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 2 September 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
2 Sep 2015
Same period 2014 Same period 2013
Apache Cassandra
Rank 285 264 300
Rank change year-on-year
-21 +36
Contract jobs citing Apache Cassandra 151 165 125
As % of all contract IT jobs located in London 0.63% 0.68% 0.49%
As % of the Database & Business Intelligence category 2.66% 2.95% 2.14%
Number of daily rates quoted 118 134 111
Average daily rate
Keep up to 90%
of your Daily Rate
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£500 £519 £475
Average daily rate % change year-on-year
-3.61% +9.21%
90% offered a daily rate of more than £425 £400 £425
10% offered a daily rate of more than £600 £775 £550
UK excluding London average daily rate £544 £525 £550
% change year-on-year
+3.57% -4.54%
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
5680 5600 5839
As % of all contract IT jobs located in London 23.60% 23.03% 23.05%
Number of daily rates quoted 4031 3762 4034
Average daily rate £450 £445 £434
Average daily rate % change year-on-year
+1.12% +2.53%
90% offered a daily rate of more than £325 £300 £301
10% offered a daily rate of more than £600 £600 £575
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 37 41 38
Average hourly rate £27.78 £28.25 £27.00
Average hourly rate % change year-on-year
-1.66% +4.62%
90% offered a hourly rate of more than £15.00 £15.00 £16.98
10% offered a hourly rate of more than £44.85 £53.00 £59.87
UK excluding London average hourly rate £33.55 £31.80 £31.00
% change year-on-year
+5.51% +2.56%

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 2 September 2015.

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 2 September 2015. 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 +14 27 £500 +8.10% 16
Croydon - 9 £525 -
Brentford - 1 £425 - 1
Hounslow - 1 £470 -
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 2 September 2015, 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.

1 174 (71.02%) Java
2 162 (66.12%) Agile Software Development
3 146 (59.59%) TDD
4 143 (58.37%) MongoDB
5 141 (57.55%) NoSQL
6 107 (43.67%) Scrum
7 86 (35.10%) Scala
8 82 (33.47%) Spring
9 79 (32.24%) BDD
10 78 (31.84%) Ruby
10 78 (31.84%) Amazon AWS
11 72 (29.39%) Pair Programming
12 70 (28.57%) Hadoop
13 65 (26.53%) REST
14 62 (25.31%) Continuous Integration
14 62 (25.31%) Multithreading
15 61 (24.90%) Big Data
16 60 (24.49%) Web Services
17 57 (23.27%) Git (software)
18 55 (22.45%) JavaScript
19 50 (20.41%) Python
19 50 (20.41%) AngularJS
20 49 (20.00%) SQL
21 48 (19.59%) HTML
21 48 (19.59%) RESTful
22 47 (19.18%) Hibernate
22 47 (19.18%) Open Source
23 46 (18.78%) Kanban
24 45 (18.37%) Subversion
25 44 (17.96%) UNIX

