The table below looks at the statistics for Riak skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited Riak over the 3 months to 24 December 2014 with a comparison to the same period in 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.

Location
3 months to
24 Dec 2014
Same period 2013 Same period 2012
Riak
Rank 385 406 382
Rank change year-on-year
+21 -24
Contract jobs citing Riak 18 11 6
As % of all contract IT jobs located in London 0.079% 0.046% 0.029%
As % of the Database & Business Intelligence category 0.35% 0.20% 0.13%
Number of daily rates quoted 16 11 6
Average daily rate
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of your Daily Rate
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£525 £463 £500
Average daily rate % change year-on-year
+13.51% -7.50%
UK excluding London average daily rate £363 - -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average 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
5097 5513 4760
As % of all contract IT jobs located in London 22.40% 23.17% 22.77%
Number of daily rates quoted 3705 3860 3323
Average daily rate £425 £430 £425
Average daily rate % change year-on-year
-1.16% +1.17%
90% offered a daily rate of more than £300 £315 £275
10% offered a daily rate of more than £600 £575 £576
UK excluding London average daily rate £363 £330 £335
% change year-on-year
+9.84% -1.49%
Number of hourly rates quoted 23 33 48
Average hourly rate £30.00 £32.75 £27.50
Average hourly rate % change year-on-year
-8.39% +19.09%
90% offered a hourly rate of more than £17.00 £18.00 £17.50
10% offered a hourly rate of more than £52.00 £57.50 £48.28
UK excluding London average hourly rate £35.00 £28.00 £30.75
% change year-on-year
+25.00% -8.94%

Riak
Jobs Demand Trend in London

This chart provides a 3-month moving total of IT contractor jobs citing Riak across the London region as a proportion of the total demand within 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
Daily Rate Histogram in London

This chart provides a histogram of daily rates quoted in contract IT jobs citing Riak across the London region over the 3 months to 24 December 2014.

Riak Daily Rate Histogram in London

Riak
Contract Job Locations in London

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing Riak within the London region over the 3 months to 24 December 2014. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +6 1 - -
Riak
England

Riak
Top 30 Related IT Skills in London

For the 6 months to 24 December 2014, IT contractor jobs across the London region citing Riak also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Riak.

1 52 (94.55%) Apache Cassandra
2 51 (92.73%) MongoDB
3 49 (89.09%) NoSQL
3 49 (89.09%) Hadoop
4 42 (76.36%) Big Data
5 27 (49.09%) Linux
5 27 (49.09%) Couchbase
6 26 (47.27%) Opscode Chef
6 26 (47.27%) HBase
6 26 (47.27%) Puppet
6 26 (47.27%) Continuous Integration
7 24 (43.64%) CouchDB
7 24 (43.64%) MySQL
8 23 (41.82%) Data Warehouse
8 23 (41.82%) Teradata
8 23 (41.82%) Visualisation
8 23 (41.82%) Apache Hive
8 23 (41.82%) Mahout
8 23 (41.82%) MapReduce
8 23 (41.82%) Oracle Exadata
8 23 (41.82%) Apache ZooKeeper
8 23 (41.82%) Netezza
8 23 (41.82%) HCatalog
8 23 (41.82%) Analytics
8 23 (41.82%) Sqoop
8 23 (41.82%) Jenkins
8 23 (41.82%) Hortonworks
8 23 (41.82%) Apache Flume
8 23 (41.82%) Ambari
8 23 (41.82%) Elasticsearch

Riak
Top Related IT Skills in London by Category

For the 6 months to 24 December 2014, IT contractor jobs across the London region citing Riak also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Riak. Up to 20 skills are shown per category.

