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 21 February 2017 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
21 Feb 2017
Same period 2016 Same period 2015
Apache Cassandra
London / City of London
Rank 105 71 166
Rank change year-on-year
-34 +95
Contract jobs citing Apache Cassandra 49 86 25
As % of all contract IT jobs located in the City of London 1.66% 2.74% 0.49%
As % of the Database & Business Intelligence category 6.00% 9.98% 2.05%
Number of daily rates quoted 49 83 23
Median daily rate £550 £525 £475
Median daily rate % change year-on-year
+4.76% +10.52%
90% offered a daily rate of more than £495 £450 £297
10% offered a daily rate of more than £650 £560 £615
UK excluding London median daily rate £450 £500 £475
% change year-on-year
-10.00% +5.26%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
817 862 1220
As % of all contract IT jobs located in the City of London 27.70% 27.46% 23.78%
Number of daily rates quoted 660 692 959
Median daily rate £475 £475 £430
Median daily rate % change year-on-year
- +10.46%
90% offered a daily rate of more than £350 £340 £300
10% offered a daily rate of more than £625 £600 £596
UK excluding London median daily rate £400 £375 £370
% change year-on-year
+6.66% +1.35%
Number of hourly rates quoted 1 2 4
Median hourly rate £22.34 £55.00 £24.23
Median hourly rate % change year-on-year
-59.39% +126.99%
UK excluding London median hourly rate £38.00 £32.50 £32.50
% change year-on-year
+16.92% -

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 21 February 2017.

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 21 February 2017, 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 74 (67.89%) Java
2 65 (59.63%) Agile Software Development
3 61 (55.96%) Scala
4 60 (55.05%) TDD
5 53 (48.62%) NoSQL
6 43 (39.45%) Big Data
7 42 (38.53%) Apache Spark
8 40 (36.70%) BDD
8 40 (36.70%) MongoDB
8 40 (36.70%) Scrum
9 34 (31.19%) Banking
10 33 (30.28%) Kafka
11 32 (29.36%) Hadoop
12 30 (27.52%) JavaScript
13 29 (26.61%) Akka
14 28 (25.69%) DevOps
15 27 (24.77%) Microservices
16 26 (23.85%) REST
16 26 (23.85%) Kanban
17 25 (22.94%) Software Engineering
18 23 (21.10%) Linux
19 22 (20.18%) SQL
19 22 (20.18%) Finance
19 22 (20.18%) Open Source
19 22 (20.18%) HBase
20 21 (19.27%) Continuous Integration
20 21 (19.27%) HTML
21 20 (18.35%) Git (software)
22 18 (16.51%) Front Office
22 18 (16.51%) Spring

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 42 (38.53%) Apache Spark
2 15 (13.76%) Apache
2 15 (13.76%) Apache Pig
3 5 (4.59%) Confluence
3 5 (4.59%) Elasticsearch
4 4 (3.67%) Jetty
4 4 (3.67%) nginx
4 4 (3.67%) Oracle Coherence
5 3 (2.75%) Apache Solr
6 1 (0.92%) Cloud Foundry
6 1 (0.92%) JBoss
6 1 (0.92%) Jupyter
6 1 (0.92%) OpenStack