Apache Cassandra
Top Related IT Skills in London by Category

For the 6 months to 2 September 2015, 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 39 (15.92%) Apache Spark
2 38 (15.51%) Jetty
3 31 (12.65%) Tomcat
4 30 (12.24%) Node.js
5 29 (11.84%) Apache
6 20 (8.16%) MQSeries
6 20 (8.16%) Cloud Foundry
7 14 (5.71%) Apache Pig
8 12 (4.90%) Elasticsearch
9 8 (3.27%) Apache Solr
10 6 (2.45%) Oracle Coherence
11 5 (2.04%) nginx
12 3 (1.22%) WebLogic
13 2 (0.82%) JBoss
13 2 (0.82%) SAS
14 1 (0.41%) CMS
14 1 (0.41%) WebSphere
14 1 (0.41%) SharePoint
14 1 (0.41%) OpenStack
Applications
1 3 (1.22%) SPSS
2 2 (0.82%) MS Excel
Business Applications
1 2 (0.82%) Summit
Cloud Services
1 78 (31.84%) Amazon AWS
2 15 (6.12%) Microsoft Azure
3 5 (2.04%) AWS CloudFormation
4 4 (1.63%) GitHub
5 3 (1.22%) Amazon EC2
6 2 (0.82%) Amazon ElastiCache
7 1 (0.41%) Cloud Computing
7 1 (0.41%) IaaS
7 1 (0.41%) Amazon EMR
Communications & Networking
1 35 (14.29%) HTTP
2 24 (9.80%) Internet
3 17 (6.94%) TCP/IP
4 5 (2.04%) AMQP
5 1 (0.41%) DNS
Database & Business Intelligence
1 143 (58.37%) MongoDB
2 141 (57.55%) NoSQL
3 70 (28.57%) Hadoop
4 61 (24.90%) Big Data
5 32 (13.06%) Apache Hive
5 32 (13.06%) PostgreSQL
6 29 (11.84%) HBase
7 28 (11.43%) MySQL
8 21 (8.57%) CouchDB
8 21 (8.57%) Relational Database
9 17 (6.94%) SQL Server
10 16 (6.53%) Redis
11 11 (4.49%) Data Warehouse
12 10 (4.08%) RDBMS
13 8 (3.27%) DB2
14 7 (2.86%) Amazon DynamoDB
15 6 (2.45%) Sqoop
15 6 (2.45%) DataStax
16 5 (2.04%) Neo4j
17 3 (1.22%) Pentaho
Development Applications
1 57 (23.27%) Git (software)
2 45 (18.37%) Subversion
3 38 (15.51%) Jenkins
4 31 (12.65%) JUnit
5 28 (11.43%) Maven
6 23 (9.39%) Cucumber
7 22 (8.98%) Gradle
8 20 (8.16%) Mockito
8 20 (8.16%) JMeter
9 7 (2.86%) Mocha
10 6 (2.45%) Jasmine
10 6 (2.45%) Grunt
10 6 (2.45%) gulp
10 6 (2.45%) JIRA
11 4 (1.63%) Karma Test Runner
11 4 (1.63%) QUnit
12 3 (1.22%) IntelliJ
12 3 (1.22%) Log4j
12 3 (1.22%) Hudson
12 3 (1.22%) Mercurial
General
1 16 (6.53%) Finance
2 13 (5.31%) Banking
3 8 (3.27%) Retail
4 4 (1.63%) Investment Banking
5 3 (1.22%) Telecoms
6 2 (0.82%) Front Office
7 1 (0.41%) Retail Banking
7 1 (0.41%) German Language
7 1 (0.41%) Advertising
7 1 (0.41%) Publishing
7 1 (0.41%) Games
Job Titles
1 163 (66.53%) Developer
2 105 (42.86%) Java Developer
3 40 (16.33%) Architect
4 32 (13.06%) Agile Java Developer
5 20 (8.16%) Technical Architect
6 19 (7.76%) Core Java Developer
7 16 (6.53%) Software Engineer
8 14 (5.71%) Big Data Developer
9 13 (5.31%) Hadoop Developer
10 12 (4.90%) Data Architect
10 12 (4.90%) Senior Developer
11 10 (4.08%) Scala Developer
12 9 (3.67%) Big Data Architect
13 7 (2.86%) Digital Architect
13 7 (2.86%) Digital Technical Architect
14 6 (2.45%) DevOps Engineer
14 6 (2.45%) Solutions Architect
14 6 (2.45%) Senior Software Engineer
15 5 (2.04%) PHP Developer
15 5 (2.04%) Python Developer
Libraries, Frameworks & Software Standards
1 82 (33.47%) Spring
2 65 (26.53%) REST
3 60 (24.49%) Web Services
4 50 (20.41%) AngularJS
5 48 (19.59%) RESTful
5 48 (19.59%) HTML
6 47 (19.18%) Hibernate
7 42 (17.14%) HTML5
8 38 (15.51%) Kafka
8 38 (15.51%) JSON
9 34 (13.88%) CSS
10 31 (12.65%) Ajax
