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 25 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
25 Jul 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 118 185 176
Rank change year-on-year
+67 -9
Contract jobs citing Apache Cassandra 46 26 25
As % of all contract IT jobs located in the City of London 1.35% 0.44% 0.43%
As % of the Database & Business Intelligence category 5.53% 1.69% 1.81%
Number of daily rates quoted 42 22 20
Median daily rate £525 £500 £506
Median daily rate % change year-on-year
+5.00% -1.23%
90% offered a daily rate of more than £400 £403 £418
10% offered a daily rate of more than £675 £550 £604
UK excluding London median daily rate £450 £488 £438
% change year-on-year
-7.69% +11.42%
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
832 1538 1382
As % of all contract IT jobs located in the City of London 24.40% 25.97% 23.82%
Number of daily rates quoted 665 1204 1042
Median daily rate £475 £450 £450
Median daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £340 £325 £325
10% offered a daily rate of more than £607 £615 £575
UK excluding London median daily rate £375 £355 £350
% change year-on-year
+5.63% +1.42%
Number of hourly rates quoted 0 6 6
Median hourly rate - £21.50 £27.50
Median hourly rate % change year-on-year
- -21.81%
UK excluding London median hourly rate £32.00 £28.50 £25.00
% change year-on-year
+12.28% +14.00%

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 25 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 25 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 93 (75.61%) Java
2 88 (71.54%) TDD
3 78 (63.41%) Agile Software Development
4 59 (47.97%) Finance
4 59 (47.97%) NoSQL
5 53 (43.09%) Scrum
6 49 (39.84%) Pair Programming
7 48 (39.02%) MongoDB
8 42 (34.15%) REST
9 41 (33.33%) BDD
10 40 (32.52%) Scala
11 35 (28.46%) Banking
11 35 (28.46%) Web Services
12 34 (27.64%) Amazon AWS
13 30 (24.39%) Linux
14 29 (23.58%) SDLC
15 28 (22.76%) Apache Spark
16 27 (21.95%) Ruby
17 26 (21.14%) Big Data
18 24 (19.51%) Software Engineering
19 23 (18.70%) DevOps
20 22 (17.89%) RabbitMQ
21 21 (17.07%) Hadoop
21 21 (17.07%) Kanban
21 21 (17.07%) Play Framework
21 21 (17.07%) JavaScript
21 21 (17.07%) HTML
22 20 (16.26%) Continuous Integration
22 20 (16.26%) Continuous Delivery
23 19 (15.45%) 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 28 (22.76%) Apache Spark
2 10 (8.13%) OpenStack
3 9 (7.32%) Cloud Foundry
4 7 (5.69%) Elasticsearch
5 3 (2.44%) Apache
6 2 (1.63%) Apache Pig
6 2 (1.63%) Jetty
6 2 (1.63%) Tomcat
7 1 (0.81%) GemFire
7 1 (0.81%) JBoss
7 1 (0.81%) Oracle Coherence
Cloud Services
1 34 (27.64%) Amazon AWS
2 9 (7.32%) Heroku
2 9 (7.32%) Microsoft Azure
2 9 (7.32%) PaaS
3 3 (2.44%) Cloud Computing
3 3 (2.44%) GitHub
4 2 (1.63%) Amazon EC2
4 2 (1.63%) Amazon EMR
5 1 (0.81%) AWS CloudFormation
5 1 (0.81%) SaaS
Communications & Networking
1 4 (3.25%) Network Security
1 4 (3.25%) SAN
2 2 (1.63%) HTTP
2 2 (1.63%) HTTPS
3 1 (0.81%) Internet
Database & Business Intelligence
1 59 (47.97%) NoSQL
2 48 (39.02%) MongoDB
3 26 (21.14%) Big Data
4 21 (17.07%) Hadoop
5 13 (10.57%) MySQL
6 12 (9.76%) PostgreSQL
6 12 (9.76%) Redis
7 8 (6.50%) HBase
8 6 (4.88%) Apache Hive
9 5 (4.07%) Amazon DynamoDB
9 5 (4.07%) SimpleDB
10 4 (3.25%) Data Warehouse
10 4 (3.25%) KNIME
10 4 (3.25%) SQL Server
11 3 (2.44%) Relational Database
12 2 (1.63%) Neo4j
12 2 (1.63%) Oracle Database
12 2 (1.63%) Oracle Database 10g
12 2 (1.63%) Oracle Database 11g
13 1 (0.81%) Couchbase
Development Applications
1 15 (12.20%) Git (software)
2 13 (10.57%) IntelliJ
3 11 (8.94%) Gradle
3 11 (8.94%) Jenkins
4 7 (5.69%) Cucumber
5 6 (4.88%) Jasmine
6 5 (4.07%) JIRA
6 5 (4.07%) Subversion
7 4 (3.25%) GitLab
7 4 (3.25%) Maven
8 2 (1.63%) Selenium
8 2 (1.63%) WebDriver
9 1 (0.81%) Atlassian Bamboo
9 1 (0.81%) Bitbucket
9 1 (0.81%) Gerrit
9 1 (0.81%) JUnit
