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 10 February 2016 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
10 Feb 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 164 289 276
Rank change year-on-year
+125 -13
Contract jobs citing Apache Cassandra 306 128 133
As % of all contract IT jobs located in London 1.44% 0.60% 0.60%
As % of the Database & Business Intelligence category 6.18% 2.56% 2.58%
Number of daily rates quoted 259 114 104
Average daily rate £525 £500 £500
Average daily rate % change year-on-year
+5.00% -
90% offered a daily rate of more than £425 £375 £425
10% offered a daily rate of more than £604 £650 £643
UK excluding London average daily rate £500 £488 £413
% change year-on-year
+2.56% +18.18%
Number of hourly rates quoted 3 0 0
Average hourly rate £50.00 - -
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
4954 4994 5150
As % of all contract IT jobs located in London 23.39% 23.55% 23.40%
Number of daily rates quoted 3583 3522 3545
Average daily rate £475 £450 £425
Average daily rate % change year-on-year
+5.55% +5.88%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £620 £600 £575
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 27 37 44
Average hourly rate £43.00 £20.00 £30.00
Average hourly rate % change year-on-year
+115.00% -33.33%
90% offered a hourly rate of more than £17.75 £12.10 £17.85
10% offered a hourly rate of more than £50.00 £40.05 £57.50
UK excluding London average hourly rate £32.50 £32.50 £29.00
% change year-on-year
- +12.06%

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 10 February 2016.

Apache Cassandra Daily Rate Histogram in London

Apache Cassandra
Hourly Rate Trend in London

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing Apache Cassandra across the London region.

Apache Cassandra Hourly Rate Trend 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 10 February 2016. 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 +84 79 £525 +10.52% 20
Hammersmith - 2 £563 -
Croydon - 1 - -
Osterley - 1 £500 -
Canary Wharf - 1 £648 -
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 10 February 2016, 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.

1 376 (78.50%) Java
2 348 (72.65%) Agile Software Development
3 298 (62.21%) TDD
4 296 (61.80%) NoSQL
5 221 (46.14%) MongoDB
6 203 (42.38%) Scrum
7 187 (39.04%) Pair Programming
8 158 (32.99%) BDD
9 152 (31.73%) REST
10 148 (30.90%) Amazon AWS
11 147 (30.69%) Spring
12 135 (28.18%) Continuous Integration
13 134 (27.97%) Python
14 120 (25.05%) Linux
15 113 (23.59%) Web Services
15 113 (23.59%) Scala
16 111 (23.17%) Finance
17 105 (21.92%) Tomcat
17 105 (21.92%) Jenkins
18 104 (21.71%) Unix
19 102 (21.29%) Multithreading
20 91 (19.00%) Git (software)
21 88 (18.37%) Hadoop
22 87 (18.16%) Software Engineering
23 85 (17.75%) Banking
23 85 (17.75%) Jetty
23 85 (17.75%) Docker
24 83 (17.33%) Big Data
25 80 (16.70%) Ruby
26 79 (16.49%) DevOps

