The first table below looks at the demand 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 22 May 2013 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 City of 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
22 May 2013
Same period 2012 Same period 2011
Apache Cassandra
Rank 184 - -
Rank change year-on-year
- 0
Contract jobs citing Apache Cassandra 21 0 0
As % of all contract IT jobs located in the City of London 0.327% - -
As % of the Database & Business Intelligence category 1.514% - -
Number of daily rates quoted 18 0 0
Average daily rate £500 - -
UK excluding London average daily rate £400 £406 £275
% change year-on-year
-1.53% +47.72%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
All Database & Business Intelligence
City of London
Contract IT job ads with a match in the
Database & Business Intelligence category
1387 1451 1794
As % of all contract IT jobs located in the City of London 21.57% 18.19% 18.56%
Number of daily rates quoted 1047 1044 1346
Average daily rate £425 £425 £475
Average daily rate % change year-on-year
- -10.52%
90% offered a daily rate of more than £313 £300 £325
10% offered a daily rate of more than £575 £550 £600
UK excluding London average daily rate £325 £333 £338
% change year-on-year
-2.25% -1.48%
Number of hourly rates quoted 16 19 14
Average hourly rate £39.51 £33.75 £25.75
Average hourly rate % change year-on-year
+17.05% +31.06%
90% offered a hourly rate of more than £12.00 £17.10 £17.25
10% offered a hourly rate of more than £51.90 £47.50 £65.00
UK excluding London average hourly rate £27.50 £27.75 £32.50
% change year-on-year
-0.90% -14.61%
Apache Cassandra
London

Apache Cassandra
Jobs Demand Trend

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.

City of London Apache Cassandra Jobs Demand Trend

Apache Cassandra
Daily Rate Trend

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.

City of London Apache Cassandra Daily Rate Trend

Apache Cassandra
Daily Rate Histogram

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 22 May 2013.

City of London Apache Cassandra Daily Rate Histogram

Apache Cassandra
Top 30 Related IT Skills

For the 6 months to 22 May 2013, 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 51 (96.23%) Hadoop
2 47 (88.68%) Big Data
3 40 (75.47%) Java
4 36 (67.92%) NoSQL
5 31 (58.49%) MapReduce
6 29 (54.72%) HBase
7 26 (49.06%) Apache Hive
8 25 (47.17%) MongoDB
8 25 (47.17%) Apache Pig
9 21 (39.62%) SQL
10 20 (37.74%) Scrum
10 20 (37.74%) TDD
11 19 (35.85%) Computer Science
12 17 (32.08%) Mathematics
12 17 (32.08%) Mahout
13 16 (30.19%) Social Network
13 16 (30.19%) Data Analysis
13 16 (30.19%) Software Engineering
14 15 (28.30%) Physics
14 15 (28.30%) Python
14 15 (28.30%) Data Mining
15 14 (26.42%) Linux
15 14 (26.42%) Analytics
16 13 (24.53%) E-Commerce
17 12 (22.64%) Machine Learning
18 11 (20.75%) OLAP
19 10 (18.87%) Apache
19 10 (18.87%) Data Modelling
19 10 (18.87%) RDBMS
20 9 (16.98%) HTTP

