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 contractor rates offered in IT contracts that have cited Apache Cassandra over the 3 months to 1 July 2016 with a comparison to the same period over 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.

3 months to
1 Jul 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 128 179 182
Rank change year-on-year
+51 +3
Contract jobs citing Apache Cassandra 41 21 29
As % of all contract IT jobs located in the City of London 1.23% 0.36% 0.49%
As % of the Database & Business Intelligence category 5.14% 1.40% 2.08%
Number of daily rates quoted 39 17 24
Median daily rate £525 £500 £475
Median daily rate % change year-on-year
+5.00% +5.26%
90% offered a daily rate of more than £400 £390 £428
10% offered a daily rate of more than £675 £617 £600
UK excluding London median daily rate £425 £525 £438
% change year-on-year
-19.04% +20.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £55.00 - -
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
798 1498 1395
As % of all contract IT jobs located in the City of London 23.93% 25.60% 23.61%
Number of daily rates quoted 631 1188 1061
Median daily rate £475 £450 £450
Median daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £338 £325 £315
10% offered a daily rate of more than £625 £600 £575
UK excluding London median daily rate £375 £355 £350
% change year-on-year
+5.63% +1.42%
Number of hourly rates quoted 4 7 7
Median hourly rate £17.88 £30.00 £27.50
Median hourly rate % change year-on-year
-40.41% +9.09%
90% offered a hourly rate of more than £16.75 £17.30 £17.20
10% offered a hourly rate of more than £19.00 £102.00 £51.01
UK excluding London median hourly rate £31.59 £28.13 £29.50
% change year-on-year
+12.30% -4.66%

Apache Cassandra
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing Apache Cassandra as a proportion of all IT contracts with a match in 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 1 July 2016.

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 1 July 2016, IT contractor jobs citing Apache Cassandra also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Apache Cassandra.

1 106 (77.94%) Java
2 102 (75.00%) TDD
3 91 (66.91%) Agile Software Development
4 76 (55.88%) Finance
5 75 (55.15%) NoSQL
6 63 (46.32%) Pair Programming
7 58 (42.65%) Scrum
8 53 (38.97%) REST
9 49 (36.03%) MongoDB
10 46 (33.82%) BDD
11 43 (31.62%) Banking
12 41 (30.15%) SDLC
13 37 (27.21%) Web Services
13 37 (27.21%) Scala
14 36 (26.47%) Amazon AWS
14 36 (26.47%) Linux
15 28 (20.59%) Ruby
16 24 (17.65%) Big Data
16 24 (17.65%) Apache Spark
17 23 (16.91%) RabbitMQ
17 23 (16.91%) Software Engineering
18 22 (16.18%) DevOps
18 22 (16.18%) Continuous Delivery
19 20 (14.71%) Play Framework
20 19 (13.97%) Continuous Integration
20 19 (13.97%) Kanban
20 19 (13.97%) JavaScript
20 19 (13.97%) HTML
21 18 (13.24%) Hadoop
22 17 (12.50%) CSS

