The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Riak skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Riak over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Riak
UK / England
Rank 550 607 593
Rank change year-on-year +57 -14  
Contract jobs citing Riak 16 8 11
As % of all contract IT jobs advertised in England 0.039% 0.016% 0.022%
As % of the Database & Business Intelligence category 0.17% 0.073% 0.10%
Number of daily rates quoted 12 8 11
Median daily rate £356 £475 £400
Median daily rate % change year-on-year -25.00% +18.75%  
90% offered a daily rate of more than £350 £390 £363
10% offered a daily rate of more than £590 £551 £525
UK excluding London median daily rate £355 £475 £363
% change year-on-year -25.26% +31.03%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Riak is in the database and business intelligence skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
England
Contract job vacancies with a requirement for database and business intelligence skills 9480 10953 10995
As % of all contract IT job vacancies advertised in England 22.87% 22.32% 22.41%
Number of daily rates quoted 6448 7415 7178
Median daily rate £450 £425 £405
Median daily rate % change year-on-year +5.88% +4.93%  
90% offered a daily rate of more than £300 £300 £285
10% offered a daily rate of more than £600 £600 £550
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 108 159 149
Median hourly rate £35.00 £32.75 £32.10
Median hourly rate % change year-on-year +6.87% +2.02%  
90% offered a hourly rate of more than £12.00 £15.00 £15.35
10% offered a hourly rate of more than £47.00 £55.00 £46.09
UK excluding London median hourly rate £34.24 £32.50 £32.50
% change year-on-year +5.35% -  

Riak
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing Riak as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for Riak in England

Riak
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Riak in England.

Contractor daily rate trend for Riak in England

Riak
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Riak in England over the 3 months to 27 March 2017.

Contractor daily rate histogram for Riak in England

Riak
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Riak within the England region over the 3 months to 27 March 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
Yorkshire - 7 £355 - 5
London +35 5 £600 +11.11% 1
North West - 4 £475 - 1
Riak
UK

Riak
Top 30 Related IT Skills in England

For the 6 months to 27 March 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 England region with a requirement for Riak.

1 34 (65.38%) Python
2 29 (55.77%) MongoDB
3 28 (53.85%) Apache Cassandra
3 28 (53.85%) NoSQL
4 25 (48.08%) Java
4 25 (48.08%) Agile Software Development
5 24 (46.15%) JavaScript
5 24 (46.15%) Apache Solr
6 23 (44.23%) Amazon AWS
6 23 (44.23%) Linux
7 21 (40.38%) TDD
7 21 (40.38%) Hadoop
7 21 (40.38%) Relational Database
8 18 (34.62%) Apache Spark
8 18 (34.62%) Apache
9 17 (32.69%) Open Source
10 16 (30.77%) Bash Shell
10 16 (30.77%) Git (software)
10 16 (30.77%) Big Data
10 16 (30.77%) AngularJS
10 16 (30.77%) Perl
11 15 (28.85%) Oracle
11 15 (28.85%) SQL Server
11 15 (28.85%) Unix
11 15 (28.85%) Spring
11 15 (28.85%) Kafka
12 14 (26.92%) Redis
12 14 (26.92%) Puppet
12 14 (26.92%) Ansible
12 14 (26.92%) Jenkins

