The table below looks at the statistics for Riak skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited Riak 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
Riak
Rank 431 417 401
Rank change year-on-year
-14 -16
Contract jobs citing Riak 9 17 37
As % of all contract IT jobs located in London 0.039% 0.074% 0.15%
As % of the Database & Business Intelligence category 0.17% 0.31% 0.65%
Number of daily rates quoted 6 12 35
Median daily rate £500 £463 £775
Median daily rate % change year-on-year
+8.10% -40.32%
UK excluding London median daily rate £400 - £388
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Riak
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%

Riak
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing Riak as a proportion of all IT contracts with a match in the Database & Business Intelligence category.

Riak Jobs Demand Trend in London

Riak
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Riak across the London region.

Riak Daily Rate Trend in London

Riak
Top 30 Related IT Skills in London

For the 6 months to 26 September 2016, IT contractor jobs citing Riak 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 Riak.

1 10 (90.91%) MongoDB
1 10 (90.91%) Apache Cassandra
2 7 (63.64%) Open Source
2 7 (63.64%) Node.js
2 7 (63.64%) Opscode Chef
3 6 (54.55%) NoSQL
3 6 (54.55%) JavaScript
4 5 (45.45%) Software Engineering
4 5 (45.45%) RESTful
5 4 (36.36%) CouchDB
5 4 (36.36%) Continuous Integration
5 4 (36.36%) Automated Testing
5 4 (36.36%) Puppet
5 4 (36.36%) Big Data
5 4 (36.36%) Agile Software Development
5 4 (36.36%) HTTP
5 4 (36.36%) Docker
5 4 (36.36%) DevOps
6 3 (27.27%) Mentoring
6 3 (27.27%) Don't repeat yourself (DRY)
6 3 (27.27%) Java
6 3 (27.27%) TDD
6 3 (27.27%) CruiseControl
6 3 (27.27%) Jenkins
6 3 (27.27%) Hadoop
7 2 (18.18%) Git (software)
7 2 (18.18%) HTML5
7 2 (18.18%) AngularJS
7 2 (18.18%) CSS3
7 2 (18.18%) CMS

Riak
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 2 (18.18%) CMS
2 1 (9.09%) Apache Spark
Cloud Services
1 1 (9.09%) Amazon AWS
1 1 (9.09%) AWS CloudFormation
1 1 (9.09%) GitHub
Communications & Networking
1 4 (36.36%) HTTP
2 1 (9.09%) Internet
Database & Business Intelligence
1 10 (90.91%) Apache Cassandra
1 10 (90.91%) MongoDB
2 6 (54.55%) NoSQL
3 4 (36.36%) Big Data
3 4 (36.36%) CouchDB
4 3 (27.27%) Hadoop
5 2 (18.18%) DataStax
6 1 (9.09%) Redis
Development Applications
1 3 (27.27%) CruiseControl
1 3 (27.27%) Jenkins
2 2 (18.18%) Git (software)
3 1 (9.09%) gulp
3 1 (9.09%) Mocha
3 1 (9.09%) Sinon.JS
General
1 1 (9.09%) Electronics
Job Titles
1 6 (54.55%) Developer
1 6 (54.55%) Node.js Developer
2 3 (27.27%) Architect
2 3 (27.27%) Big Data Architect
2 3 (27.27%) Data Architect
2 3 (27.27%) DevOps Architect
2 3 (27.27%) Senior Developer
3 2 (18.18%) DevOps Engineer
3 2 (18.18%) JavaScript Developer
3 2 (18.18%) MongoDB Developer
4 1 (9.09%) Big Data Engineer
4 1 (9.09%) Data Engineer
4 1 (9.09%) Front End Developer (Client-Side Developer)
4 1 (9.09%) Full Stack Developer
4 1 (9.09%) Java Developer
4 1 (9.09%) Senior DevOps
4 1 (9.09%) Senior DevOps Engineer
4 1 (9.09%) Senior Java Developer
4 1 (9.09%) Senior JavaScript Developer
4 1 (9.09%) Technical Leader
Libraries, Frameworks & Software Standards
1 7 (63.64%) Node.js
2 5 (45.45%) RESTful
3 2 (18.18%) AngularJS
3 2 (18.18%) CSS
3 2 (18.18%) CSS3
3 2 (18.18%) HTML
3 2 (18.18%) HTML5
3 2 (18.18%) React
4 1 (9.09%) .NET
4 1 (9.09%) Backbone.js
4 1 (9.09%) Chai
4 1 (9.09%) DOM
4 1 (9.09%) jQuery
4 1 (9.09%) JSON
4 1 (9.09%) Kafka
4 1 (9.09%) Marionette.js
4 1 (9.09%) OAuth2
4 1 (9.09%) Samza
4 1 (9.09%) WebSockets
Miscellaneous
1 1 (9.09%) Analytical Skills
Operating Systems
1 1 (9.09%) Android
1 1 (9.09%) Apple iOS
Processes & Methodologies
1 7 (63.64%) Open Source
2 5 (45.45%) Software Engineering
3 4 (36.36%) Agile Software Development
3 4 (36.36%) Automated Testing
3 4 (36.36%) Continuous Integration
3 4 (36.36%) DevOps
4 3 (27.27%) Don't repeat yourself (DRY)
4 3 (27.27%) Mentoring
4 3 (27.27%) TDD
5 2 (18.18%) Isomorphic JavaScript
6 1 (9.09%) Configuration Management
6 1 (9.09%) Data Modelling
6 1 (9.09%) DOM Manipulation/Scripting
6 1 (9.09%) Microservices
6 1 (9.09%) Separation of Concerns
6 1 (9.09%) UML
6 1 (9.09%) Unit Testing
Programming Languages
1 6 (54.55%) JavaScript
2 3 (27.27%) Java
3 2 (18.18%) ES6
3 2 (18.18%) Ruby
4 1 (9.09%) Bash Shell
4 1 (9.09%) C#
4 1 (9.09%) Objective-C
4 1 (9.09%) Perl
4 1 (9.09%) PHP
4 1 (9.09%) Python
4 1 (9.09%) R
System Software
1 4 (36.36%) Docker
2 1 (9.09%) KVM
Systems Management
1 7 (63.64%) Opscode Chef
2 4 (36.36%) Puppet
3 2 (18.18%) Ansible
4 1 (9.09%) Nagios
4 1 (9.09%) Terraform