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 contractor rates offered in IT contracts that have cited Apache Cassandra over the 3 months to 26 September 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
26 Sep 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 239 290 285
Rank change year-on-year
+51 -5
Contract jobs citing Apache Cassandra 211 145 155
As % of all contract IT jobs located in London 0.92% 0.63% 0.63%
As % of the Database & Business Intelligence category 3.98% 2.63% 2.74%
Number of daily rates quoted 171 114 134
Median daily rate £525 £500 £513
Median daily rate % change year-on-year
+5.00% -2.43%
90% offered a daily rate of more than £400 £369 £379
10% offered a daily rate of more than £650 £614 £775
UK excluding London median daily rate £525 £550 £645
% change year-on-year
-4.54% -14.72%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median 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
5299 5509 5658
As % of all contract IT jobs located in London 23.10% 23.88% 23.08%
Number of daily rates quoted 3743 3923 3918
Median daily rate £475 £450 £425
Median daily rate % change year-on-year
+5.55% +5.88%
90% offered a daily rate of more than £340 £325 £300
10% offered a daily rate of more than £610 £620 £600
UK excluding London median daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 21 32 48
Median hourly rate £32.00 £36.50 £27.50
Median hourly rate % change year-on-year
-12.32% +32.72%
90% offered a hourly rate of more than £20.00 £14.20 £15.14
10% offered a hourly rate of more than £80.50 £44.10 £44.50
UK excluding London median hourly rate £36.07 £33.55 £22.50
% change year-on-year
+7.51% +49.11%

Apache Cassandra
Jobs Demand Trend in London

The demand trend of contract jobs across the 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 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 26 September 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 median contractor rates quoted in IT jobs citing Apache Cassandra within the London region over the 3 months to 26 September 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +45 54 £525 +5.00% 10
Westminster - 3 £425 -
Canary Wharf - 1 - -
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 26 September 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 London region with a requirement for Apache Cassandra.

1 247 (60.10%) Java
2 230 (55.96%) Agile Software Development
3 217 (52.80%) MongoDB
4 200 (48.66%) TDD
5 196 (47.69%) Scala
6 186 (45.26%) NoSQL
7 126 (30.66%) Apache Spark
8 125 (30.41%) Scrum
9 119 (28.95%) Big Data
10 116 (28.22%) Open Source
11 114 (27.74%) REST
12 110 (26.76%) Hadoop
13 99 (24.09%) Ruby
14 98 (23.84%) Linux
14 98 (23.84%) BDD
15 95 (23.11%) Play Framework
16 91 (22.14%) MySQL
17 90 (21.90%) Amazon AWS
18 88 (21.41%) DevOps
19 87 (21.17%) Continuous Integration
20 84 (20.44%) Docker
21 83 (20.19%) Kafka
22 79 (19.22%) Kanban
23 77 (18.73%) HTML
24 74 (18.00%) PostgreSQL
25 72 (17.52%) Web Services
26 71 (17.27%) HTML5
27 69 (16.79%) JavaScript
27 69 (16.79%) Pair Programming
28 68 (16.55%) CSS

Apache Cassandra
Top Related IT Skills in 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
1 126 (30.66%) Apache Spark
2 52 (12.65%) Elasticsearch
3 40 (9.73%) Apache
4 19 (4.62%) Tomcat
5 18 (4.38%) Apache Pig
6 17 (4.14%) Cloud Foundry
7 15 (3.65%) OpenStack
8 13 (3.16%) Oracle Coherence
9 9 (2.19%) Jetty
10 8 (1.95%) JBoss
11 5 (1.22%) Apache Solr
12 4 (0.97%) nginx
13 3 (0.73%) CMS
13 3 (0.73%) SAS
