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 6 December 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
6 Dec 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 103 115 181
Rank change year-on-year
+12 +66
Contract jobs citing Apache Cassandra 57 49 22
As % of all contract IT jobs located in the City of London 1.74% 1.43% 0.38%
As % of the Database & Business Intelligence category 6.18% 5.70% 1.69%
Number of daily rates quoted 51 49 20
Median daily rate £600 £525 £475
Median daily rate % change year-on-year
+14.28% +10.52%
90% offered a daily rate of more than £438 £481 £335
10% offered a daily rate of more than £675 £605 £600
UK excluding London median daily rate £500 £550 £500
% change year-on-year
-9.09% +10.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £22.50 - -
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
923 860 1302
As % of all contract IT jobs located in the City of London 28.15% 25.12% 22.70%
Number of daily rates quoted 743 700 1038
Median daily rate £500 £475 £420
Median daily rate % change year-on-year
+5.26% +13.09%
90% offered a daily rate of more than £350 £345 £288
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £388 £363
% change year-on-year
+3.22% +6.89%
Number of hourly rates quoted 1 2 3
Median hourly rate £45.00 £37.50 £30.00
Median hourly rate % change year-on-year
+20.00% +25.00%
UK excluding London median hourly rate £38.00 £25.44 £33.00
% change year-on-year
+49.37% -22.90%

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 6 December 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 6 December 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 76 (66.09%) Java
2 72 (62.61%) Agile Software Development
2 72 (62.61%) Scala
3 61 (53.04%) TDD
4 54 (46.96%) Scrum
4 54 (46.96%) MongoDB
5 48 (41.74%) Big Data
6 43 (37.39%) Apache Spark
7 42 (36.52%) BDD
8 40 (34.78%) NoSQL
9 36 (31.30%) Hadoop
9 36 (31.30%) Kanban
10 35 (30.43%) Kafka
11 32 (27.83%) HTML
12 31 (26.96%) JavaScript
12 31 (26.96%) REST
13 30 (26.09%) CSS
14 29 (25.22%) Banking
14 29 (25.22%) HTML5
14 29 (25.22%) Play Framework
15 28 (24.35%) Continuous Integration
16 27 (23.48%) Git (software)
17 26 (22.61%) Akka
17 26 (22.61%) DevOps
18 25 (21.74%) PostgreSQL
19 23 (20.00%) Open Source
19 23 (20.00%) AngularJS
20 22 (19.13%) Node.js
20 22 (19.13%) Amazon AWS
20 22 (19.13%) Finance

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 43 (37.39%) Apache Spark
2 16 (13.91%) Apache
3 10 (8.70%) Apache Pig
3 10 (8.70%) Elasticsearch
4 5 (4.35%) Jetty
4 5 (4.35%) Oracle Coherence
5 3 (2.61%) Apache Solr
5 3 (2.61%) JBoss
6 2 (1.74%) nginx
6 2 (1.74%) OpenStack
6 2 (1.74%) WildFly
7 1 (0.87%) Cloud Foundry
7 1 (0.87%) CMS
7 1 (0.87%) Jupyter
7 1 (0.87%) Oracle SOA Suite
7 1 (0.87%) SAS
7 1 (0.87%) Tomcat
Applications