9 1 (0.81%) Mercurial
9 1 (0.81%) Mockito
9 1 (0.81%) TestNG
9 1 (0.81%) Vagrant
General
1 59 (47.97%) Finance
2 35 (28.46%) Banking
3 5 (4.07%) Front Office
3 5 (4.07%) Investment Banking
4 2 (1.63%) Law
4 2 (1.63%) Marketing
5 1 (0.81%) Advertising
5 1 (0.81%) Publishing
Job Titles
1 94 (76.42%) Developer
2 70 (56.91%) Java Developer
3 32 (26.02%) Agile Developer
3 32 (26.02%) Agile Java Developer
4 18 (14.63%) Scala Developer
5 12 (9.76%) Java Engineer
6 11 (8.94%) AWS Developer
7 10 (8.13%) DevOps Engineer
8 9 (7.32%) Cassandra Developer
9 8 (6.50%) Apache Spark Developer
9 8 (6.50%) Cloud Engineer
10 6 (4.88%) Data Engineer
10 6 (4.88%) Java Scala Developer
11 5 (4.07%) Administrator
11 5 (4.07%) Full Stack Developer
11 5 (4.07%) Senior Developer
11 5 (4.07%) Systems Administrator
12 4 (3.25%) Big Data Developer
12 4 (3.25%) Data Scientist
12 4 (3.25%) Lead Developer
Libraries, Frameworks & Software Standards
1 42 (34.15%) REST
2 35 (28.46%) Web Services
3 22 (17.89%) RabbitMQ
4 21 (17.07%) HTML
4 21 (17.07%) Play Framework
5 19 (15.45%) CSS
6 17 (13.82%) HTML5
6 17 (13.82%) Node.js
7 16 (13.01%) Kafka
8 15 (12.20%) Akka
9 14 (11.38%) Dropwizard
10 13 (10.57%) Ajax
11 9 (7.32%) JSON
12 8 (6.50%) CSS3
12 8 (6.50%) Django
12 8 (6.50%) Hystrix
12 8 (6.50%) Scalatra
13 7 (5.69%) ActiveMQ
13 7 (5.69%) Hibernate
13 7 (5.69%) jQuery
Miscellaneous
1 6 (4.88%) Management Information System
1 6 (4.88%) Semantic Web
2 5 (4.07%) Derivative
2 5 (4.07%) Hedge funds
3 4 (3.25%) Equities
4 3 (2.44%) Algorithms
4 3 (2.44%) Foreign Exchange (FX)
4 3 (2.44%) Market Risk
5 2 (1.63%) Data Structures
5 2 (1.63%) Enterprise Software
5 2 (1.63%) Life Science
5 2 (1.63%) Social Network
6 1 (0.81%) Analytical Skills
6 1 (0.81%) Internet of Things
6 1 (0.81%) Social Media
6 1 (0.81%) Visualisation
Operating Systems
1 30 (24.39%) Linux
2 13 (10.57%) Unix
3 5 (4.07%) Windows
4 4 (3.25%) Android
4 4 (3.25%) Apple iOS
4 4 (3.25%) VyOS
5 2 (1.63%) CentOS
5 2 (1.63%) Mac OS X
6 1 (0.81%) Debian
6 1 (0.81%) Ubuntu
Processes & Methodologies
1 88 (71.54%) TDD
2 78 (63.41%) Agile Software Development
3 53 (43.09%) Scrum
4 49 (39.84%) Pair Programming
5 41 (33.33%) BDD
6 29 (23.58%) SDLC
7 24 (19.51%) Software Engineering
8 23 (18.70%) DevOps
9 21 (17.07%) Kanban
10 20 (16.26%) Continuous Delivery
10 20 (16.26%) Continuous Integration
11 13 (10.57%) Configuration Management
11 13 (10.57%) Open Source
12 12 (9.76%) Mentoring
13 10 (8.13%) Automated Testing
14 9 (7.32%) MVC
14 9 (7.32%) SOA
15 8 (6.50%) Front End Development
15 8 (6.50%) Refactoring
15 8 (6.50%) Web Development
Programming Languages
1 93 (75.61%) Java
2 40 (32.52%) Scala
3 27 (21.95%) Ruby
4 21 (17.07%) JavaScript
5 10 (8.13%) Go
6 7 (5.69%) Python
7 5 (4.07%) Haskell
8 4 (3.25%) PowerShell
8 4 (3.25%) R
9 3 (2.44%) PHP
9 3 (2.44%) SQL
10 2 (1.63%) Bash Shell
10 2 (1.63%) PL/SQL
10 2 (1.63%) Shell Script
11 1 (0.81%) C++
11 1 (0.81%) SPARQL
Qualifications
1 1 (0.81%) DV Cleared
1 1 (0.81%) Security Cleared
Quality Assurance & Compliance
1 13 (10.57%) QA
2 1 (0.81%) Disclosure Scotland
2 1 (0.81%) SLA
System Software
1 9 (7.32%) vSphere
2 8 (6.50%) Docker
3 6 (4.88%) Apache ZooKeeper
4 4 (3.25%) NFS
4 4 (3.25%) Virtual Machines
5 3 (2.44%) HDFS
6 1 (0.81%) Apache Flume
6 1 (0.81%) Hyper-V
6 1 (0.81%) KVM
6 1 (0.81%) VMware ESX
6 1 (0.81%) VMware Infrastructure
Systems Management
1 6 (4.88%) Opscode Chef
2 5 (4.07%) Puppet
3 4 (3.25%) Ansible
4 2 (1.63%) Consul
4 2 (1.63%) Mesos
Vendors
1 8 (6.50%) New Relic
2 7 (5.69%) Oracle
3 5 (4.07%) Sybase
3 5 (4.07%) VMware
4 4 (3.25%) 3PAR
4 4 (3.25%) Brocade
4 4 (3.25%) Cisco
4 4 (3.25%) Cloudera
4 4 (3.25%) RapidMiner
4 4 (3.25%) Vyatta
5 2 (1.63%) Google
5 2 (1.63%) Red Hat
6 1 (0.81%) DataSynapse
6 1 (0.81%) Microsoft
6 1 (0.81%) Rackspace
6 1 (0.81%) Splunk
6 1 (0.81%) Tableau
6 1 (0.81%) TIBCO