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 22 January 2017 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
22 Jan 2017
Same period 2016 Same period 2015
Riak
England / London
Rank 391 411 410
Rank change year-on-year
+20 -1
Contract jobs citing Riak 17 4 13
As % of all contract IT jobs located in London 0.089% 0.019% 0.062%
As % of the Database & Business Intelligence category 0.36% 0.079% 0.26%
Number of daily rates quoted 13 4 11
Median daily rate £525 £533 £525
Median daily rate % change year-on-year
-1.40% +1.42%
90% offered a daily rate of more than £415 £481 £450
10% offered a daily rate of more than £595 £565 £600
UK excluding London median daily rate £410 £475 £363
% change year-on-year
-13.68% +31.03%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
4692 5046 4986
As % of all contract IT jobs located in London 24.53% 24.09% 23.64%
Number of daily rates quoted 3359 3648 3539
Median daily rate £500 £475 £438
Median daily rate % change year-on-year
+5.26% +8.57%
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £400 £375 £363
% change year-on-year
+6.66% +3.44%
Number of hourly rates quoted 19 30 35
Median hourly rate £30.00 £30.00 £22.00
Median hourly rate % change year-on-year
- +36.36%
90% offered a hourly rate of more than £18.12 £17.75 £16.00
10% offered a hourly rate of more than £47.00 £50.00 £39.00
UK excluding London median hourly rate £38.00 £26.50 £32.50
% change year-on-year
+43.39% -18.46%

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
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 22 January 2017.

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 median contractor rates quoted in IT jobs citing Riak within the London region over the 3 months to 22 January 2017. 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 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
Canary Wharf - 4 £575 -
Riak
England

Riak
Top 30 Related IT Skills in London

For the 6 months to 22 January 2017, 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 20 (74.07%) Apache Solr
1 20 (74.07%) MongoDB
1 20 (74.07%) Apache Cassandra
2 19 (70.37%) NoSQL
3 16 (59.26%) Hadoop
3 16 (59.26%) Big Data
4 13 (48.15%) Apache Spark
4 13 (48.15%) Perl
4 13 (48.15%) Data Warehouse
4 13 (48.15%) Python
5 12 (44.44%) Java
5 12 (44.44%) Open Source
5 12 (44.44%) Bash Shell
5 12 (44.44%) Apache Hive
5 12 (44.44%) Lucene
5 12 (44.44%) MarkLogic
5 12 (44.44%) MapReduce
6 11 (40.74%) Kafka
6 11 (40.74%) Statistical Modelling
6 11 (40.74%) Apache Pig
6 11 (40.74%) Hadoop YARN
6 11 (40.74%) Impala
6 11 (40.74%) Analytical Skills
6 11 (40.74%) Data Analysis
6 11 (40.74%) R
6 11 (40.74%) JavaScript
6 11 (40.74%) Unix
7 8 (29.63%) Linux
7 8 (29.63%) JMS
7 8 (29.63%) C#

