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 28 July 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
28 Jul 2015
Same period 2014 Same period 2013
Apache Cassandra
Rank 185 177 192
Rank change year-on-year
-8 +15
Contract jobs citing Apache Cassandra 26 25 38
As % of all contract IT jobs located in the City of London 0.44% 0.42% 0.53%
As % of the Database & Business Intelligence category 1.73% 1.82% 2.34%
Number of daily rates quoted 22 20 35
Average daily rate
Keep up to 90%
of your Daily Rate
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£500 £506 £450
Average daily rate % change year-on-year
-1.23% +12.50%
90% offered a daily rate of more than £430 £418 £364
10% offered a daily rate of more than £550 £604 £575
UK excluding London average daily rate £513 £438 £550
% change year-on-year
+17.14% -20.45%
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
1506 1370 1626
As % of all contract IT jobs located in the City of London 25.38% 23.29% 22.88%
Number of daily rates quoted 1185 1038 1196
Average daily rate £460 £450 £435
Average daily rate % change year-on-year
+2.22% +3.44%
90% offered a daily rate of more than £325 £325 £310
10% offered a daily rate of more than £614 £593 £575
UK excluding London average daily rate £363 £350 £350
% change year-on-year
+3.57% -
Number of hourly rates quoted 7 6 22
Average hourly rate £21.50 £27.50 £43.00
Average hourly rate % change year-on-year
-21.81% -36.03%
90% offered a hourly rate of more than £17.35 £25.00 £14.10
10% offered a hourly rate of more than £84.25 £32.82 £52.50
UK excluding London average hourly rate £30.00 £28.50 £30.00
% change year-on-year
+5.26% -5.00%

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 28 July 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 28 July 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 32 (66.67%) Agile Software Development
2 30 (62.50%) Java
3 29 (60.42%) MongoDB
4 27 (56.25%) NoSQL
5 26 (54.17%) TDD
6 17 (35.42%) Continuous Integration
7 15 (31.25%) Ruby
8 14 (29.17%) Spring
8 14 (29.17%) Web Services
9 13 (27.08%) UNIX
9 13 (27.08%) JavaScript
9 13 (27.08%) PostgreSQL
9 13 (27.08%) Scala
9 13 (27.08%) Hadoop
10 12 (25.00%) Linux
10 12 (25.00%) Python
10 12 (25.00%) BDD
11 11 (22.92%) REST
11 11 (22.92%) AngularJS
11 11 (22.92%) Scrum
12 10 (20.83%) Ajax
12 10 (20.83%) Big Data
13 9 (18.75%) MapReduce
13 9 (18.75%) Node.js
13 9 (18.75%) Pair Programming
13 9 (18.75%) SQL
14 8 (16.67%) HTML
14 8 (16.67%) JSON
14 8 (16.67%) Open Source
14 8 (16.67%) Jetty

