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 29 May 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
29 May 2016
Same period 2015 Same period 2014
Apache Cassandra
Rank 227 333 274
Rank change year-on-year
+106 -59
Contract jobs citing Apache Cassandra 206 92 152
As % of all contract IT jobs located in London 0.95% 0.40% 0.66%
As % of the Database & Business Intelligence category 4.08% 1.69% 2.86%
Number of daily rates quoted 177 65 123
Median daily rate £525 £513 £500
Median daily rate % change year-on-year
+2.43% +2.50%
90% offered a daily rate of more than £474 £360 £437
10% offered a daily rate of more than £650 £615 £650
UK excluding London median daily rate £425 £600 £525
% change year-on-year
-29.16% +14.28%
Number of hourly rates quoted 0 1 0
Median hourly rate - £92.50 -
UK excluding London median hourly rate £55.00 - -
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
5047 5448 5319
As % of all contract IT jobs located in London 23.20% 23.72% 23.04%
Number of daily rates quoted 3691 3797 3766
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 £325 £300 £300
10% offered a daily rate of more than £625 £600 £575
UK excluding London median daily rate £390 £363 £350
% change year-on-year
+7.58% +3.57%
Number of hourly rates quoted 30 48 26
Median hourly rate £24.00 £22.83 £27.50
Median hourly rate % change year-on-year
+5.12% -16.98%
90% offered a hourly rate of more than £17.20 £15.81 £10.90
10% offered a hourly rate of more than £99.00 £80.00 £125.00
UK excluding London median hourly rate £33.50 £26.00 £31.50
% change year-on-year
+28.84% -17.46%

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 29 May 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 29 May 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 +67 46 £538 +4.87% 11
Canary Wharf - 1 - -
Apache Cassandra
England

Apache Cassandra
Top 30 Related IT Skills in London

For the 6 months to 29 May 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.

1 388 (74.33%) Java
2 348 (66.67%) Agile Software Development
3 307 (58.81%) NoSQL
4 298 (57.09%) TDD
5 217 (41.57%) MongoDB
6 202 (38.70%) Scrum
7 190 (36.40%) Pair Programming
8 179 (34.29%) Scala
9 167 (31.99%) REST
10 157 (30.08%) BDD
11 148 (28.35%) Continuous Integration
12 138 (26.44%) Finance
13 131 (25.10%) Amazon AWS
14 123 (23.56%) Web Services
15 120 (22.99%) Linux
16 119 (22.80%) Big Data
17 115 (22.03%) Spring
18 114 (21.84%) Hadoop
19 108 (20.69%) Jenkins
20 107 (20.50%) Apache Spark
21 105 (20.11%) Docker
22 104 (19.92%) Kafka
23 102 (19.54%) Python
24 95 (18.20%) Software Engineering
25 87 (16.67%) Banking
26 83 (15.90%) Multithreading
27 82 (15.71%) Open Source
27 82 (15.71%) Ruby
27 82 (15.71%) DevOps
28 81 (15.52%) Cucumber