Apache Cassandra
Top Related IT Skills in London by Category

For the 6 months to 10 February 2016, 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
1 105 (21.92%) Tomcat
2 85 (17.75%) Jetty
3 72 (15.03%) Node.js
4 68 (14.20%) Apache
5 54 (11.27%) Apache Spark
6 31 (6.47%) Elasticsearch
7 21 (4.38%) JBoss
8 18 (3.76%) Apache Pig
9 14 (2.92%) OpenStack
10 9 (1.88%) Cloud Foundry
10 9 (1.88%) IIS
11 8 (1.67%) nginx
12 6 (1.25%) Apache Solr
13 4 (0.84%) Drupal
14 3 (0.63%) Gunicorn
14 3 (0.63%) uWSGI
15 2 (0.42%) MQSeries
15 2 (0.42%) Mule
15 2 (0.42%) SAS
15 2 (0.42%) SugarCRM
Applications
1 2 (0.42%) SPSS
Business Applications
1 5 (1.04%) SAP Oil and Gas
2 2 (0.42%) OpenText Process Suite
3 1 (0.21%) Summit
Cloud Services
1 148 (30.90%) Amazon AWS
2 34 (7.10%) AWS CloudFormation
3 23 (4.80%) Amazon EC2
4 21 (4.38%) Amazon S3
5 17 (3.55%) Amazon Glacier
5 17 (3.55%) Virtual Private Cloud
6 14 (2.92%) GitHub
7 13 (2.71%) Microsoft Azure
8 10 (2.09%) Google Cloud Platform
9 8 (1.67%) PaaS
10 6 (1.25%) IaaS
11 5 (1.04%) Heroku
12 2 (0.42%) Cloud Computing
13 1 (0.21%) Amazon CloudWatch
13 1 (0.21%) Amazon ElastiCache
13 1 (0.21%) Amazon EMR
13 1 (0.21%) Datadog
13 1 (0.21%) Google App Engine
13 1 (0.21%) SaaS
Communications & Networking
1 73 (15.24%) HTTP
2 44 (9.19%) TCP/IP
3 31 (6.47%) Internet
4 6 (1.25%) DNS
5 5 (1.04%) IMAP
5 5 (1.04%) SMTP
5 5 (1.04%) SNMP
6 2 (0.42%) HTTPS
6 2 (0.42%) Intranet
6 2 (0.42%) Network Security
6 2 (0.42%) SAN
7 1 (0.21%) Firewall
7 1 (0.21%) FTP
7 1 (0.21%) SSH
7 1 (0.21%) SSL
7 1 (0.21%) VPN
7 1 (0.21%) ZigBee
Database & Business Intelligence
1 296 (61.80%) NoSQL
2 221 (46.14%) MongoDB
3 88 (18.37%) Hadoop
4 83 (17.33%) Big Data
5 54 (11.27%) PostgreSQL
6 49 (10.23%) MySQL
7 44 (9.19%) HBase
8 35 (7.31%) Redis
9 33 (6.89%) Apache Hive
10 28 (5.85%) Relational Database
10 28 (5.85%) SQL Server
11 20 (4.18%) Amazon DynamoDB
11 20 (4.18%) Neo4j
12 19 (3.97%) Amazon RDS
13 13 (2.71%) CouchDB
14 9 (1.88%) Couchbase
15 7 (1.46%) Oracle Database
15 7 (1.46%) RDBMS
15 7 (1.46%) Sqoop
16 6 (1.25%) Pentaho
Development Applications
1 105 (21.92%) Jenkins
2 91 (19.00%) Git (software)
3 70 (14.61%) Gradle
3 70 (14.61%) JUnit
4 66 (13.78%) Maven
5 61 (12.73%) Mockito
6 60 (12.53%) Cucumber
7 55 (11.48%) Subversion
8 37 (7.72%) JMeter
9 13 (2.71%) Jasmine
9 13 (2.71%) Mercurial
10 12 (2.51%) IntelliJ
11 11 (2.30%) Hudson
11 11 (2.30%) JIRA
12 9 (1.88%) gulp
12 9 (1.88%) Log4j
12 9 (1.88%) Selenium
13 8 (1.67%) Karma Test Runner
14 7 (1.46%) Grunt
14 7 (1.46%) Mocha
General
1 111 (23.17%) Finance
2 85 (17.75%) Banking
3 20 (4.18%) Front Office
4 13 (2.71%) Telecoms
5 9 (1.88%) Investment Banking
5 9 (1.88%) Marketing
6 7 (1.46%) Games
7 5 (1.04%) Electronics
7 5 (1.04%) Manufacturing
7 5 (1.04%) Retail
8 4 (0.84%) Publishing
9 3 (0.63%) Spanish Language
10 2 (0.42%) Wholesale Banking
11 1 (0.21%) Financial Institution
11 1 (0.21%) International Banking
Job Titles
1 364 (75.99%) Developer
2 265 (55.32%) Java Developer
3 155 (32.36%) Agile Developer
4 145 (30.27%) Agile Java Developer
5 41 (8.56%) Scala Developer
6 37 (7.72%) Architect
6 37 (7.72%) Senior Developer
7 30 (6.26%) Senior Java Developer
8 27 (5.64%) DevOps Engineer
8 27 (5.64%) NoSQL Developer
9 26 (5.43%) Python Developer
10 24 (5.01%) C# Developer
11 22 (4.59%) Java Scala Developer
12 21 (4.38%) Administrator
12 21 (4.38%) Big Data Developer
13 19 (3.97%) Systems Administrator
14 17 (3.55%) Hadoop Developer
14 17 (3.55%) Software Developer
15 16 (3.34%) Senior Agile Developer
15 16 (3.34%) Senior Agile Java Developer
Libraries, Frameworks & Software Standards
1 152 (31.73%) REST
2 147 (30.69%) Spring
3 113 (23.59%) Web Services
