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 29 January 2015 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
29 Jan 2015
Same period 2014 Same period 2013
Riak
Rank 373 390 367
Rank change year-on-year
+17 -23
Contract jobs citing Riak 13 11 5
As % of all contract IT jobs located in London 0.063% 0.050% 0.025%
As % of the Database & Business Intelligence category 0.28% 0.22% 0.11%
Number of daily rates quoted 11 11 5
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
4713 4977 4615
As % of all contract IT jobs located in London 22.79% 22.77% 23.43%
Number of daily rates quoted 3355 3433 3196
Average daily rate £450 £435 £425
Average daily rate % change year-on-year
+3.44% +2.35%
90% offered a daily rate of more than £310 £300 £295
10% offered a daily rate of more than £600 £575 £575
UK excluding London average daily rate £363 £350 £330
% change year-on-year
+3.57% +6.06%
Number of hourly rates quoted 24 32 43
Average hourly rate £20.00 £28.75 £27.50
Average hourly rate % change year-on-year
-30.43% +4.54%
90% offered a hourly rate of more than £10.00 £18.00 £18.79
10% offered a hourly rate of more than £41.20 £104.75 £49.40
UK excluding London average hourly rate £33.50 £27.50 £30.50
% change year-on-year
+21.81% -9.83%

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 29 January 2015.

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 29 January 2015. 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 +15 1 - -
Riak
England

Riak
Top 30 Related IT Skills in London

For the 6 months to 29 January 2015, 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 45 (93.75%) Apache Cassandra
2 44 (91.67%) MongoDB
3 42 (87.50%) NoSQL
3 42 (87.50%) Hadoop
4 35 (72.92%) Big Data
5 24 (50.00%) Linux
6 23 (47.92%) Puppet
6 23 (47.92%) Continuous Integration
6 23 (47.92%) Couchbase
6 23 (47.92%) Opscode Chef
7 22 (45.83%) HBase
8 21 (43.75%) CouchDB
8 21 (43.75%) MySQL
9 20 (41.67%) Jenkins
9 20 (41.67%) Elasticsearch
10 19 (39.58%) Ambari
10 19 (39.58%) Sqoop
10 19 (39.58%) Oozie
10 19 (39.58%) Analytics
10 19 (39.58%) Hortonworks
10 19 (39.58%) Apache Flume
10 19 (39.58%) HCatalog
10 19 (39.58%) DevOps
10 19 (39.58%) Data Warehouse
10 19 (39.58%) Teradata
10 19 (39.58%) Visualisation
10 19 (39.58%) Apache Hive
10 19 (39.58%) Mahout
10 19 (39.58%) MapReduce
10 19 (39.58%) Oracle Exadata