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
1 107 (20.50%) Apache Spark
2 63 (12.07%) Tomcat
3 56 (10.73%) Apache
4 51 (9.77%) Node.js
5 40 (7.66%) Jetty
6 30 (5.75%) Elasticsearch
7 25 (4.79%) Apache Pig
7 25 (4.79%) OpenStack
8 21 (4.02%) Cloud Foundry
9 12 (2.30%) JBoss
10 8 (1.53%) Oracle Coherence
11 7 (1.34%) IIS
12 6 (1.15%) nginx
13 5 (0.96%) Apache Solr
13 5 (0.96%) Oracle HTTP Server
14 3 (0.57%) Gunicorn
14 3 (0.57%) uWSGI
15 2 (0.38%) Confluence
15 2 (0.38%) GemFire
15 2 (0.38%) Mule
Business Applications
1 5 (0.96%) SAP Oil and Gas
2 1 (0.19%) Summit
Cloud Services
1 131 (25.10%) Amazon AWS
2 32 (6.13%) AWS CloudFormation
3 24 (4.60%) Microsoft Azure
4 23 (4.41%) Amazon EC2
5 17 (3.26%) Heroku
6 16 (3.07%) Amazon S3
6 16 (3.07%) PaaS
7 15 (2.87%) GitHub
8 12 (2.30%) Google Cloud Platform
9 11 (2.11%) Amazon Glacier
9 11 (2.11%) Virtual Private Cloud
10 4 (0.77%) AdWords
10 4 (0.77%) Cloud Computing
10 4 (0.77%) IaaS
11 3 (0.57%) Amazon EMR
11 3 (0.57%) SaaS
12 2 (0.38%) Amazon SQS
12 2 (0.38%) AWS Lambda
13 1 (0.19%) Amazon Kinesis
13 1 (0.19%) AWS Elastic Beanstalk
Communications & Networking
1 72 (13.79%) HTTP
2 29 (5.56%) TCP/IP
3 18 (3.45%) Internet
4 6 (1.15%) DNS
5 5 (0.96%) IMAP
5 5 (0.96%) Network Security
5 5 (0.96%) SAN
5 5 (0.96%) SMTP
5 5 (0.96%) SNMP
6 4 (0.77%) HTTPS
7 2 (0.38%) Intranet
8 1 (0.19%) Firewall
8 1 (0.19%) SSL
Database & Business Intelligence
1 307 (58.81%) NoSQL
2 217 (41.57%) MongoDB
3 119 (22.80%) Big Data
4 114 (21.84%) Hadoop
5 59 (11.30%) MySQL
6 58 (11.11%) HBase
7 52 (9.96%) PostgreSQL
8 50 (9.58%) Apache Hive
9 43 (8.24%) Neo4j
10 39 (7.47%) SQL Server
11 35 (6.70%) Redis
12 28 (5.36%) Relational Database
13 20 (3.83%) Amazon DynamoDB
14 19 (3.64%) Amazon RDS
15 18 (3.45%) Hazelcast
16 13 (2.49%) Oracle Database
17 11 (2.11%) Couchbase
18 10 (1.92%) CouchDB
18 10 (1.92%) Pentaho
19 9 (1.72%) Amazon Redshift
Development Applications
1 108 (20.69%) Jenkins
2 81 (15.52%) Cucumber
3 76 (14.56%) Maven
4 75 (14.37%) Gradle
5 64 (12.26%) Git (software)
6 56 (10.73%) JUnit
6 56 (10.73%) Mockito
7 37 (7.09%) Subversion
8 26 (4.98%) Hudson
9 22 (4.21%) JMeter
10 17 (3.26%) JIRA
11 13 (2.49%) IntelliJ
12 11 (2.11%) Jasmine
12 11 (2.11%) TestNG
13 8 (1.53%) Selenium
14 6 (1.15%) CruiseControl
14 6 (1.15%) MSBuild
14 6 (1.15%) NUnit
14 6 (1.15%) TeamCity
14 6 (1.15%) Visual Studio
General
1 138 (26.44%) Finance
2 87 (16.67%) Banking
3 26 (4.98%) Front Office
4 19 (3.64%) Marketing
5 13 (2.49%) Investment Banking
6 10 (1.92%) Telecoms
7 9 (1.72%) Retail
8 6 (1.15%) Electronics
8 6 (1.15%) Games
9 5 (0.96%) International Banking
9 5 (0.96%) Manufacturing
10 4 (0.77%) Advertising
11 3 (0.57%) Financial Institution
11 3 (0.57%) Spanish Language
12 2 (0.38%) Law
12 2 (0.38%) Publishing
12 2 (0.38%) Retail Banking
12 2 (0.38%) Wholesale Banking
Job Titles
1 379 (72.61%) Developer
2 253 (48.47%) Java Developer
3 132 (25.29%) Agile Developer
4 122 (23.37%) Agile Java Developer
5 69 (13.22%) Scala Developer
6 48 (9.20%) Senior Developer
7 45 (8.62%) Architect
8 38 (7.28%) NoSQL Developer
9 37 (7.09%) Senior Java Developer
10 33 (6.32%) DevOps Engineer
11 30 (5.75%) Big Data Developer
12 28 (5.36%) C# Developer
13 27 (5.17%) Java Scala Developer
14 24 (4.60%) AWS Developer
15 20 (3.83%) Administrator
16 19 (3.64%) Hadoop Developer
16 19 (3.64%) Java Engineer
16 19 (3.64%) Systems Administrator
17 18 (3.45%) AWS Engineer
17 18 (3.45%) Technical Architect
Libraries, Frameworks & Software Standards
1 167 (31.99%) REST
2 123 (23.56%) Web Services
3 115 (22.03%) Spring
4 104 (19.92%) Kafka
5 74 (14.18%) Akka
6 61 (11.69%) HTML