14 2 (0.49%) WildFly
15 1 (0.24%) GemFire
15 1 (0.24%) Oracle Workflow
Applications
1 3 (0.73%) SPSS
Business Applications
1 2 (0.49%) SAP Oil and Gas
Cloud Services
1 90 (21.90%) Amazon AWS
2 21 (5.11%) Microsoft Azure
3 16 (3.89%) Amazon EC2
3 16 (3.89%) AWS CloudFormation
3 16 (3.89%) Cloud Computing
4 13 (3.16%) PaaS
5 10 (2.43%) Amazon S3
6 8 (1.95%) AWS Lambda
6 8 (1.95%) Google Cloud Platform
7 7 (1.70%) Heroku
8 6 (1.46%) GitHub
9 5 (1.22%) Route 53
10 4 (0.97%) AdWords
10 4 (0.97%) Amazon ElastiCache
10 4 (0.97%) Amazon Kinesis
10 4 (0.97%) Amazon SQS
10 4 (0.97%) CloudFront
11 3 (0.73%) Amazon EMR
12 2 (0.49%) SaaS
13 1 (0.24%) Trello
Communications & Networking
1 33 (8.03%) HTTP
2 14 (3.41%) Internet
3 5 (1.22%) MQTT
4 4 (0.97%) Network Security
4 4 (0.97%) SAN
5 3 (0.73%) Firewall
6 2 (0.49%) SSL
6 2 (0.49%) TCP/IP
7 1 (0.24%) DNS
7 1 (0.24%) HTTPS
7 1 (0.24%) Intranet
7 1 (0.24%) Kerberos
7 1 (0.24%) LDAP
Database & Business Intelligence
1 217 (52.80%) MongoDB
2 186 (45.26%) NoSQL
3 119 (28.95%) Big Data
4 110 (26.76%) Hadoop
5 91 (22.14%) MySQL
6 74 (18.00%) PostgreSQL
7 45 (10.95%) Apache Hive
8 43 (10.46%) HBase
9 35 (8.52%) Redis
10 32 (7.79%) Neo4j
11 25 (6.08%) SQL Server
12 23 (5.60%) Amazon DynamoDB
13 22 (5.35%) Relational Database
14 11 (2.68%) Amazon RDS
14 11 (2.68%) Amazon Redshift
14 11 (2.68%) Hazelcast
15 10 (2.43%) Impala
15 10 (2.43%) Riak
16 9 (2.19%) Pentaho
16 9 (2.19%) RDBMS
Development Applications
1 66 (16.06%) Git (software)
2 63 (15.33%) Jenkins
3 43 (10.46%) Gradle
4 42 (10.22%) Maven
5 34 (8.27%) Cucumber
6 21 (5.11%) Hudson
6 21 (5.11%) Subversion
7 17 (4.14%) IntelliJ
8 15 (3.65%) JUnit
9 14 (3.41%) JIRA
10 10 (2.43%) Jasmine
10 10 (2.43%) Mockito
11 7 (1.70%) Gerrit
11 7 (1.70%) Mercurial
11 7 (1.70%) TeamCity
12 6 (1.46%) Selenium
12 6 (1.46%) Talend Open Studio
13 5 (1.22%) RSpec
14 4 (0.97%) Bitbucket
14 4 (0.97%) GitLab
General
1 55 (13.38%) Finance
2 39 (9.49%) Banking
3 24 (5.84%) Front Office
4 21 (5.11%) Investment Banking
5 10 (2.43%) Marketing
6 6 (1.46%) Advertising
7 5 (1.22%) Retail
8 3 (0.73%) Electronics
8 3 (0.73%) Telecoms
9 2 (0.49%) Financial Institution
9 2 (0.49%) Law
9 2 (0.49%) Manufacturing
9 2 (0.49%) Retail Banking
10 1 (0.24%) Publishing
Job Titles
1 233 (56.69%) Developer
2 122 (29.68%) Java Developer
3 63 (15.33%) Scala Developer
4 56 (13.63%) Architect
5 43 (10.46%) Senior Developer
6 40 (9.73%) DevOps Engineer
7 35 (8.52%) Agile Developer
8 33 (8.03%) Big Data Developer
9 30 (7.30%) Senior Java Developer
10 26 (6.33%) Agile Java Developer
10 26 (6.33%) AWS Developer
10 26 (6.33%) Technical Architect
11 25 (6.08%) Apache Spark Developer
12 24 (5.84%) Java Scala Developer
13 20 (4.87%) Data Engineer
14 17 (4.14%) Cassandra Developer
14 17 (4.14%) NoSQL Developer
14 17 (4.14%) Senior Scala Developer
15 16 (3.89%) Big Data Architect
15 16 (3.89%) Data Architect
Libraries, Frameworks & Software Standards
1 114 (27.74%) REST
2 95 (23.11%) Play Framework
3 83 (20.19%) Kafka
4 77 (18.73%) HTML
5 72 (17.52%) Web Services
6 71 (17.27%) HTML5
7 68 (16.55%) CSS
8 67 (16.30%) Akka
9 61 (14.84%) Spring
10 51 (12.41%) JSON
11 50 (12.17%) Ajax
11 50 (12.17%) Django
12 48 (11.68%) Ruby on Rails
13 45 (10.95%) CSS3
14 42 (10.22%) Node.js
15 39 (9.49%) RabbitMQ
15 39 (9.49%) RESTful
16 35 (8.52%) AngularJS
17 27 (6.57%) spray
18 22 (5.35%) jQuery
Miscellaneous
1 17 (4.14%) Semantic Web
2 14 (3.41%) Management Information System
3 12 (2.92%) Algorithms