Application Platforms
1 23 (41.82%) Elasticsearch
2 20 (36.36%) Apache
3 5 (9.09%) Oracle Coherence
4 4 (7.27%) Apache Solr
4 4 (7.27%) Node.js
5 2 (3.64%) OpenStack
5 2 (3.64%) Apache Spark
6 1 (1.82%) Apache ServiceMix
6 1 (1.82%) Apache Pig
6 1 (1.82%) Jetty
6 1 (1.82%) Alfresco
6 1 (1.82%) Tomcat
Applications
1 1 (1.82%) MS Excel
Cloud Services
1 19 (34.55%) Amazon AWS
Communications & Networking
1 5 (9.09%) LAN
1 5 (9.09%) WAN
2 2 (3.64%) HTTP
Database & Business Intelligence
1 52 (94.55%) Apache Cassandra
2 51 (92.73%) MongoDB
3 49 (89.09%) NoSQL
3 49 (89.09%) Hadoop
4 42 (76.36%) Big Data
5 27 (49.09%) Couchbase
6 26 (47.27%) HBase
7 24 (43.64%) CouchDB
7 24 (43.64%) MySQL
8 23 (41.82%) Data Warehouse
8 23 (41.82%) Apache Hive
8 23 (41.82%) Oracle Exadata
8 23 (41.82%) Mahout
8 23 (41.82%) Sqoop
8 23 (41.82%) HCatalog
9 22 (40.00%) MarkLogic
10 12 (21.82%) SQL Server
11 8 (14.55%) DB2
12 7 (12.73%) Redis
13 4 (7.27%) PostgreSQL
Development Applications
1 23 (41.82%) Jenkins
2 19 (34.55%) Hudson
3 2 (3.64%) Jasmine
3 2 (3.64%) CruiseControl
3 2 (3.64%) Cucumber
4 1 (1.82%) Maven
4 1 (1.82%) Talend Open Studio
4 1 (1.82%) Git (software)
4 1 (1.82%) JUnit
4 1 (1.82%) Eclipse
General
1 18 (32.73%) Banking
2 4 (7.27%) Investment Banking
3 3 (5.45%) Finance
4 2 (3.64%) Financial Institution
5 1 (1.82%) Telecoms
Job Titles
1 45 (81.82%) Architect
2 17 (30.91%) DevOps Architect
3 14 (25.45%) Enterprise Architect
4 10 (18.18%) Developer
5 9 (16.36%) Data Architect
6 8 (14.55%) Big Data Architect
7 6 (10.91%) Lead Architect
8 4 (7.27%) Team Leader
9 3 (5.45%) Lead Enterprise Architect
10 2 (3.64%) PHP Developer
10 2 (3.64%) PHP Symfony Developer
10 2 (3.64%) Node.js Developer
10 2 (3.64%) OO PHP Developer
10 2 (3.64%) Analyst Developer
10 2 (3.64%) Principal Architect
10 2 (3.64%) Principal Engineer
10 2 (3.64%) Data Modeller
10 2 (3.64%) Java Team Leader
10 2 (3.64%) Java Architect
10 2 (3.64%) Data Analyst
Libraries, Frameworks & Software Standards
1 20 (36.36%) Web Services
2 17 (30.91%) LAMP
3 3 (5.45%) HTML
3 3 (5.45%) CSS
4 2 (3.64%) .NET
4 2 (3.64%) XML
4 2 (3.64%) Symfony
4 2 (3.64%) jQuery
4 2 (3.64%) RESTful
4 2 (3.64%) Backbone.js
4 2 (3.64%) Gherkin
5 1 (1.82%) Cascading
5 1 (1.82%) HTML5
5 1 (1.82%) REST
5 1 (1.82%) WebSockets
5 1 (1.82%) JPA
5 1 (1.82%) Apache CXF
5 1 (1.82%) XML Schema
5 1 (1.82%) Spring
5 1 (1.82%) JSON
Miscellaneous
1 23 (41.82%) Visualisation
2 3 (5.45%) Open Source
2 3 (5.45%) Social Network
3 1 (1.82%) Management Information System
Operating Systems
1 27 (49.09%) Linux
2 19 (34.55%) Debian
2 19 (34.55%) CentOS
3 2 (3.64%) CoreOS
4 1 (1.82%) Ubuntu
4 1 (1.82%) UNIX
4 1 (1.82%) Windows
Processes & Methodologies
1 26 (47.27%) Continuous Integration
2 23 (41.82%) MapReduce
2 23 (41.82%) Analytics
3 22 (40.00%) DevOps
4 15 (27.27%) Business Intelligence
5 10 (18.18%) TDD
6 7 (12.73%) Scrum
6 7 (12.73%) Agile Software Development
7 6 (10.91%) BDD
7 6 (10.91%) Performance Tuning
7 6 (10.91%) Benchmarking
8 4 (7.27%) Data Modelling
8 4 (7.27%) Kanban
8 4 (7.27%) Functional Programming
8 4 (7.27%) Logical Data Model
8 4 (7.27%) Physical Data Model
9 2 (3.64%) Mentoring
9 2 (3.64%) Coaching
9 2 (3.64%) Data Architecture
9 2 (3.64%) OO PHP
Programming Languages
1 21 (38.18%) Perl
1 21 (38.18%) PHP
1 21 (38.18%) Python
2 19 (34.55%) Bash Shell
3 13 (23.64%) C#
4 11 (20.00%) SQL
5 7 (12.73%) Ruby
5 7 (12.73%) JavaScript
6 6 (10.91%) Scala
6 6 (10.91%) Java
7 4 (7.27%) Golang
7 4 (7.27%) Clojure
8 1 (1.82%) R
8 1 (1.82%) C
8 1 (1.82%) C++
System Software
1 23 (41.82%) Apache ZooKeeper
1 23 (41.82%) Apache Flume
2 20 (36.36%) HDFS
3 9 (16.36%) Oracle RAC
4 6 (10.91%) Docker
5 2 (3.64%) vCloud
Systems Management
1 26 (47.27%) Puppet
1 26 (47.27%) Opscode Chef
2 23 (41.82%) Ambari
2 23 (41.82%) Oozie
3 19 (34.55%) Nagios
3 19 (34.55%) ZABBIX
3 19 (34.55%) Cacti
3 19 (34.55%) Salt
4 4 (7.27%) Ansible
5 1 (1.82%) Hadoop YARN
Vendors
1 23 (41.82%) Teradata
1 23 (41.82%) Netezza
1 23 (41.82%) Hortonworks
2 22 (40.00%) MapR
3 19 (34.55%) Red Hat
3 19 (34.55%) Rackspace
4 12 (21.82%) Oracle
5 11 (20.00%) Sybase
6 5 (9.09%) Cisco
6 5 (9.09%) Intel
7 1 (1.82%) Talend
7 1 (1.82%) Cloudera