Apache Cassandra
Top Related IT Skills by Category

For the 6 months to 22 May 2013, 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 Development
1 31 (58.49%) MapReduce
2 6 (11.32%) ASP
3 5 (9.434%) RESTful
3 5 (9.434%) Spring
4 4 (7.547%) J2EE
4 4 (7.547%) Java EE
5 1 (1.887%) HTML5
5 1 (1.887%) Node.js
5 1 (1.887%) JSON
5 1 (1.887%) Ruby on Rails
5 1 (1.887%) CSS
5 1 (1.887%) SOAP
5 1 (1.887%) Web Services
5 1 (1.887%) XML
Application Platforms
1 25 (47.17%) Apache Pig
2 10 (18.87%) Apache
3 6 (11.32%) SAS
3 6 (11.32%) Amazon EC2
4 5 (9.434%) Windows Azure
5 2 (3.774%) RabbitMQ
5 2 (3.774%) Amazon AWS
5 2 (3.774%) Kafka
6 1 (1.887%) OpenStack
6 1 (1.887%) Google App Engine
6 1 (1.887%) ESB
6 1 (1.887%) Tomcat
Applications
1 6 (11.32%) SPSS
Business Applications
1 1 (1.887%) SAP Oil and Gas
Communications & Networking
1 9 (16.98%) HTTP
2 2 (3.774%) Internet
Database & Business Intelligence
1 51 (96.23%) Hadoop
2 47 (88.68%) Big Data
3 36 (67.92%) NoSQL
4 29 (54.72%) HBase
5 26 (49.06%) Apache Hive
6 25 (47.17%) MongoDB
7 17 (32.08%) Mahout
8 15 (28.30%) Data Mining
9 11 (20.75%) OLAP
10 10 (18.87%) RDBMS
11 6 (11.32%) Data Warehouse
11 6 (11.32%) Redis
12 5 (9.434%) DB2
13 4 (7.547%) SQL Server
13 4 (7.547%) CouchDB
14 3 (5.660%) MySQL
15 1 (1.887%) Hypertable
15 1 (1.887%) MarkLogic
15 1 (1.887%) Couchbase
15 1 (1.887%) Neo4j
Development Applications
1 4 (7.547%) JUnit
2 1 (1.887%) Mercurial
2 1 (1.887%) RSpec
2 1 (1.887%) Cucumber
2 1 (1.887%) Git (software)
2 1 (1.887%) Subversion
General
1 7 (13.21%) Finance
2 4 (7.547%) Banking
3 2 (3.774%) Telecoms
4 1 (1.887%) Music
4 1 (1.887%) Music Industry
4 1 (1.887%) Marketing
4 1 (1.887%) Manufacturing
4 1 (1.887%) Electronics
Job Titles
1 29 (54.72%) Developer
2 10 (18.87%) Hadoop Developer
3 9 (16.98%) Java Developer
4 8 (15.09%) Research Engineer
4 8 (15.09%) Architect
4 8 (15.09%) Data Architect
4 8 (15.09%) Data Scientist
5 4 (7.547%) Database Developer
5 4 (7.547%) Technical Leader
6 3 (5.660%) Research Scientist
6 3 (5.660%) Software Engineer
7 2 (3.774%) Senior Developer
7 2 (3.774%) Senior Java Developer
7 2 (3.774%) DB2 Developer
8 1 (1.887%) DevOps Engineer
8 1 (1.887%) Ruby on Rails Developer
8 1 (1.887%) Research Analyst
8 1 (1.887%) Data Warehouse Developer
8 1 (1.887%) Analyst
8 1 (1.887%) Data Analyst
Miscellaneous
1 19 (35.85%) Computer Science
2 17 (32.08%) Mathematics
3 16 (30.19%) Social Network
4 15 (28.30%) Physics
5 12 (22.64%) Machine Learning
6 9 (16.98%) Data Integration
7 7 (13.21%) Grid Computing
8 6 (11.32%) Neural Network
8 6 (11.32%) Statistics
8 6 (11.32%) Visualisation
9 4 (7.547%) Cloud Computing
9 4 (7.547%) Heroku
10 1 (1.887%) Open Source
10 1 (1.887%) Podcast
10 1 (1.887%) BBC
10 1 (1.887%) DTV
Operating Systems
1 14 (26.42%) Linux
2 7 (13.21%) UNIX
3 5 (9.434%) Windows
Processes & Methodologies
1 20 (37.74%) Scrum
1 20 (37.74%) TDD
2 16 (30.19%) Data Analysis
2 16 (30.19%) Software Engineering
3 14 (26.42%) Analytics
4 13 (24.53%) E-Commerce
5 10 (18.87%) Data Modelling
6 9 (16.98%) Business Analysis
7 8 (15.09%) Agile Software Development
8 7 (13.21%) Business Intelligence
9 6 (11.32%) ETL
9 6 (11.32%) Predictive Modelling
10 5 (9.434%) BDD
10 5 (9.434%) CRM
10 5 (9.434%) OO
11 4 (7.547%) Technical Architecture
11 4 (7.547%) Kanban
12 2 (3.774%) Unit Testing
13 1 (1.887%) Data Migration
13 1 (1.887%) Digital Marketing
Programming Languages
1 40 (75.47%) Java
2 21 (39.62%) SQL
3 15 (28.30%) Python
4 9 (16.98%) Scala
5 8 (15.09%) C++
6 6 (11.32%) R
7 5 (9.434%) Perl
8 4 (7.547%) JavaScript
8 4 (7.547%) C#
8 4 (7.547%) Ruby
9 3 (5.660%) Shell Script
10 2 (3.774%) PHP
11 1 (1.887%) Bash shell
11 1 (1.887%) Clojure
11 1 (1.887%) C
Qualifications
1 8 (15.09%) Degree
1 8 (15.09%) PhD
System Software
1 3 (5.660%) Apache Flume
2 1 (1.887%) Apache ZooKeeper
Systems Management
1 2 (3.774%) Splunk
2 1 (1.887%) Puppet
Vendors
1 6 (11.32%) Hortonworks
1 6 (11.32%) Cloudera
2 5 (9.434%) Informatica
3 4 (7.547%) Rackspace
4 2 (3.774%) Oracle
4 2 (3.774%) Jaspersoft
5 1 (1.887%) Greenplum
5 1 (1.887%) Google
5 1 (1.887%) SAP
5 1 (1.887%) EMC
City, London
Required skills and technologies; Demonstrated experience in software engineering. Diverse technological background with experience in several of the following; java, c++, ruby, python, XML based components, tomcat, spring...
Hydrogen Group
Rate: £0.00 - £450.00 per day + Negotiable
Posted: 17 May 2013
City, London
My client, one of the leading European media company are looking to recruit a Hadoop Developer to join their team to design and build a new implementation for...
E-synergy Solutions
Rate: £500 - £650 per annum
Posted: 21 May 2013
City, London
Perl) . Core DWH ETL tools, Informatica The DB2 Data Engineer would benefit from having exposure to NoSQL technologies and big data platforms such as Hadoop, HBASE or Cassandra,...
E-synergy Solutions
Rate: £300 - £350 per day
Posted: 20 May 2013
City, London
DevOps - Engineer - Puppet - Chef - Big Data - Cloud - MongoDB - Jenknins - Maven - Cloud - Agile... Cassandra, MongoDB, NoSQL and other relevant Big Data/Cloud technologies. CloudStack, OpenStack API. CI tools - Jenkins,...
Oliver Bernard
Rate: From £500 to £550 per day
Posted: 21 May 2013
City, London
Technical Stack *Java *Hadoop or Cassandra *RabbitMQ *Storm *Kafka *Agile, Scrum, TDD etc... People Source specialise in niche technology markets including Information Technology, Digital TV, Digital Marketing, Project...
People Source Consulting
Rate: £400 - £500 per day
Posted: 16 May 2013