3 12 (2.92%) Data Centre
3 12 (2.92%) Data Structures
4 11 (2.68%) Equities
5 10 (2.43%) Derivative
5 10 (2.43%) Foreign Exchange (FX)
5 10 (2.43%) Market Risk
6 9 (2.19%) Computer Science
6 9 (2.19%) User Experience
7 7 (1.70%) Fixed Income
7 7 (1.70%) Visualisation
8 6 (1.46%) Analytical Skills
9 5 (1.22%) Hedge funds
9 5 (1.22%) Interest Rate Derivative
9 5 (1.22%) Internet of Things
10 4 (0.97%) Credit Risk
10 4 (0.97%) Fintech
10 4 (0.97%) Performance Metrics
Operating Systems
1 98 (23.84%) Linux
2 48 (11.68%) Unix
3 15 (3.65%) Windows
4 4 (0.97%) Ubuntu
4 4 (0.97%) VyOS
5 3 (0.73%) Red Hat Enterprise Linux
6 2 (0.49%) CentOS
6 2 (0.49%) Debian
6 2 (0.49%) Mac OS X
7 1 (0.24%) Android
7 1 (0.24%) Apple iOS
7 1 (0.24%) Oracle Linux
7 1 (0.24%) SUSE
7 1 (0.24%) Windows Server 2012
7 1 (0.24%) Windows XP
Processes & Methodologies
1 230 (55.96%) Agile Software Development
2 200 (48.66%) TDD
3 125 (30.41%) Scrum
4 116 (28.22%) Open Source
5 98 (23.84%) BDD
6 88 (21.41%) DevOps
7 87 (21.17%) Continuous Integration
8 79 (19.22%) Kanban
9 69 (16.79%) Pair Programming
10 67 (16.30%) Microservices
11 62 (15.09%) Configuration Management
12 61 (14.84%) OO
13 54 (13.14%) Software Engineering
14 44 (10.71%) Continuous Delivery
15 41 (9.98%) Mentoring
15 41 (9.98%) Multithreading
16 38 (9.25%) Prototyping
17 35 (8.52%) SOA
18 33 (8.03%) Software Architecture
19 30 (7.30%) MVC
Programming Languages
1 247 (60.10%) Java
2 196 (47.69%) Scala
3 99 (24.09%) Ruby
4 69 (16.79%) JavaScript
5 66 (16.06%) Python
6 48 (11.68%) SQL
7 24 (5.84%) C#
8 23 (5.60%) Go
8 23 (5.60%) PHP
9 18 (4.38%) Perl
10 12 (2.92%) R
11 11 (2.68%) Shell Script
12 10 (2.43%) Bash Shell
13 8 (1.95%) C
13 8 (1.95%) Clojure
13 8 (1.95%) Haskell
13 8 (1.95%) PL/SQL
14 7 (1.70%) F#
15 6 (1.46%) Groovy
16 5 (1.22%) C++
Qualifications
1 9 (2.19%) Degree
1 9 (2.19%) Security Cleared
2 3 (0.73%) BPSS Clearance
3 1 (0.24%) DV Cleared
3 1 (0.24%) RHCSA
3 1 (0.24%) SC Cleared
Quality Assurance & Compliance
1 23 (5.60%) QA
2 3 (0.73%) Disclosure Scotland
3 1 (0.24%) Dodd-Frank
3 1 (0.24%) EMIR
3 1 (0.24%) GCP
3 1 (0.24%) MiFID
3 1 (0.24%) SDET
System Software
1 84 (20.44%) Docker
2 17 (4.14%) Apache Flume
3 15 (3.65%) Apache ZooKeeper
3 15 (3.65%) HDFS
4 10 (2.43%) Virtual Machines
5 8 (1.95%) vSphere
6 7 (1.70%) Platform Symphony
7 6 (1.46%) LXC
8 5 (1.22%) VMware Infrastructure
9 4 (0.97%) etcd
9 4 (0.97%) NFS
10 2 (0.49%) KVM
11 1 (0.24%) Active Directory
11 1 (0.24%) Hyper-V
11 1 (0.24%) vCloud
11 1 (0.24%) Veritas Cluster Server
11 1 (0.24%) Veritas Volume Manager
11 1 (0.24%) VMware ESX
Systems Management
1 50 (12.17%) Puppet
2 40 (9.73%) Ansible
3 37 (9.00%) Opscode Chef
4 11 (2.68%) Nagios
5 8 (1.95%) Red Hat Spacewalk
5 8 (1.95%) Terraform
6 7 (1.70%) FreeIPA
6 7 (1.70%) Icinga
7 4 (0.97%) Consul
7 4 (0.97%) Mesos
7 4 (0.97%) Oozie
8 3 (0.73%) Kubernetes
9 2 (0.49%) Grafana
9 2 (0.49%) Kibana
9 2 (0.49%) logstash
10 1 (0.24%) Ambari
10 1 (0.24%) HAProxy
10 1 (0.24%) NetBackup
10 1 (0.24%) StatsD
10 1 (0.24%) ZABBIX
Vendors
1 36 (8.76%) Oracle
2 15 (3.65%) Cloudera
2 15 (3.65%) Google
3 13 (3.16%) New Relic
4 9 (2.19%) Microsoft
4 9 (2.19%) VMware
5 6 (1.46%) Sybase
5 6 (1.46%) Talend
6 5 (1.22%) DevExpress
6 5 (1.22%) Hortonworks
6 5 (1.22%) Tableau
7 4 (0.97%) 3PAR
7 4 (0.97%) Brocade
7 4 (0.97%) Cisco
7 4 (0.97%) Genesys
7 4 (0.97%) Informatica
7 4 (0.97%) Solace
7 4 (0.97%) Vyatta
8 3 (0.73%) DataSynapse
8 3 (0.73%) SaltStack
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