7 60 (11.49%) Play Framework
8 54 (10.34%) .NET
9 53 (10.15%) Dropwizard
9 53 (10.15%) RESTful
10 51 (9.77%) CSS
11 49 (9.39%) RabbitMQ
12 41 (7.85%) spray
13 34 (6.51%) AngularJS
14 33 (6.32%) HTML5
15 31 (5.94%) Guice
16 30 (5.75%) JSON
17 28 (5.36%) JAX-RS
17 28 (5.36%) XML
18 26 (4.98%) SOAP
Miscellaneous
1 17 (3.26%) Computer Science
2 12 (2.30%) Clustering
3 11 (2.11%) Algorithms
3 11 (2.11%) Hedge funds
4 10 (1.92%) Analytical Skills
5 9 (1.72%) Foreign Exchange (FX)
5 9 (1.72%) STB
6 7 (1.34%) Data Centre
6 7 (1.34%) Data Structures
6 7 (1.34%) Enterprise Software
6 7 (1.34%) Mainframe
7 6 (1.15%) Fintech
7 6 (1.15%) Performance Metrics
7 6 (1.15%) Social Media
8 5 (0.96%) Credit Risk
8 5 (0.96%) Grid Computing
8 5 (0.96%) Mobile App
8 5 (0.96%) N-Tier
8 5 (0.96%) User Experience
9 4 (0.77%) Equities
Operating Systems
1 120 (22.99%) Linux
2 72 (13.79%) Unix
3 21 (4.02%) Debian
3 21 (4.02%) Windows
4 16 (3.07%) CentOS
5 10 (1.92%) Apple iOS
6 9 (1.72%) Android
6 9 (1.72%) Ubuntu
7 7 (1.34%) Red Hat Enterprise Linux
8 6 (1.15%) Mac OS X
9 5 (0.96%) VyOS
Processes & Methodologies
1 348 (66.67%) Agile Software Development
2 298 (57.09%) TDD
3 202 (38.70%) Scrum
4 190 (36.40%) Pair Programming
5 157 (30.08%) BDD
6 148 (28.35%) Continuous Integration
7 95 (18.20%) Software Engineering
8 83 (15.90%) Multithreading
9 82 (15.71%) DevOps
9 82 (15.71%) Open Source
10 78 (14.94%) SDLC
11 70 (13.41%) OO
12 57 (10.92%) Kanban
13 54 (10.34%) Microservices
14 42 (8.05%) Continuous Delivery
14 42 (8.05%) Unit Testing
15 37 (7.09%) High Availability
16 33 (6.32%) Concurrent Programming
17 31 (5.94%) Mentoring
18 28 (5.36%) Analytics
Programming Languages
1 388 (74.33%) Java
2 179 (34.29%) Scala
3 102 (19.54%) Python
4 82 (15.71%) Ruby
5 78 (14.94%) SQL
6 68 (13.03%) JavaScript
7 43 (8.24%) C#
8 32 (6.13%) Go
9 30 (5.75%) Bash Shell
10 21 (4.02%) Groovy
11 20 (3.83%) PHP
12 16 (3.07%) R
13 14 (2.68%) Clojure
14 12 (2.30%) Perl
15 8 (1.53%) Haskell
16 7 (1.34%) Erlang
16 7 (1.34%) XAML
17 6 (1.15%) F#
17 6 (1.15%) PowerShell
18 5 (0.96%) C++
Qualifications
1 29 (5.56%) Degree
2 12 (2.30%) Security Cleared
3 2 (0.38%) DV Cleared
3 2 (0.38%) SC Cleared
4 1 (0.19%) BPSS Clearance
Quality Assurance & Compliance
1 33 (6.32%) QA
2 13 (2.49%) SLA
3 4 (0.77%) PCI DSS
4 2 (0.38%) Disclosure Scotland
5 1 (0.19%) Data Quality
System Software
1 105 (20.11%) Docker
2 16 (3.07%) Apache Flume
3 14 (2.68%) vSphere
4 10 (1.92%) NFS
4 10 (1.92%) VMware Infrastructure
5 6 (1.15%) HDFS
6 4 (0.77%) Apache ZooKeeper
6 4 (0.77%) etcd
7 3 (0.57%) KVM
8 2 (0.38%) Hyper-V
8 2 (0.38%) Platform Symphony
8 2 (0.38%) VMware ESX
Systems Management
1 47 (9.00%) Opscode Chef
2 46 (8.81%) Puppet
3 23 (4.41%) Ansible
4 16 (3.07%) Graphite
5 8 (1.53%) Terraform
6 6 (1.15%) HAProxy
6 6 (1.15%) Nagios
7 5 (0.96%) Mesos
7 5 (0.96%) Oozie
8 4 (0.77%) Bacula
8 4 (0.77%) Cacti
8 4 (0.77%) Hadoop YARN
8 4 (0.77%) Kubernetes
9 1 (0.19%) Riemann
9 1 (0.19%) ZABBIX
Vendors
1 36 (6.90%) Oracle
2 22 (4.21%) SOASTA, Inc
3 19 (3.64%) Google
4 17 (3.26%) Cloudera
5 16 (3.07%) Microsoft
6 15 (2.87%) VMware
7 12 (2.30%) Hortonworks
8 7 (1.34%) Greenplum
8 7 (1.34%) Red Hat
9 6 (1.15%) Cisco
9 6 (1.15%) DataSynapse
9 6 (1.15%) IBM
9 6 (1.15%) Informatica
9 6 (1.15%) Talend
9 6 (1.15%) TIBCO
9 6 (1.15%) Vyatta
10 5 (0.96%) 3PAR
10 5 (0.96%) Brocade
10 5 (0.96%) SAP
11 4 (0.77%) Tableau
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Rate: £500 - £575 per day + Negotiable
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Rate: From £550 to £600 per day
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