1 2 (1.74%) SPSS
Business Applications
1 1 (0.87%) SAP Oil and Gas
Cloud Services
1 22 (19.13%) Amazon AWS
2 6 (5.22%) Cloud Computing
3 3 (2.61%) AWS CloudFormation
3 3 (2.61%) GitHub
4 2 (1.74%) Microsoft Azure
5 1 (0.87%) Heroku
5 1 (0.87%) PaaS
5 1 (0.87%) SaaS
Communications & Networking
1 5 (4.35%) Firewall
2 4 (3.48%) HTTP
2 4 (3.48%) Network Security
3 2 (1.74%) Internet
4 1 (0.87%) SAN
4 1 (0.87%) SNMP
Database & Business Intelligence
1 54 (46.96%) MongoDB
2 48 (41.74%) Big Data
3 40 (34.78%) NoSQL
4 36 (31.30%) Hadoop
5 25 (21.74%) PostgreSQL
6 21 (18.26%) HBase
7 19 (16.52%) MySQL
8 11 (9.57%) Apache Hive
9 8 (6.96%) Data Lake
9 8 (6.96%) Neo4j
9 8 (6.96%) SQL Server
10 7 (6.09%) Relational Database
11 6 (5.22%) Redis
12 5 (4.35%) Data Warehouse
12 5 (4.35%) Flink
12 5 (4.35%) RDBMS
12 5 (4.35%) Spark SQL
13 4 (3.48%) Oracle Database
13 4 (3.48%) Oracle Database 11g
14 2 (1.74%) MariaDB
Development Applications
1 27 (23.48%) Git (software)
2 17 (14.78%) Gradle
3 16 (13.91%) IntelliJ
4 14 (12.17%) Jenkins
5 10 (8.70%) Maven
6 7 (6.09%) Subversion
7 6 (5.22%) Selenium
8 5 (4.35%) Jasmine
8 5 (4.35%) JIRA
8 5 (4.35%) WebDriver
9 4 (3.48%) GitLab
10 2 (1.74%) Cucumber
11 1 (0.87%) Atlassian Bamboo
11 1 (0.87%) Bitbucket
11 1 (0.87%) Capybara
11 1 (0.87%) Gerrit
11 1 (0.87%) Mercurial
11 1 (0.87%) RSpec
11 1 (0.87%) SpecFlow
11 1 (0.87%) TeamCity
General
1 29 (25.22%) Banking
2 22 (19.13%) Finance
3 19 (16.52%) Front Office
4 17 (14.78%) Investment Banking
5 3 (2.61%) Marketing
6 2 (1.74%) Law
7 1 (0.87%) Advertising
7 1 (0.87%) Billing
7 1 (0.87%) Electronics
7 1 (0.87%) Financial Institution
7 1 (0.87%) Manufacturing
7 1 (0.87%) Telecoms
Job Titles
1 83 (72.17%) Developer
2 42 (36.52%) Java Developer
3 25 (21.74%) Scala Developer
4 17 (14.78%) Senior Developer
4 17 (14.78%) Senior Java Developer
5 13 (11.30%) Big Data Developer
6 11 (9.57%) Apache Spark Developer
7 10 (8.70%) Java Scala Developer
8 9 (7.83%) Market Risk Developer
8 9 (7.83%) Market Risk Java Developer
8 9 (7.83%) Senior Market Risk Java Developer
9 7 (6.09%) Cassandra Developer
9 7 (6.09%) Front Office Developer
9 7 (6.09%) Full Stack Developer
9 7 (6.09%) Lead Developer
9 7 (6.09%) Senior Java Scala Developer
9 7 (6.09%) Senior Scala Developer
10 6 (5.22%) Architect
10 6 (5.22%) Digital Developer
10 6 (5.22%) Java Engineer
Libraries, Frameworks & Software Standards
1 35 (30.43%) Kafka
2 32 (27.83%) HTML
3 31 (26.96%) REST
4 30 (26.09%) CSS
5 29 (25.22%) HTML5
5 29 (25.22%) Play Framework
6 26 (22.61%) Akka
7 23 (20.00%) AngularJS
8 22 (19.13%) Node.js
9 20 (17.39%) Web Services
10 18 (15.65%) Ajax
11 17 (14.78%) CSS3
12 16 (13.91%) JSON
13 15 (13.04%) Spring
14 14 (12.17%) Django
14 14 (12.17%) Dropwizard
15 12 (10.43%) Hystrix
15 12 (10.43%) Ruby on Rails