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

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 24 (17.65%) Apache Spark
2 10 (7.35%) Cloud Foundry
2 10 (7.35%) OpenStack
3 6 (4.41%) Elasticsearch
4 3 (2.21%) Jetty
5 2 (1.47%) Apache Pig
5 2 (1.47%) Tomcat
6 1 (0.74%) Apache
6 1 (0.74%) GemFire
6 1 (0.74%) JBoss
6 1 (0.74%) Oracle Coherence
Cloud Services
1 36 (26.47%) Amazon AWS
2 11 (8.09%) PaaS
3 10 (7.35%) Heroku
3 10 (7.35%) Microsoft Azure
4 3 (2.21%) Amazon EMR
4 3 (2.21%) Cloud Computing
4 3 (2.21%) GitHub
5 2 (1.47%) Amazon EC2
6 1 (0.74%) AWS CloudFormation
6 1 (0.74%) Google App Engine
6 1 (0.74%) Google Cloud Platform
Communications & Networking
1 5 (3.68%) Network Security
1 5 (3.68%) SAN
2 3 (2.21%) HTTP
3 2 (1.47%) HTTPS
4 1 (0.74%) Internet
Database & Business Intelligence
1 75 (55.15%) NoSQL
2 49 (36.03%) MongoDB
3 24 (17.65%) Big Data
4 18 (13.24%) Hadoop
5 12 (8.82%) MySQL
5 12 (8.82%) Redis
6 11 (8.09%) PostgreSQL
7 10 (7.35%) HBase
8 7 (5.15%) Apache Hive
9 5 (3.68%) Amazon DynamoDB
9 5 (3.68%) SimpleDB
9 5 (3.68%) SQL Server
10 4 (2.94%) Data Warehouse
10 4 (2.94%) KNIME
10 4 (2.94%) Relational Database
11 3 (2.21%) Neo4j
11 3 (2.21%) Oracle Database
12 2 (1.47%) Couchbase
12 2 (1.47%) Oracle Database 11g
12 2 (1.47%) RDBMS
Development Applications
1 13 (9.56%) Git (software)
2 11 (8.09%) IntelliJ
3 10 (7.35%) Gradle
3 10 (7.35%) Jenkins
4 9 (6.62%) Cucumber
5 7 (5.15%) Jasmine
6 5 (3.68%) JIRA
6 5 (3.68%) Subversion
7 4 (2.94%) GitLab
7 4 (2.94%) Maven
8 3 (2.21%) Selenium
8 3 (2.21%) WebDriver
9 2 (1.47%) JUnit
9 2 (1.47%) Mockito
10 1 (0.74%) Atlassian Bamboo
10 1 (0.74%) JMeter
10 1 (0.74%) Mercurial
10 1 (0.74%) NUnit
10 1 (0.74%) Team Foundation Server
10 1 (0.74%) Visual Studio
General
1 76 (55.88%) Finance
2 43 (31.62%) Banking
3 4 (2.94%) Front Office
4 3 (2.21%) Investment Banking
5 2 (1.47%) Law
5 2 (1.47%) Marketing
6 1 (0.74%) Advertising
6 1 (0.74%) Games
6 1 (0.74%) Publishing
Job Titles
1 106 (77.94%) Developer
2 85 (62.50%) Java Developer
3 43 (31.62%) Agile Developer
3 43 (31.62%) Agile Java Developer
4 19 (13.97%) Scala Developer
5 13 (9.56%) AWS Developer
6 12 (8.82%) Java Engineer
7 11 (8.09%) DevOps Engineer
8 10 (7.35%) Cassandra Developer
9 8 (5.88%) Apache Spark Developer
9 8 (5.88%) Cloud Engineer
9 8 (5.88%) Java Scala Developer
10 6 (4.41%) Administrator
10 6 (4.41%) Systems Administrator
11 5 (3.68%) Data Engineer
11 5 (3.68%) Linux Administrator
11 5 (3.68%) Linux Systems Administrator
12 4 (2.94%) Core Java Developer
12 4 (2.94%) Data Scientist
12 4 (2.94%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 53 (38.97%) REST
2 37 (27.21%) Web Services
3 23 (16.91%) RabbitMQ
4 20 (14.71%) Play Framework
5 19 (13.97%) HTML
6 17 (12.50%) CSS
7 16 (11.76%) Akka
8 15 (11.03%) HTML5
8 15 (11.03%) Kafka
8 15 (11.03%) Node.js