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 20 (74.07%) Apache Solr
2 13 (48.15%) Apache Spark
3 11 (40.74%) Apache Pig
4 4 (14.81%) Apache
4 4 (14.81%) Elasticsearch
4 4 (14.81%) nginx
5 2 (7.41%) CMS
5 2 (7.41%) JBoss
5 2 (7.41%) OpenStack
5 2 (7.41%) Tomcat
5 2 (7.41%) WebSphere
6 1 (3.70%) Cloud Foundry
6 1 (3.70%) IIS
6 1 (3.70%) Jetty
6 1 (3.70%) Oracle Coherence
6 1 (3.70%) Oracle SOA Suite
6 1 (3.70%) WebLogic
Applications
1 1 (3.70%) MS Excel
Cloud Services
1 8 (29.63%) Amazon AWS
2 4 (14.81%) Microsoft Azure
3 3 (11.11%) Amazon EC2
4 1 (3.70%) IaaS
4 1 (3.70%) PaaS
Communications & Networking
1 3 (11.11%) Firewall
2 1 (3.70%) DNS
2 1 (3.70%) HTTP
2 1 (3.70%) LAN
2 1 (3.70%) WAN
Database & Business Intelligence
1 20 (74.07%) Apache Cassandra
1 20 (74.07%) MongoDB
2 19 (70.37%) NoSQL
3 16 (59.26%) Big Data
3 16 (59.26%) Hadoop
4 13 (48.15%) Data Warehouse
5 12 (44.44%) Apache Hive
5 12 (44.44%) MarkLogic
6 11 (40.74%) Impala
7 7 (25.93%) SQL Server
8 5 (18.52%) Redis
9 4 (14.81%) CouchDB
9 4 (14.81%) Data Mining
9 4 (14.81%) Relational Database
10 3 (11.11%) Amazon DynamoDB
11 2 (7.41%) Couchbase
11 2 (7.41%) DataStax
11 2 (7.41%) MySQL
11 2 (7.41%) PostgreSQL
12 1 (3.70%) Sqoop
Development Applications
1 4 (14.81%) TeamCity
2 2 (7.41%) Jenkins
3 1 (3.70%) Ant
3 1 (3.70%) CruiseControl
3 1 (3.70%) Git (software)
3 1 (3.70%) GoCD
3 1 (3.70%) Maven
3 1 (3.70%) SonarQube
3 1 (3.70%) Team Foundation Server
General
1 6 (22.22%) Finance
2 2 (7.41%) Banking
3 1 (3.70%) Front Office
3 1 (3.70%) Retail
Job Titles
1 12 (44.44%) Developer
2 7 (25.93%) Node.js Developer
3 6 (22.22%) JavaScript Developer
4 5 (18.52%) Java Developer
4 5 (18.52%) Senior Developer
5 4 (14.81%) .NET Developer
5 4 (14.81%) Angular Developer
5 4 (14.81%) Architect
5 4 (14.81%) ASP.NET MVC Developer
5 4 (14.81%) Big Data Architect
5 4 (14.81%) Big Data Engineer
5 4 (14.81%) C# .NET Developer
5 4 (14.81%) C# Developer
5 4 (14.81%) Data Architect
5 4 (14.81%) Senior Java Developer
5 4 (14.81%) Senior Software Engineer
5 4 (14.81%) Software Engineer
6 3 (11.11%) AWS Engineer
6 3 (11.11%) Cloud Engineer
6 3 (11.11%) Data Engineer
Libraries, Frameworks & Software Standards
1 12 (44.44%) Lucene
2 11 (40.74%) Kafka
3 8 (29.63%) Hibernate
3 8 (29.63%) JMS
3 8 (29.63%) Node.js
3 8 (29.63%) Spring
4 7 (25.93%) React
5 6 (22.22%) .NET
6 5 (18.52%) AngularJS
7 4 (14.81%) ASP.NET
7 4 (14.81%) RabbitMQ
8 3 (11.11%) Natural Language Processing
8 3 (11.11%) Web Services
9 2 (7.41%) CSS
9 2 (7.41%) CSS3
9 2 (7.41%) HTML
9 2 (7.41%) HTML5
10 1 (3.70%) ELK Stack
10 1 (3.70%) LAMP
10 1 (3.70%) RESTful
Miscellaneous
1 11 (40.74%) Analytical Skills
2 4 (14.81%) Visualisation
3 3 (11.11%) Algorithms
3 3 (11.11%) Replication
4 1 (3.70%) Foreign Exchange (FX)
4 1 (3.70%) Management Information System
Operating Systems
1 11 (40.74%) Unix
2 8 (29.63%) Linux
3 3 (11.11%) CentOS
3 3 (11.11%) Red Hat Enterprise Linux
4 1 (3.70%) Android
4 1 (3.70%) Apple iOS
4 1 (3.70%) CoreOS
4 1 (3.70%) Solaris
4 1 (3.70%) Windows
Processes & Methodologies
1 12 (44.44%) MapReduce
1 12 (44.44%) Open Source
2 11 (40.74%) Data Analysis
2 11 (40.74%) Statistical Modelling
3 7 (25.93%) Agile Software Development
3 7 (25.93%) Continuous Integration
4 6 (22.22%) ETL
4 6 (22.22%) TDD
5 5 (18.52%) Software Engineering
6 4 (14.81%) BDD
6 4 (14.81%) Data Engineering
6 4 (14.81%) Data Visualisation
6 4 (14.81%) MVC
6 4 (14.81%) Pair Programming
7 3 (11.11%) Information Retrieval
7 3 (11.11%) Machine Learning
8 2 (7.41%) Business Intelligence
8 2 (7.41%) Isomorphic JavaScript
8 2 (7.41%) Kanban
8 2 (7.41%) Mentoring
Programming Languages
1 13 (48.15%) Perl
1 13 (48.15%) Python
2 12 (44.44%) Bash Shell
2 12 (44.44%) Java
3 11 (40.74%) JavaScript
3 11 (40.74%) R
4 8 (29.63%) C#
5 7 (25.93%) Scala
6 6 (22.22%) SQL
7 5 (18.52%) Ruby
8 4 (14.81%) CoffeeScript
9 2 (7.41%) ES6
9 2 (7.41%) Go
10 1 (3.70%) PowerShell
System Software
1 1 (3.70%) Apache Flume
1 1 (3.70%) Apache ZooKeeper
1 1 (3.70%) Docker
1 1 (3.70%) HDFS
1 1 (3.70%) Oracle RAC
Systems Management
1 11 (40.74%) Hadoop YARN
2 4 (14.81%) Opscode Chef
3 3 (11.11%) Ansible
3 3 (11.11%) Puppet
4 1 (3.70%) Ambari
4 1 (3.70%) Control-M
4 1 (3.70%) Kibana
4 1 (3.70%) Kubernetes
4 1 (3.70%) logstash
4 1 (3.70%) Mesos
4 1 (3.70%) Nagios
4 1 (3.70%) Oozie
4 1 (3.70%) rkt
4 1 (3.70%) Salt
4 1 (3.70%) Unicenter
4 1 (3.70%) ZABBIX
Vendors
1 4 (14.81%) Microsoft
1 4 (14.81%) Oracle
2 1 (3.70%) Cisco
2 1 (3.70%) Hortonworks
2 1 (3.70%) Intel
2 1 (3.70%) Netezza
2 1 (3.70%) New Relic
2 1 (3.70%) SaltStack
2 1 (3.70%) Sybase
2 1 (3.70%) Teradata