6 1 (0.92%) WildFly
Applications
1 1 (0.92%) MS Excel
1 1 (0.92%) SPSS
1 1 (0.92%) Weka
Business Applications
1 1 (0.92%) SAP Oil and Gas
Cloud Services
1 13 (11.93%) Amazon AWS
2 5 (4.59%) Slack
3 4 (3.67%) Microsoft Azure
4 3 (2.75%) AWS CloudFormation
4 3 (2.75%) GitHub
5 1 (0.92%) Cloud Computing
5 1 (0.92%) Heroku
5 1 (0.92%) PaaS
Communications & Networking
1 6 (5.50%) Firewall
2 5 (4.59%) HTTP
3 3 (2.75%) Network Security
4 1 (0.92%) Internet
4 1 (0.92%) SNMP
Database & Business Intelligence
1 53 (48.62%) NoSQL
2 43 (39.45%) Big Data
3 40 (36.70%) MongoDB
4 32 (29.36%) Hadoop
5 22 (20.18%) HBase
6 17 (15.60%) PostgreSQL
7 14 (12.84%) Apache Hive
7 14 (12.84%) MySQL
8 10 (9.17%) Data Lake
9 9 (8.26%) Neo4j
9 9 (8.26%) Relational Database
10 8 (7.34%) SQL Server
11 7 (6.42%) Data Warehouse
12 6 (5.50%) RDBMS
13 5 (4.59%) Flink
14 4 (3.67%) Redis
14 4 (3.67%) Spark SQL
15 2 (1.83%) Amazon DynamoDB
15 2 (1.83%) MariaDB
15 2 (1.83%) Sqoop
Development Applications
1 20 (18.35%) Git (software)
2 15 (13.76%) Jenkins
3 7 (6.42%) Jasmine
3 7 (6.42%) JIRA
3 7 (6.42%) JUnit
4 6 (5.50%) Gradle
4 6 (5.50%) IntelliJ
5 5 (4.59%) Cucumber
5 5 (4.59%) Maven
5 5 (4.59%) Selenium
5 5 (4.59%) Subversion
6 4 (3.67%) WebDriver
7 2 (1.83%) TeamCity
8 1 (0.92%) Atlassian Bamboo
8 1 (0.92%) Capybara
8 1 (0.92%) EasyMock
8 1 (0.92%) Mockito
8 1 (0.92%) NUnit
8 1 (0.92%) SpecFlow
8 1 (0.92%) Team Foundation Server
General
1 34 (31.19%) Banking
2 22 (20.18%) Finance
3 18 (16.51%) Front Office
4 15 (13.76%) Investment Banking
5 1 (0.92%) Billing
5 1 (0.92%) Electronics
5 1 (0.92%) Financial Institution
5 1 (0.92%) Manufacturing
5 1 (0.92%) Marketing
5 1 (0.92%) Retail
5 1 (0.92%) Telecoms
Job Titles
1 75 (68.81%) Developer
2 45 (41.28%) Java Developer
3 27 (24.77%) Scala Developer
4 15 (13.76%) Senior Developer
5 14 (12.84%) Senior Java Developer
6 10 (9.17%) Java Scala Developer
7 9 (8.26%) Big Data Developer
7 9 (8.26%) Market Risk Developer
7 9 (8.26%) Market Risk Java Developer
7 9 (8.26%) Senior Market Risk Java Developer
8 8 (7.34%) Apache Spark Developer
8 8 (7.34%) DevOps Engineer
9 6 (5.50%) Cassandra Developer
9 6 (5.50%) Digital Developer
9 6 (5.50%) Senior Scala Developer
10 5 (4.59%) Architect
10 5 (4.59%) Senior Java Scala Developer
11 4 (3.67%) QA Engineer
11 4 (3.67%) Senior Test Engineer
11 4 (3.67%) Test Engineer
Libraries, Frameworks & Software Standards
1 33 (30.28%) Kafka
2 29 (26.61%) Akka
3 26 (23.85%) REST
4 21 (19.27%) HTML
5 18 (16.51%) Spring
6 16 (14.68%) AngularJS
6 16 (14.68%) CSS
6 16 (14.68%) HTML5
7 15 (13.76%) Node.js
8 14 (12.84%) Play Framework
9 10 (9.17%) CSS3
9 10 (9.17%) Web Services
10 9 (8.26%) Ajax
10 9 (8.26%) jQuery
11 8 (7.34%) Dropwizard
11 8 (7.34%) JSON