15 12 (10.43%) Scalatra
16 10 (8.70%) jQuery
Miscellaneous
1 13 (11.30%) Equities
2 11 (9.57%) Derivative
2 11 (9.57%) Foreign Exchange (FX)
2 11 (9.57%) Market Risk
3 10 (8.70%) Semantic Web
4 9 (7.83%) Management Information System
5 8 (6.96%) Mathematics
6 6 (5.22%) Algorithms
7 5 (4.35%) Interest Rate Derivative
8 4 (3.48%) Data Centre
8 4 (3.48%) Statistics
9 2 (1.74%) Internet of Things
9 2 (1.74%) Life Science
10 1 (0.87%) Analytical Skills
10 1 (0.87%) Artificial Intelligence
10 1 (0.87%) Computer Science
10 1 (0.87%) Data Integration
10 1 (0.87%) Embedded Systems
10 1 (0.87%) Hedge funds
10 1 (0.87%) Visualisation
Operating Systems
1 15 (13.04%) Linux
2 9 (7.83%) Unix
3 7 (6.09%) Android
3 7 (6.09%) Apple iOS
4 2 (1.74%) Debian
4 2 (1.74%) Mac OS X
4 2 (1.74%) Ubuntu
4 2 (1.74%) Windows
5 1 (0.87%) VyOS
5 1 (0.87%) Windows XP
Processes & Methodologies
1 72 (62.61%) Agile Software Development
2 61 (53.04%) TDD
3 54 (46.96%) Scrum
4 42 (36.52%) BDD
5 36 (31.30%) Kanban
6 28 (24.35%) Continuous Integration
7 26 (22.61%) DevOps
8 23 (20.00%) Open Source
9 22 (19.13%) Pair Programming
9 22 (19.13%) Software Engineering
10 21 (18.26%) Configuration Management
11 17 (14.78%) Automated Testing
11 17 (14.78%) Microservices
12 16 (13.91%) Analytics
13 15 (13.04%) Continuous Delivery
13 15 (13.04%) MVC
13 15 (13.04%) Software Architecture
14 14 (12.17%) Front End Development
14 14 (12.17%) Mentoring
14 14 (12.17%) SOA
Programming Languages
1 76 (66.09%) Java
2 72 (62.61%) Scala
3 31 (26.96%) JavaScript
4 21 (18.26%) Ruby
5 19 (16.52%) SQL
6 17 (14.78%) Python
7 12 (10.43%) Haskell
8 7 (6.09%) PHP
9 6 (5.22%) C#
10 5 (4.35%) Perl
10 5 (4.35%) R
11 4 (3.48%) MATLAB
11 4 (3.48%) PL/SQL
11 4 (3.48%) Shell Script
12 2 (1.74%) Bash Shell
13 1 (0.87%) Apple Swift
13 1 (0.87%) Go
13 1 (0.87%) PowerShell
Qualifications
1 5 (4.35%) Degree
2 3 (2.61%) PhD
Quality Assurance & Compliance
1 21 (18.26%) QA
2 1 (0.87%) Disclosure Scotland
System Software
1 11 (9.57%) Docker
2 8 (6.96%) Apache ZooKeeper
3 7 (6.09%) HDFS
4 2 (1.74%) Apache Flume
4 2 (1.74%) Xen
5 1 (0.87%) NFS
5 1 (0.87%) Virtual Machines
5 1 (0.87%) vSphere
Systems Management
1 6 (5.22%) Puppet
2 5 (4.35%) Hadoop YARN
3 2 (1.74%) Kibana
3 2 (1.74%) logstash
3 2 (1.74%) Nagios
4 1 (0.87%) Ansible
4 1 (0.87%) Marathon
4 1 (0.87%) Mesos
4 1 (0.87%) Opscode Chef
Vendors
1 12 (10.43%) New Relic
2 8 (6.96%) Oracle
3 5 (4.35%) Hortonworks
4 4 (3.48%) Google
5 3 (2.61%) Cisco
5 3 (2.61%) SAP
5 3 (2.61%) Sybase
5 3 (2.61%) Tableau
6 2 (1.74%) Citrix
6 2 (1.74%) Dell
6 2 (1.74%) Percona
7 1 (0.87%) 3PAR
7 1 (0.87%) Brocade
7 1 (0.87%) Canoo
7 1 (0.87%) Cloudera
7 1 (0.87%) Microsoft
7 1 (0.87%) Rackspace
7 1 (0.87%) Teradata
7 1 (0.87%) VMware
7 1 (0.87%) Vyatta
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