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 27 January 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
27 Jan 2015
Same period 2014 Same period 2013
Apache Cassandra
Rank 162 179 168
Rank change year-on-year
+17 -11
Contract jobs citing Apache Cassandra 28 29 26
As % of all contract IT jobs located in the City of London 0.55% 0.48% 0.46%
As % of the Database & Business Intelligence category 2.41% 1.99% 1.90%
Number of daily rates quoted 24 24 22
Average daily rate
Keep up to 90%
of your Daily Rate
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£475 £475 £475
90% offered a daily rate of more than £318 £425 £341
10% offered a daily rate of more than £618 £593 £500
UK excluding London average daily rate £500 £375 £325
% change year-on-year
+33.33% +15.38%
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
1161 1455 1367
As % of all contract IT jobs located in the City of London 22.94% 24.33% 23.94%
Number of daily rates quoted 917 1084 1062
Average daily rate £428 £438 £425
Average daily rate % change year-on-year
-2.28% +2.94%
90% offered a daily rate of more than £300 £325 £320
10% offered a daily rate of more than £600 £575 £572
UK excluding London average daily rate £363 £340 £333
% change year-on-year
+6.61% +2.25%
Number of hourly rates quoted 1 5 5
Average hourly rate £36.00 £94.25 £35.75
Average hourly rate % change year-on-year
-61.80% +163.63%
UK excluding London average hourly rate £33.50 £27.50 £30.00
% change year-on-year
+21.81% -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 27 January 2015.

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 27 January 2015, 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 31 (67.39%) Java
2 30 (65.22%) Agile Software Development
3 25 (54.35%) MongoDB
4 24 (52.17%) Scala
5 19 (41.30%) NoSQL
6 15 (32.61%) TDD
7 14 (30.43%) SQL
7 14 (30.43%) Hadoop
7 14 (30.43%) Big Data
7 14 (30.43%) Jenkins
8 12 (26.09%) Apache Hive
8 12 (26.09%) Linux
9 11 (23.91%) Continuous Integration
9 11 (23.91%) Hudson
9 11 (23.91%) Apache Spark
10 9 (19.57%) MapReduce
10 9 (19.57%) BDD
10 9 (19.57%) Ruby
11 8 (17.39%) Groovy
11 8 (17.39%) Git (software)
11 8 (17.39%) Python
11 8 (17.39%) E-Commerce
11 8 (17.39%) JUnit
11 8 (17.39%) Scrum
11 8 (17.39%) Algorithms
12 7 (15.22%) Waterfall
12 7 (15.22%) JBehave
12 7 (15.22%) WebDriver
12 7 (15.22%) REST
12 7 (15.22%) Cucumber