Riak
Top Related IT Skills in England 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 24 (46.15%) Apache Solr
2 18 (34.62%) Apache
2 18 (34.62%) Apache Spark
3 13 (25.00%) nginx
4 12 (23.08%) Apache Pig
5 8 (15.38%) OpenStack
6 5 (9.62%) Confluence
6 5 (9.62%) Tomcat
7 4 (7.69%) Elasticsearch
7 4 (7.69%) IIS
7 4 (7.69%) JBoss
7 4 (7.69%) WebSphere
8 3 (5.77%) Cloud Foundry
9 1 (1.92%) Jetty
9 1 (1.92%) Oracle Coherence
9 1 (1.92%) Tornado
9 1 (1.92%) WebLogic
Applications
1 1 (1.92%) MS Excel
Cloud Services
1 23 (44.23%) Amazon AWS
2 11 (21.15%) IaaS
3 7 (13.46%) Google Cloud Platform
3 7 (13.46%) Loggly
3 7 (13.46%) Sumo Logic
4 5 (9.62%) Microsoft Azure
5 4 (7.69%) PaaS
6 3 (5.77%) Amazon EC2
7 1 (1.92%) GitHub
7 1 (1.92%) Office 365
7 1 (1.92%) Slack
7 1 (1.92%) Trello
Communications & Networking
1 8 (15.38%) DNS
2 7 (13.46%) Firewall
2 7 (13.46%) HTTP
3 4 (7.69%) Internet
4 1 (1.92%) LAN
4 1 (1.92%) OpenLDAP
4 1 (1.92%) TCP/IP
4 1 (1.92%) WAN
Database & Business Intelligence
1 29 (55.77%) MongoDB
2 28 (53.85%) Apache Cassandra
2 28 (53.85%) NoSQL
3 21 (40.38%) Hadoop
3 21 (40.38%) Relational Database
4 16 (30.77%) Big Data
5 15 (28.85%) SQL Server
6 14 (26.92%) Redis
7 13 (25.00%) Apache Hive
7 13 (25.00%) Data Warehouse
7 13 (25.00%) MarkLogic
7 13 (25.00%) MySQL
8 12 (23.08%) Impala
8 12 (23.08%) PostgreSQL
9 11 (21.15%) CouchDB
10 7 (13.46%) Amazon DynamoDB
11 6 (11.54%) HBase
12 5 (9.62%) Neo4j
13 4 (7.69%) RDBMS
14 3 (5.77%) Data Mining
Development Applications
1 16 (30.77%) Git (software)
2 14 (26.92%) Jenkins
3 11 (21.15%) Maven
4 7 (13.46%) Grunt
4 7 (13.46%) Vagrant
5 5 (9.62%) JIRA
5 5 (9.62%) TeamCity
6 4 (7.69%) Ant
6 4 (7.69%) GoCD
6 4 (7.69%) SonarQube
6 4 (7.69%) Team Foundation Server
7 3 (5.77%) Selenium
8 2 (3.85%) Atlassian Bamboo
9 1 (1.92%) Artifactory
General
1 7 (13.46%) Finance
2 2 (3.85%) Banking
3 1 (1.92%) Front Office
3 1 (1.92%) Multimedia
3 1 (1.92%) Retail
Job Titles
1 26 (50.00%) Developer
2 14 (26.92%) Java Developer
3 8 (15.38%) Cloud Engineer
4 7 (13.46%) AWS Engineer
5 5 (9.62%) .NET Developer
5 5 (9.62%) C# .NET Developer
5 5 (9.62%) C# Developer
5 5 (9.62%) Senior Developer
5 5 (9.62%) Senior Java Developer
6 4 (7.69%) Angular Developer
6 4 (7.69%) ASP.NET MVC Developer
6 4 (7.69%) AWS DevOps
6 4 (7.69%) Big Data Engineer
6 4 (7.69%) JavaScript Developer
6 4 (7.69%) Node.js Developer
6 4 (7.69%) Python Developer
6 4 (7.69%) Senior Software Engineer
6 4 (7.69%) Software Engineer
7 3 (5.77%) Lead DevOps
7 3 (5.77%) Senior DevOps
Libraries, Frameworks & Software Standards
1 16 (30.77%) AngularJS
2 15 (28.85%) Kafka
2 15 (28.85%) Spring
3 13 (25.00%) HTML