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

For the 6 months to 28 July 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 9 (18.75%) Node.js
2 8 (16.67%) Jetty
3 5 (10.42%) Tomcat
4 3 (6.25%) Elasticsearch
4 3 (6.25%) Apache Spark
5 2 (4.17%) OpenStack
6 1 (2.08%) Apache Pig
6 1 (2.08%) SharePoint
6 1 (2.08%) Oracle Coherence
6 1 (2.08%) nginx
6 1 (2.08%) Apache Solr
6 1 (2.08%) Apache
Cloud Services
1 6 (12.50%) Amazon AWS
2 2 (4.17%) Amazon ElastiCache
2 2 (4.17%) AWS CloudFormation
2 2 (4.17%) Amazon EC2
3 1 (2.08%) Microsoft Azure
Communications & Networking
1 3 (6.25%) Internet
1 3 (6.25%) AMQP
2 2 (4.17%) HTTP
3 1 (2.08%) TCP/IP
3 1 (2.08%) VPN
3 1 (2.08%) LAN
3 1 (2.08%) WAN
Database & Business Intelligence
1 29 (60.42%) MongoDB
2 27 (56.25%) NoSQL
3 13 (27.08%) PostgreSQL
3 13 (27.08%) Hadoop
4 10 (20.83%) Big Data
5 7 (14.58%) MySQL
6 6 (12.50%) SQL Server
6 6 (12.50%) DB2
6 6 (12.50%) Apache Hive
6 6 (12.50%) Relational Database
7 5 (10.42%) Data Warehouse
8 4 (8.33%) Redis
9 3 (6.25%) HBase
10 2 (4.17%) Amazon RDS
11 1 (2.08%) HCatalog
11 1 (2.08%) Azkaban
11 1 (2.08%) Enterprise Data Warehouse
11 1 (2.08%) Riak
11 1 (2.08%) Mahout
11 1 (2.08%) MarkLogic
Development Applications
1 7 (14.58%) Jenkins
2 6 (12.50%) Gradle
2 6 (12.50%) Maven
3 5 (10.42%) Git (software)
3 5 (10.42%) Mockito
3 5 (10.42%) JUnit
3 5 (10.42%) JMeter
3 5 (10.42%) Subversion
3 5 (10.42%) Cucumber
4 4 (8.33%) Jasmine
5 3 (6.25%) Mocha
General
1 4 (8.33%) Banking
2 3 (6.25%) Finance
3 1 (2.08%) Legal
3 1 (2.08%) Advertising
3 1 (2.08%) Retail
3 1 (2.08%) Investment Banking
3 1 (2.08%) German Language
Job Titles
1 31 (64.58%) Developer
2 18 (37.50%) Java Developer
3 5 (10.42%) Architect
3 5 (10.42%) DevOps Engineer
4 4 (8.33%) Hadoop Developer
4 4 (8.33%) Technical Architect
5 3 (6.25%) Python Developer
5 3 (6.25%) Digital Technical Architect
5 3 (6.25%) Digital Architect
6 2 (4.17%) PHP Symfony Developer
6 2 (4.17%) PHP Developer
6 2 (4.17%) Agile Java Developer
6 2 (4.17%) Software Engineer
7 1 (2.08%) Software Developer
7 1 (2.08%) Trainer
7 1 (2.08%) Consultant
7 1 (2.08%) Data Architect
7 1 (2.08%) Solutions Architect
7 1 (2.08%) Applications Developer
7 1 (2.08%) Senior Developer
Libraries, Frameworks & Software Standards
1 14 (29.17%) Web Services
1 14 (29.17%) Spring
2 11 (22.92%) REST
2 11 (22.92%) AngularJS
3 10 (20.83%) Ajax
4 8 (16.67%) JSON
4 8 (16.67%) HTML
5 7 (14.58%) J2EE
5 7 (14.58%) CSS
5 7 (14.58%) RESTful
5 7 (14.58%) Kafka
6 6 (12.50%) Cascading
6 6 (12.50%) Hibernate
7 5 (10.42%) HTML5
7 5 (10.42%) Guice
7 5 (10.42%) Ruby on Rails
7 5 (10.42%) XML
7 5 (10.42%) XSD
7 5 (10.42%) XSL
8 4 (8.33%) CSS3
Miscellaneous
1 6 (12.50%) Mobile App
2 3 (6.25%) Algorithms
3 2 (4.17%) Data Centre
3 2 (4.17%) Internet of Things
3 2 (4.17%) User Experience
3 2 (4.17%) Visualisation
3 2 (4.17%) Social Media
4 1 (2.08%) Clustering
4 1 (2.08%) Statistics
4 1 (2.08%) Data Structures
4 1 (2.08%) Enterprise Software
Operating Systems
1 13 (27.08%) UNIX
2 12 (25.00%) Linux
3 2 (4.17%) Android
3 2 (4.17%) Apple iOS
4 1 (2.08%) CentOS
Processes & Methodologies
1 32 (66.67%) Agile Software Development
2 26 (54.17%) TDD
3 17 (35.42%) Continuous Integration
4 12 (25.00%) BDD
5 11 (22.92%) Scrum
6 9 (18.75%) Pair Programming
6 9 (18.75%) MapReduce
7 8 (16.67%) Open Source
8 6 (12.50%) Software Engineering
8 6 (12.50%) DevOps
9 5 (10.42%) Build Automation
9 5 (10.42%) Mobile Application Development
9 5 (10.42%) Concurrent Programming
9 5 (10.42%) Unit Testing
9 5 (10.42%) Web Development
9 5 (10.42%) Multithreading
9 5 (10.42%) Dependency Injection
9 5 (10.42%) Root Cause Analysis
10 4 (8.33%) Configuration Management
10 4 (8.33%) Microservices
Programming Languages
1 30 (62.50%) Java
2 15 (31.25%) Ruby
3 13 (27.08%) Scala
3 13 (27.08%) JavaScript
4 12 (25.00%) Python
5 9 (18.75%) SQL
6 6 (12.50%) Groovy
7 3 (6.25%) PHP
8 2 (4.17%) C#
8 2 (4.17%) Bash Shell
9 1 (2.08%) Clojure
9 1 (2.08%) Perl
9 1 (2.08%) VB.NET
9 1 (2.08%) Objective-C
Qualifications
1 1 (2.08%) MCSA
1 1 (2.08%) Microsoft Certification
1 1 (2.08%) Degree
1 1 (2.08%) SC Cleared
1 1 (2.08%) Security Cleared
Quality Assurance & Compliance
1 4 (8.33%) SLA
System Software
1 8 (16.67%) Docker
2 6 (12.50%) Apache Flume
3 4 (8.33%) VMware Infrastructure
4 2 (4.17%) Apache ZooKeeper
5 1 (2.08%) Oracle RAC
5 1 (2.08%) HDFS
Systems Management
1 7 (14.58%) Oozie
2 6 (12.50%) Puppet
3 4 (8.33%) Ansible
4 3 (6.25%) Opscode Chef
5 2 (4.17%) Mesos
5 2 (4.17%) Graphite
5 2 (4.17%) Vagrant
6 1 (2.08%) Cobbler
6 1 (2.08%) Ambari
6 1 (2.08%) Nagios
6 1 (2.08%) Ganglia
Vendors
1 6 (12.50%) Oracle
2 5 (10.42%) VMware
2 5 (10.42%) SOASTA, Inc
3 2 (4.17%) Zend
3 2 (4.17%) Intel
4 1 (2.08%) Red Hat
4 1 (2.08%) TIBCO
4 1 (2.08%) Teradata
4 1 (2.08%) Netezza
4 1 (2.08%) Sybase
4 1 (2.08%) SAP
4 1 (2.08%) Cisco
4 1 (2.08%) Tableau
4 1 (2.08%) Facebook
4 1 (2.08%) Hortonworks
4 1 (2.08%) MapR
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Salt
Rate: £450 - £600 per day + immediate start, extendable contract
Posted: 8 hours ago
City, London
Arrows Group
Rate: £450 - £550 per day
Posted: Yesterday
City of London
Arrows Group
Rate: £450 - £600 per day + Negotiable
Posted: 6 days ago
City of London
Arrows Group
Rate: £500 - £600 per day
Posted: 7 days ago