12 7 (6.42%) Apache Camel
13 6 (5.50%) Django
13 6 (5.50%) Spring MVC
13 6 (5.50%) WPF
Miscellaneous
1 11 (10.09%) Equities
2 10 (9.17%) Derivative
2 10 (9.17%) Foreign Exchange (FX)
3 9 (8.26%) Market Risk
4 5 (4.59%) Algorithms
4 5 (4.59%) Client/Server
5 4 (3.67%) Data Centre
5 4 (3.67%) Interest Rate Derivative
5 4 (3.67%) Semantic Web
6 3 (2.75%) Management Information System
7 2 (1.83%) Public Cloud
8 1 (0.92%) Analytical Skills
8 1 (0.92%) Clustering
8 1 (0.92%) Computer Science
8 1 (0.92%) Embedded Systems
8 1 (0.92%) Enterprise Cloud
8 1 (0.92%) Fixed Income
8 1 (0.92%) Internet of Things
8 1 (0.92%) User Experience
Operating Systems
1 23 (21.10%) Linux
2 13 (11.93%) Unix
3 10 (9.17%) Android
3 10 (9.17%) Apple iOS
4 5 (4.59%) Red Hat Enterprise Linux
5 3 (2.75%) Debian
5 3 (2.75%) Mac OS X
5 3 (2.75%) Ubuntu
6 1 (0.92%) CentOS
6 1 (0.92%) Windows
6 1 (0.92%) Windows XP
Processes & Methodologies
1 65 (59.63%) Agile Software Development
2 60 (55.05%) TDD
3 40 (36.70%) BDD
3 40 (36.70%) Scrum
4 28 (25.69%) DevOps
5 27 (24.77%) Microservices
6 26 (23.85%) Kanban
7 25 (22.94%) Software Engineering
8 22 (20.18%) Open Source
9 21 (19.27%) Continuous Integration
10 16 (14.68%) Analytics
11 15 (13.76%) Mentoring
12 13 (11.93%) Configuration Management
13 12 (11.01%) MVC
13 12 (11.01%) Pair Programming
14 11 (10.09%) MapReduce
14 11 (10.09%) Risk Management
15 10 (9.17%) Mathematics
15 10 (9.17%) Multithreading
16 9 (8.26%) Automated Testing
Programming Languages
1 74 (67.89%) Java
2 61 (55.96%) Scala
3 30 (27.52%) JavaScript
4 22 (20.18%) SQL
5 17 (15.60%) Python
6 13 (11.93%) Ruby
7 9 (8.26%) C#
7 9 (8.26%) Haskell
8 5 (4.59%) MATLAB
8 5 (4.59%) Perl
8 5 (4.59%) PHP
8 5 (4.59%) R
9 4 (3.67%) Bash Shell
10 2 (1.83%) Kotlin
10 2 (1.83%) Shell Script
11 1 (0.92%) Apple Swift
11 1 (0.92%) Go
11 1 (0.92%) PL/SQL
Qualifications
1 5 (4.59%) Degree
2 4 (3.67%) PhD
Quality Assurance & Compliance
1 11 (10.09%) QA
System Software
1 13 (11.93%) Docker
2 8 (7.34%) HDFS
3 5 (4.59%) Apache ZooKeeper
4 3 (2.75%) Xen
5 2 (1.83%) Apache Flume
6 1 (0.92%) vSphere
Systems Management
1 10 (9.17%) Puppet
2 6 (5.50%) Hadoop YARN
3 4 (3.67%) Opscode Chef
4 3 (2.75%) Kibana
4 3 (2.75%) logstash
4 3 (2.75%) Nagios
5 2 (1.83%) Kubernetes
6 1 (0.92%) Marathon
6 1 (0.92%) Mesos
6 1 (0.92%) Rancher
Vendors
1 6 (5.50%) Hortonworks
2 5 (4.59%) New Relic
2 5 (4.59%) Red Hat
3 3 (2.75%) Cisco
3 3 (2.75%) Citrix
3 3 (2.75%) Dell
3 3 (2.75%) Oracle
3 3 (2.75%) SAP
3 3 (2.75%) Tableau
4 2 (1.83%) Cloudera
4 2 (1.83%) Microsoft
4 2 (1.83%) Percona
5 1 (0.92%) Apigee
5 1 (0.92%) Canoo
5 1 (0.92%) Google
5 1 (0.92%) MapR
5 1 (0.92%) Sybase
5 1 (0.92%) Teradata
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