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

For the 6 months to 27 January 2015, 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 11 (23.91%) Apache Spark
2 7 (15.22%) Apache
3 5 (10.87%) Elasticsearch
4 4 (8.70%) Tomcat
4 4 (8.70%) Apache Pig
5 2 (4.35%) OpenStack
5 2 (4.35%) Node.js
6 1 (2.17%) JBoss
6 1 (2.17%) Apache Solr
6 1 (2.17%) nginx
6 1 (2.17%) Mule
Cloud Services
1 4 (8.70%) Amazon AWS
2 3 (6.52%) Amazon EC2
2 3 (6.52%) Amazon EMR
Communications & Networking
1 4 (8.70%) AMQP
2 2 (4.35%) Internet
3 1 (2.17%) HTTP
Database & Business Intelligence
1 25 (54.35%) MongoDB
2 19 (41.30%) NoSQL
3 14 (30.43%) Hadoop
3 14 (30.43%) Big Data
4 12 (26.09%) Apache Hive
5 7 (15.22%) MySQL
6 5 (10.87%) Redis
6 5 (10.87%) DataStax
7 4 (8.70%) HBase
7 4 (8.70%) Couchbase
8 3 (6.52%) Relational Database
8 3 (6.52%) PostgreSQL
8 3 (6.52%) Data Warehouse
9 2 (4.35%) SQL Server
9 2 (4.35%) RDBMS
9 2 (4.35%) Riak
9 2 (4.35%) Neo4j
10 1 (2.17%) CouchDB
10 1 (2.17%) Oracle Exadata
10 1 (2.17%) MarkLogic
Development Applications
1 14 (30.43%) Jenkins
2 11 (23.91%) Hudson
3 8 (17.39%) Git (software)
3 8 (17.39%) JUnit
4 7 (15.22%) JBehave
4 7 (15.22%) WebDriver
4 7 (15.22%) Cucumber
4 7 (15.22%) Atlassian Bamboo
4 7 (15.22%) TestNG
4 7 (15.22%) Selenium
4 7 (15.22%) JIRA
5 5 (10.87%) SoapUI
6 2 (4.35%) Subversion
6 2 (4.35%) Maven
7 1 (2.17%) Grunt
7 1 (2.17%) Ant
7 1 (2.17%) Mercurial
7 1 (2.17%) TeamCity
7 1 (2.17%) EasyMock
7 1 (2.17%) jMock
General
1 3 (6.52%) Banking
2 2 (4.35%) Marketing
2 2 (4.35%) Telecoms
3 1 (2.17%) Law
3 1 (2.17%) Front Office
3 1 (2.17%) Investment Banking
Job Titles
1 23 (50.00%) Developer
2 11 (23.91%) Java Developer
3 4 (8.70%) Ruby Developer
3 4 (8.70%) Senior Developer
4 3 (6.52%) Senior Ruby on Rails Developer
4 3 (6.52%) QA Automation Engineer
4 3 (6.52%) Automation Engineer
4 3 (6.52%) Scala Developer
4 3 (6.52%) Platform Engineer
4 3 (6.52%) DevOps Engineer
4 3 (6.52%) Hadoop Developer
4 3 (6.52%) Architect
4 3 (6.52%) Software Engineer
4 3 (6.52%) Ruby on Rails Developer
5 2 (4.35%) Java/J2EE Developer
5 2 (4.35%) Tester
5 2 (4.35%) Big Data Developer
6 1 (2.17%) Head of Architecture
6 1 (2.17%) Automation Tester
6 1 (2.17%) Data Scientist
Libraries, Frameworks & Software Standards
1 7 (15.22%) REST
1 7 (15.22%) J2EE
2 6 (13.04%) Ruby on Rails
2 6 (13.04%) Web Services
2 6 (13.04%) RabbitMQ
3 5 (10.87%) CSS
3 5 (10.87%) HTML
4 4 (8.70%) RESTful
4 4 (8.70%) CSS3
4 4 (8.70%) HTML5
5 3 (6.52%) Java EE
5 3 (6.52%) Ajax
5 3 (6.52%) Spring
6 2 (4.35%) Lucene
6 2 (4.35%) JSON
6 2 (4.35%) Django
6 2 (4.35%) jQuery
6 2 (4.35%) J2SE
6 2 (4.35%) MCollective
6 2 (4.35%) Kafka
Miscellaneous
1 8 (17.39%) Algorithms
2 7 (15.22%) Computer Science
3 6 (13.04%) Open Source
4 3 (6.52%) Social Media
4 3 (6.52%) Digital Media
4 3 (6.52%) Data Structures
5 2 (4.35%) Internet of Things
5 2 (4.35%) User Experience
5 2 (4.35%) Visualisation
6 1 (2.17%) Mobile App
6 1 (2.17%) Statistics
Operating Systems
1 12 (26.09%) Linux
2 7 (15.22%) UNIX
3 2 (4.35%) CentOS
4 1 (2.17%) Apple iOS
4 1 (2.17%) Windows
4 1 (2.17%) Android
Processes & Methodologies
1 30 (65.22%) Agile Software Development
2 15 (32.61%) TDD
3 11 (23.91%) Continuous Integration
4 9 (19.57%) MapReduce
4 9 (19.57%) BDD
5 8 (17.39%) E-Commerce
5 8 (17.39%) Scrum
6 7 (15.22%) Waterfall
6 7 (15.22%) V-Model
6 7 (15.22%) Use Case
7 6 (13.04%) Software Engineering
8 5 (10.87%) Feature Driven Development
8 5 (10.87%) ATDD
8 5 (10.87%) Software Testing
9 4 (8.70%) OOP
9 4 (8.70%) ETL
9 4 (8.70%) Analytics
10 3 (6.52%) DevOps
11 2 (4.35%) Business Development
11 2 (4.35%) Unit Testing
Programming Languages
1 31 (67.39%) Java
2 24 (52.17%) Scala
3 14 (30.43%) SQL
4 9 (19.57%) Ruby
5 8 (17.39%) Groovy
5 8 (17.39%) Python
6 6 (13.04%) JavaScript
7 5 (10.87%) C#
8 4 (8.70%) R
9 3 (6.52%) Bash Shell
9 3 (6.52%) Perl
10 1 (2.17%) Objective-C
10 1 (2.17%) C++
10 1 (2.17%) VB.NET
10 1 (2.17%) XPath
Qualifications
1 7 (15.22%) ISEB
2 6 (13.04%) Degree
3 5 (10.87%) ISTQB
4 3 (6.52%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 7 (15.22%) QA
2 1 (2.17%) COBIT
System Software
1 4 (8.70%) Apache ZooKeeper
2 1 (2.17%) Apache Flume
2 1 (2.17%) HDFS
2 1 (2.17%) Oracle RAC
Systems Management
1 5 (10.87%) Puppet
2 3 (6.52%) Mesos
3 2 (4.35%) Oozie
3 2 (4.35%) Cobbler
4 1 (2.17%) Ambari
4 1 (2.17%) Opscode Chef
4 1 (2.17%) Ansible
4 1 (2.17%) Hadoop YARN
Vendors
1 5 (10.87%) Oracle
2 3 (6.52%) Hortonworks
3 2 (4.35%) Netezza
3 2 (4.35%) Sybase
3 2 (4.35%) Red Hat
3 2 (4.35%) VMware
3 2 (4.35%) Cloudera
4 1 (2.17%) Tableau
4 1 (2.17%) MapR
4 1 (2.17%) Facebook
4 1 (2.17%) Vertica
4 1 (2.17%) Infobright
4 1 (2.17%) Teradata
4 1 (2.17%) Perforce
4 1 (2.17%) TIBCO
City of London
Real Staffing
Rate: £400 - £500 per day + competitive
Posted: 4 days ago