9 14 (10.29%) Ajax
10 13 (9.56%) Dropwizard
11 11 (8.09%) JSON
12 8 (5.88%) CSS3
12 8 (5.88%) jQuery
12 8 (5.88%) Spring
13 7 (5.15%) ActiveMQ
13 7 (5.15%) Hibernate
14 6 (4.41%) Ruby on Rails
14 6 (4.41%) XML
Miscellaneous
1 6 (4.41%) Hedge funds
1 6 (4.41%) Management Information System
1 6 (4.41%) Semantic Web
2 4 (2.94%) Derivative
3 2 (1.47%) Algorithms
3 2 (1.47%) Analytical Skills
3 2 (1.47%) Clustering
3 2 (1.47%) Data Structures
3 2 (1.47%) Enterprise Software
3 2 (1.47%) Equities
3 2 (1.47%) Foreign Exchange (FX)
3 2 (1.47%) Life Science
3 2 (1.47%) Market Risk
3 2 (1.47%) Social Network
4 1 (0.74%) Social Media
4 1 (0.74%) Visualisation
Operating Systems
1 36 (26.47%) Linux
2 13 (9.56%) Unix
3 6 (4.41%) Windows
4 5 (3.68%) VyOS
5 4 (2.94%) Android
5 4 (2.94%) Apple iOS
6 2 (1.47%) CentOS
6 2 (1.47%) Mac OS X
7 1 (0.74%) Debian
7 1 (0.74%) Ubuntu
Processes & Methodologies
1 102 (75.00%) TDD
2 91 (66.91%) Agile Software Development
3 63 (46.32%) Pair Programming
4 58 (42.65%) Scrum
5 46 (33.82%) BDD
6 41 (30.15%) SDLC
7 23 (16.91%) Software Engineering
8 22 (16.18%) Continuous Delivery
8 22 (16.18%) DevOps
9 19 (13.97%) Continuous Integration
9 19 (13.97%) Kanban
10 13 (9.56%) Configuration Management
10 13 (9.56%) Mentoring
11 10 (7.35%) Open Source
12 9 (6.62%) Automated Testing
13 8 (5.88%) Line Management
13 8 (5.88%) Software Architecture
14 7 (5.15%) MVC
14 7 (5.15%) SOA
15 6 (4.41%) Web Development
Programming Languages
1 106 (77.94%) Java
2 37 (27.21%) Scala
3 28 (20.59%) Ruby
4 19 (13.97%) JavaScript
5 11 (8.09%) Go
6 7 (5.15%) Python
7 5 (3.68%) PowerShell
8 4 (2.94%) R
9 3 (2.21%) Bash Shell
9 3 (2.21%) Haskell
9 3 (2.21%) PHP
9 3 (2.21%) SQL
10 2 (1.47%) C#
10 2 (1.47%) PL/SQL
10 2 (1.47%) Shell Script
10 2 (1.47%) XAML
11 1 (0.74%) C++
11 1 (0.74%) SPARQL
Qualifications
1 1 (0.74%) DV Cleared
1 1 (0.74%) Security Cleared
Quality Assurance & Compliance
1 12 (8.82%) QA
2 1 (0.74%) Disclosure Scotland
2 1 (0.74%) SLA
System Software
1 10 (7.35%) vSphere
2 7 (5.15%) Docker
3 6 (4.41%) Apache ZooKeeper
4 5 (3.68%) NFS
4 5 (3.68%) Virtual Machines
5 3 (2.21%) HDFS
6 1 (0.74%) Apache Flume
6 1 (0.74%) Hyper-V
6 1 (0.74%) KVM
6 1 (0.74%) VMware ESX
6 1 (0.74%) VMware Infrastructure
Systems Management
1 7 (5.15%) Opscode Chef
2 6 (4.41%) Puppet
3 4 (2.94%) Ansible
4 2 (1.47%) Consul
4 2 (1.47%) Mesos
Vendors
1 7 (5.15%) Oracle
2 6 (4.41%) New Relic
2 6 (4.41%) VMware
3 5 (3.68%) 3PAR
3 5 (3.68%) Brocade
3 5 (3.68%) Cisco
3 5 (3.68%) Sybase
3 5 (3.68%) Vyatta
4 4 (2.94%) Cloudera
4 4 (2.94%) RapidMiner
5 3 (2.21%) Google
6 2 (1.47%) Microsoft
6 2 (1.47%) Red Hat
7 1 (0.74%) DataSynapse
7 1 (0.74%) Facebook
7 1 (0.74%) PayPal
7 1 (0.74%) SOASTA, Inc
7 1 (0.74%) Splunk
7 1 (0.74%) Tableau
7 1 (0.74%) TIBCO
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