11 27 (11.02%) JMS
11 27 (11.02%) J2EE
12 25 (10.20%) Guice
13 24 (9.80%) CSS3
14 22 (8.98%) Ruby on Rails
15 21 (8.57%) Spring MVC
15 21 (8.57%) Play Framework
16 20 (8.16%) iBATIS
Miscellaneous
1 14 (5.71%) User Experience
2 13 (5.31%) STB
3 8 (3.27%) Algorithms
3 8 (3.27%) Internet of Things
4 7 (2.86%) Mobile App
4 7 (2.86%) Analytical Skills
5 6 (2.45%) Data Structures
5 6 (2.45%) Clustering
6 5 (2.04%) Mathematics
7 4 (1.63%) Enterprise Software
8 3 (1.22%) Data Centre
8 3 (1.22%) Cryptography
8 3 (1.22%) Management Information System
8 3 (1.22%) Market Risk
9 2 (0.82%) Social Media
9 2 (0.82%) Data Integration
9 2 (0.82%) Fixed Income
10 1 (0.41%) Replication
10 1 (0.41%) Statistics
10 1 (0.41%) Computer Science
Operating Systems
1 44 (17.96%) UNIX
2 36 (14.69%) Linux
3 6 (2.45%) CentOS
4 5 (2.04%) Red Hat Enterprise Linux
5 4 (1.63%) Apple iOS
5 4 (1.63%) Android
6 2 (0.82%) Mac OS X
6 2 (0.82%) Windows
7 1 (0.41%) Debian
Processes & Methodologies
1 162 (66.12%) Agile Software Development
2 146 (59.59%) TDD
3 107 (43.67%) Scrum
4 79 (32.24%) BDD
5 72 (29.39%) Pair Programming
6 62 (25.31%) Continuous Integration
6 62 (25.31%) Multithreading
7 47 (19.18%) Open Source
8 46 (18.78%) Kanban
9 44 (17.96%) SOA
10 41 (16.73%) DevOps
11 35 (14.29%) Software Engineering
11 35 (14.29%) MapReduce
12 34 (13.88%) MVC
13 32 (13.06%) Concurrent Programming
14 27 (11.02%) Unit Testing
15 24 (9.80%) Configuration Management
16 23 (9.39%) Microservices
17 22 (8.98%) Performance Tuning
18 21 (8.57%) Release Management
Programming Languages
1 174 (71.02%) Java
2 86 (35.10%) Scala
3 78 (31.84%) Ruby
4 55 (22.45%) JavaScript
5 50 (20.41%) Python
6 49 (20.00%) SQL
7 41 (16.73%) Groovy
8 39 (15.92%) C#
9 24 (9.80%) C++
10 12 (4.90%) PHP
11 8 (3.27%) R
12 6 (2.45%) Go
12 6 (2.45%) Clojure
13 3 (1.22%) Bash Shell
13 3 (1.22%) T-SQL
14 2 (0.82%) Haskell
14 2 (0.82%) Perl
15 1 (0.41%) Shell Script
15 1 (0.41%) XAML
15 1 (0.41%) Objective-C
Qualifications
1 8 (3.27%) Security Cleared
2 6 (2.45%) Degree
3 5 (2.04%) BC Cleared
4 3 (1.22%) SC Cleared
5 1 (0.41%) MCSA
5 1 (0.41%) Microsoft Certification
5 1 (0.41%) AWS Certification
Quality Assurance & Compliance
1 24 (9.80%) QA
2 7 (2.86%) SLA
3 2 (0.82%) ISO 14001
3 2 (0.82%) ISO 9001
System Software
1 33 (13.47%) Docker
2 20 (8.16%) Apache Flume
3 7 (2.86%) VMware Infrastructure
4 4 (1.63%) HDFS
5 2 (0.82%) Platform Symphony
6 1 (0.41%) Apache ZooKeeper
Systems Management
1 17 (6.94%) Puppet
2 16 (6.53%) Opscode Chef
2 16 (6.53%) Ansible
3 15 (6.12%) Oozie
4 11 (4.49%) Graphite
5 7 (2.86%) Salt
6 3 (1.22%) Mesos
6 3 (1.22%) Hadoop YARN
6 3 (1.22%) BladeLogic
7 2 (0.82%) Vagrant
8 1 (0.41%) Ganglia
8 1 (0.41%) Nagios
8 1 (0.41%) HAProxy
Vendors
1 29 (11.84%) Oracle
2 17 (6.94%) SOASTA, Inc
3 9 (3.67%) SaltStack
4 8 (3.27%) VMware
5 6 (2.45%) Zend
5 6 (2.45%) Microsoft
6 5 (2.04%) Splunk
7 4 (1.63%) Twitter
8 3 (1.22%) IBM
8 3 (1.22%) Google
9 2 (0.82%) Netezza
9 2 (0.82%) DataSynapse
9 2 (0.82%) Teradata
9 2 (0.82%) Red Hat
9 2 (0.82%) TIBCO
9 2 (0.82%) Informatica
9 2 (0.82%) SAP
9 2 (0.82%) Cognos
9 2 (0.82%) Tableau
9 2 (0.82%) Rackspace
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