 8 days ago