Riak
Top Related IT Skills in London by Category

For the 6 months to 29 January 2015, 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 20 (41.67%) Elasticsearch
2 17 (35.42%) Apache
3 5 (10.42%) Oracle Coherence
4 4 (8.33%) Apache Solr
4 4 (8.33%) Node.js
5 2 (4.17%) Apache Spark
5 2 (4.17%) OpenStack
6 1 (2.08%) Jetty
6 1 (2.08%) Alfresco
6 1 (2.08%) Tomcat
6 1 (2.08%) Apache ServiceMix
Applications
1 1 (2.08%) MS Excel
Cloud Services
1 16 (33.33%) Amazon AWS
Communications & Networking
1 5 (10.42%) LAN
1 5 (10.42%) WAN
2 2 (4.17%) HTTP
Database & Business Intelligence
1 45 (93.75%) Apache Cassandra
2 44 (91.67%) MongoDB
3 42 (87.50%) NoSQL
3 42 (87.50%) Hadoop
4 35 (72.92%) Big Data
5 23 (47.92%) Couchbase
6 22 (45.83%) HBase
7 21 (43.75%) CouchDB
7 21 (43.75%) MySQL
8 19 (39.58%) Sqoop
8 19 (39.58%) HCatalog
8 19 (39.58%) Data Warehouse
8 19 (39.58%) Apache Hive
8 19 (39.58%) Mahout
8 19 (39.58%) Oracle Exadata
9 18 (37.50%) MarkLogic
10 11 (22.92%) SQL Server
11 7 (14.58%) Redis
11 7 (14.58%) DB2
12 4 (8.33%) Relational Database
Development Applications
1 20 (41.67%) Jenkins
2 16 (33.33%) Hudson
3 2 (4.17%) CruiseControl
3 2 (4.17%) Cucumber
3 2 (4.17%) Jasmine
4 1 (2.08%) Maven
4 1 (2.08%) Talend Open Studio
4 1 (2.08%) Git (software)
4 1 (2.08%) Eclipse
4 1 (2.08%) JUnit
General
1 15 (31.25%) Banking
2 4 (8.33%) Investment Banking
3 3 (6.25%) Finance
4 2 (4.17%) Financial Institution
5 1 (2.08%) Telecoms
Job Titles
1 38 (79.17%) Architect
2 14 (29.17%) DevOps Architect
3 11 (22.92%) Enterprise Architect
4 10 (20.83%) Developer
5 8 (16.67%) Data Architect
6 7 (14.58%) Big Data Architect
7 4 (8.33%) Team Leader
7 4 (8.33%) Lead Architect
8 3 (6.25%) Lead Enterprise Architect
9 2 (4.17%) PHP Symfony Developer
9 2 (4.17%) Node.js Developer
9 2 (4.17%) OO PHP Developer
9 2 (4.17%) Analyst
9 2 (4.17%) Data Analyst
9 2 (4.17%) PHP Developer
9 2 (4.17%) Data Modeller
9 2 (4.17%) Java Team Leader
9 2 (4.17%) Analyst Developer
9 2 (4.17%) Principal Engineer
9 2 (4.17%) Principal Architect
Libraries, Frameworks & Software Standards
1 17 (35.42%) Web Services
2 14 (29.17%) LAMP
3 3 (6.25%) CSS
3 3 (6.25%) HTML
4 2 (4.17%) .NET
4 2 (4.17%) XML
4 2 (4.17%) jQuery
4 2 (4.17%) RESTful
4 2 (4.17%) Symfony
4 2 (4.17%) Gherkin
4 2 (4.17%) Backbone.js
5 1 (2.08%) REST
5 1 (2.08%) WebSockets
5 1 (2.08%) HTML5
5 1 (2.08%) JSON
5 1 (2.08%) Spring
5 1 (2.08%) Apache CXF
5 1 (2.08%) JPA
5 1 (2.08%) XML Schema
5 1 (2.08%) SOAP
Miscellaneous
1 19 (39.58%) Visualisation
2 3 (6.25%) Open Source
2 3 (6.25%) Social Network
3 1 (2.08%) Management Information System
Operating Systems
1 24 (50.00%) Linux
2 16 (33.33%) Debian
2 16 (33.33%) CentOS
3 2 (4.17%) CoreOS
4 1 (2.08%) Ubuntu
4 1 (2.08%) UNIX
4 1 (2.08%) Windows
Processes & Methodologies
1 23 (47.92%) Continuous Integration
2 19 (39.58%) Analytics
2 19 (39.58%) DevOps
2 19 (39.58%) MapReduce
3 12 (25.00%) Business Intelligence
4 10 (20.83%) TDD
5 7 (14.58%) Agile Software Development
5 7 (14.58%) Scrum
6 6 (12.50%) Performance Tuning
6 6 (12.50%) Benchmarking
6 6 (12.50%) BDD
7 4 (8.33%) Functional Programming
7 4 (8.33%) Logical Data Model
7 4 (8.33%) Physical Data Model
7 4 (8.33%) Data Modelling
7 4 (8.33%) Kanban
8 2 (4.17%) Mentoring
8 2 (4.17%) Coaching
8 2 (4.17%) OO PHP
8 2 (4.17%) OO
Programming Languages
1 18 (37.50%) Python
1 18 (37.50%) Perl
1 18 (37.50%) PHP
2 16 (33.33%) Bash Shell
3 10 (20.83%) SQL
3 10 (20.83%) C#
4 7 (14.58%) Ruby
4 7 (14.58%) JavaScript
5 6 (12.50%) Java
5 6 (12.50%) Scala
6 4 (8.33%) Golang
6 4 (8.33%) Clojure
7 1 (2.08%) R
7 1 (2.08%) C
7 1 (2.08%) C++
System Software
1 19 (39.58%) Apache Flume
1 19 (39.58%) Apache ZooKeeper
2 17 (35.42%) HDFS
3 8 (16.67%) Oracle RAC
4 6 (12.50%) Docker
5 2 (4.17%) vCloud
Systems Management
1 23 (47.92%) Puppet
1 23 (47.92%) Opscode Chef
2 19 (39.58%) Ambari
2 19 (39.58%) Oozie
3 16 (33.33%) Nagios
3 16 (33.33%) ZABBIX
3 16 (33.33%) Cacti
3 16 (33.33%) Salt
4 5 (10.42%) Ansible
5 1 (2.08%) Hadoop YARN
Vendors
1 19 (39.58%) Hortonworks
1 19 (39.58%) Teradata
1 19 (39.58%) Netezza
2 18 (37.50%) MapR
3 16 (33.33%) Red Hat
3 16 (33.33%) Rackspace
4 11 (22.92%) Oracle
5 10 (20.83%) Sybase
6 5 (10.42%) Cisco
6 5 (10.42%) Intel
7 1 (2.08%) Talend
7 1 (2.08%) Cloudera