3 13 (25.00%) Lucene
4 12 (23.08%) .NET
4 12 (23.08%) Node.js
4 12 (23.08%) Web Services
5 11 (21.15%) CSS
6 9 (17.31%) Hibernate
6 9 (17.31%) JMS
6 9 (17.31%) RabbitMQ
7 8 (15.38%) Elastic Stack
7 8 (15.38%) HTML5
7 8 (15.38%) jQuery
7 8 (15.38%) React
8 7 (13.46%) CSS3
8 7 (13.46%) LAMP
8 7 (13.46%) LAPP Stack
9 6 (11.54%) ASP.NET
Miscellaneous
1 12 (23.08%) Analytical Skills
2 7 (13.46%) Replication
3 5 (9.62%) Algorithms
4 3 (5.77%) Enterprise Software
5 2 (3.85%) Wiki
6 1 (1.92%) Foreign Exchange (FX)
6 1 (1.92%) Management Information System
6 1 (1.92%) Smart Home
Operating Systems
1 23 (44.23%) Linux
2 15 (28.85%) Unix
3 7 (13.46%) CoreOS
4 4 (7.69%) Windows
5 3 (5.77%) CentOS
5 3 (5.77%) Red Hat Enterprise Linux
5 3 (5.77%) Solaris
6 2 (3.85%) Android
6 2 (3.85%) Apple iOS
Processes & Methodologies
1 25 (48.08%) Agile Software Development
2 21 (40.38%) TDD
3 17 (32.69%) Open Source
4 13 (25.00%) Continuous Integration
4 13 (25.00%) MapReduce
5 12 (23.08%) BDD
5 12 (23.08%) Data Analysis
5 12 (23.08%) DevOps
5 12 (23.08%) Statistical Modelling
6 11 (21.15%) Scrum
7 10 (19.23%) Kanban
8 9 (17.31%) Software Engineering
9 8 (15.38%) MVC
10 7 (13.46%) Configuration Management
10 7 (13.46%) Mentoring
10 7 (13.46%) Pair Programming
11 5 (9.62%) Coaching
11 5 (9.62%) ETL
11 5 (9.62%) User Stories
12 4 (7.69%) Extreme Programming
Programming Languages
1 34 (65.38%) Python
2 25 (48.08%) Java
3 24 (46.15%) JavaScript
4 16 (30.77%) Bash Shell
4 16 (30.77%) Perl
5 12 (23.08%) C#
5 12 (23.08%) R
5 12 (23.08%) Ruby
5 12 (23.08%) Scala
6 11 (21.15%) SQL
7 7 (13.46%) Go
7 7 (13.46%) PHP
8 5 (9.62%) CoffeeScript
9 3 (5.77%) C++
9 3 (5.77%) PowerShell
10 2 (3.85%) Groovy
11 1 (1.92%) Elixir
11 1 (1.92%) Erlang
System Software
1 13 (25.00%) Docker
2 5 (9.62%) HDFS
3 4 (7.69%) VirtualBox
3 4 (7.69%) VMware Infrastructure
4 1 (1.92%) Apache Flume
4 1 (1.92%) Apache ZooKeeper
4 1 (1.92%) Oracle RAC
4 1 (1.92%) Postfix
Systems Management
1 14 (26.92%) Ansible
1 14 (26.92%) Puppet
2 12 (23.08%) Hadoop YARN
2 12 (23.08%) Opscode Chef
3 10 (19.23%) Nagios
3 10 (19.23%) ZABBIX
4 8 (15.38%) Salt
5 7 (13.46%) Kubernetes
6 3 (5.77%) Control-M
6 3 (5.77%) Mesos
6 3 (5.77%) rkt
6 3 (5.77%) Unicenter
7 1 (1.92%) Ambari
7 1 (1.92%) Icinga
7 1 (1.92%) Kibana
7 1 (1.92%) logstash
7 1 (1.92%) Oozie
Vendors
1 15 (28.85%) Oracle
2 11 (21.15%) New Relic
3 10 (19.23%) Splunk
4 9 (17.31%) Google
5 7 (13.46%) Rackspace
5 7 (13.46%) SaltStack
6 5 (9.62%) Microsoft
7 4 (7.69%) VMware
8 1 (1.92%) Cisco
8 1 (1.92%) Hortonworks
8 1 (1.92%) Intel
8 1 (1.92%) Mapbox
8 1 (1.92%) Netezza
8 1 (1.92%) Sybase
8 1 (1.92%) Teradata