4 67 (13.99%) Kafka
5 61 (12.73%) AngularJS
6 55 (11.48%) Guice
7 53 (11.06%) HTML
8 48 (10.02%) CSS
9 46 (9.60%) RESTful
10 40 (8.35%) .NET
11 35 (7.31%) JSON
12 34 (7.10%) Akka
13 31 (6.47%) Hibernate
14 30 (6.26%) HTML5
14 30 (6.26%) Play Framework
15 24 (5.01%) Django
16 23 (4.80%) RabbitMQ
17 21 (4.38%) Ajax
17 21 (4.38%) jQuery
18 20 (4.18%) SOAP
Miscellaneous
1 29 (6.05%) STB
2 16 (3.34%) Clustering
3 15 (3.13%) Computer Science
4 10 (2.09%) Analytical Skills
5 9 (1.88%) Cryptography
6 7 (1.46%) Management Information System
6 7 (1.46%) Mobile App
6 7 (1.46%) Social Media
7 6 (1.25%) Equities
7 6 (1.25%) Hedge funds
7 6 (1.25%) User Experience
8 5 (1.04%) Algorithms
8 5 (1.04%) Foreign Exchange (FX)
8 5 (1.04%) Mainframe
8 5 (1.04%) Market Risk
8 5 (1.04%) Visualisation
9 4 (0.84%) Derivative
9 4 (0.84%) Enterprise Software
10 3 (0.63%) Data Integration
10 3 (0.63%) Online Games
Operating Systems
1 120 (25.05%) Linux
2 104 (21.71%) Unix
3 31 (6.47%) Debian
4 21 (4.38%) Windows
5 19 (3.97%) CentOS
6 14 (2.92%) Red Hat Enterprise Linux
7 11 (2.30%) Ubuntu
8 6 (1.25%) Mac OS X
9 5 (1.04%) Apple iOS
10 4 (0.84%) Android
11 2 (0.42%) VyOS
12 1 (0.21%) AIX
12 1 (0.21%) Windows Server 2008
12 1 (0.21%) Windows XP
Processes & Methodologies
1 348 (72.65%) Agile Software Development
2 298 (62.21%) TDD
3 203 (42.38%) Scrum
4 187 (39.04%) Pair Programming
5 158 (32.99%) BDD
6 135 (28.18%) Continuous Integration
7 102 (21.29%) Multithreading
8 87 (18.16%) Software Engineering
9 79 (16.49%) DevOps
10 71 (14.82%) SDLC
11 68 (14.20%) Unit Testing
12 61 (12.73%) Concurrent Programming
13 57 (11.90%) Open Source
14 54 (11.27%) Kanban
15 49 (10.23%) OO
16 46 (9.60%) Dependency Injection
17 43 (8.98%) Build Automation
18 37 (7.72%) Non-Functional Testing
18 37 (7.72%) Root Cause Analysis
19 35 (7.31%) Microservices
Programming Languages
1 376 (78.50%) Java
2 134 (27.97%) Python
3 113 (23.59%) Scala
4 80 (16.70%) Ruby
5 77 (16.08%) JavaScript
6 67 (13.99%) SQL
7 37 (7.72%) Groovy
8 36 (7.52%) Bash Shell
9 34 (7.10%) C#
10 26 (5.43%) Go
11 15 (3.13%) PHP
11 15 (3.13%) R
12 13 (2.71%) Perl
13 12 (2.51%) C++
14 10 (2.09%) Clojure
15 8 (1.67%) Haskell
16 7 (1.46%) XAML
17 5 (1.04%) Erlang
17 5 (1.04%) Shell Script
18 3 (0.63%) PowerShell
Qualifications
1 21 (4.38%) Degree
2 5 (1.04%) Security Cleared
3 3 (0.63%) AWS Certification
4 2 (0.42%) ISEB
5 1 (0.21%) BPSS Clearance
5 1 (0.21%) SC Cleared
Quality Assurance & Compliance
1 29 (6.05%) QA
2 20 (4.18%) SLA
3 4 (0.84%) PCI DSS
4 3 (0.63%) Disclosure Scotland
5 2 (0.42%) Data Quality
System Software
1 85 (17.75%) Docker
2 18 (3.76%) Apache Flume
3 11 (2.30%) HDFS
4 9 (1.88%) VMware Infrastructure
5 7 (1.46%) NFS
5 7 (1.46%) vSphere
6 2 (0.42%) Apache ZooKeeper
6 2 (0.42%) Varnish
7 1 (0.21%) iptables
Systems Management
1 36 (7.52%) Graphite
1 36 (7.52%) Puppet
2 32 (6.68%) Opscode Chef
3 17 (3.55%) Ansible
4 14 (2.92%) Oozie
5 10 (2.09%) Mesos
6 9 (1.88%) Hadoop YARN
7 8 (1.67%) Kubernetes
8 7 (1.46%) Nagios
9 6 (1.25%) HAProxy
10 4 (0.84%) Bacula
10 4 (0.84%) Cacti
11 1 (0.21%) CFEngine
11 1 (0.21%) collectd
11 1 (0.21%) Grafana
11 1 (0.21%) logstash
11 1 (0.21%) Perfmon
11 1 (0.21%) Riemann
11 1 (0.21%) StatsD
11 1 (0.21%) ZABBIX
Vendors
1 37 (7.72%) SOASTA, Inc
2 27 (5.64%) Oracle
3 20 (4.18%) Google
4 15 (3.13%) Microsoft
5 12 (2.51%) VMware
6 10 (2.09%) Red Hat
7 8 (1.67%) SAP
8 6 (1.25%) Cloudera
8 6 (1.25%) Twitter
9 4 (0.84%) AppDynamics
9 4 (0.84%) Hortonworks
10 3 (0.63%) Atlassian
10 3 (0.63%) Cisco
10 3 (0.63%) Teradata
10 3 (0.63%) Vyatta
11 2 (0.42%) 3PAR
11 2 (0.42%) Facebook
11 2 (0.42%) IBM
11 2 (0.42%) Splunk
11 2 (0.42%) Sybase
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