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 25 June 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.

Riak
UK / England
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 564 619 601
Rank change year-on-year +55 -18  
Contract jobs citing Riak 16 8 8
As % of all contract IT jobs advertised in England 0.038% 0.016% 0.016%
As % of the Database & Business Intelligence category 0.17% 0.075% 0.066%
Number of daily rates quoted 10 5 4
Median daily rate £550 £400 £425
Median daily rate % change year-on-year +37.50% -5.88%  
90% offered a daily rate of more than £520 £394 £400
10% offered a daily rate of more than £588 £453 £555
UK excluding London median daily rate £563 £400 -
% change year-on-year +40.75% -  
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 9526 10634 12040
As % of all contract IT job vacancies advertised in England 22.42% 21.83% 23.61%
Number of daily rates quoted 6284 7298 7978
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £325 £300 £278
10% offered a daily rate of more than £600 £600 £550
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 132 171 176
Median hourly rate £31.00 £30.50 £26.00
Median hourly rate % change year-on-year +1.63% +17.30%  
90% offered a hourly rate of more than £13.00 £12.33 £15.74
10% offered a hourly rate of more than £50.00 £49.00 £52.17
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

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
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 25 June 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 +26 9 £563 +40.75% 7
London +10 6 £550 +15.78% 3
South East - 1 - -
Riak
UK

For the 6 months to 25 June 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 22 (68.75%) Python
2 21 (65.63%) Agile Software Development
3 16 (50.00%) Java
4 15 (46.88%) Continuous Integration
5 14 (43.75%) Ansible
6 13 (40.63%) Relational Database
7 12 (37.50%) DevOps
7 12 (37.50%) Spring
7 12 (37.50%) Amazon AWS
7 12 (37.50%) MongoDB
7 12 (37.50%) TDD
7 12 (37.50%) Linux
8 11 (34.38%) MySQL
8 11 (34.38%) Apache Cassandra
8 11 (34.38%) Docker
9 10 (31.25%) NoSQL
9 10 (31.25%) Web Services
10 9 (28.13%) Oracle
10 9 (28.13%) JavaScript
11 8 (25.00%) Apache
11 8 (25.00%) Data Management
11 8 (25.00%) TOGAF
11 8 (25.00%) Git (software)
11 8 (25.00%) Scala
11 8 (25.00%) Flask
11 8 (25.00%) New Relic
11 8 (25.00%) RabbitMQ
11 8 (25.00%) Data Quality
11 8 (25.00%) Kafka
11 8 (25.00%) Jenkins

Riak
Co-occurring 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 8 (25.00%) Apache
2 6 (18.75%) Apache Spark
3 4 (12.50%) Apache Solr
3 4 (12.50%) Tomcat
4 3 (9.38%) Apache Pig
5 2 (6.25%) Elasticsearch
5 2 (6.25%) OpenStack
6 1 (3.13%) IIS
6 1 (3.13%) nginx
Cloud Services
1 12 (37.50%) Amazon AWS
2 6 (18.75%) Google Cloud Platform
3 5 (15.63%) IaaS
4 4 (12.50%) Loggly
4 4 (12.50%) Sumo Logic
5 3 (9.38%) AWS CloudFormation
5 3 (9.38%) Datadog
6 2 (6.25%) Amazon EMR
6 2 (6.25%) Amazon Kinesis
6 2 (6.25%) Amazon S3
7 1 (3.13%) Amazon EC2
7 1 (3.13%) GitHub
7 1 (3.13%) Microsoft Azure
7 1 (3.13%) Office 365
7 1 (3.13%) PaaS
7 1 (3.13%) Slack
7 1 (3.13%) Trello
Communications & Networking
1 4 (12.50%) HTTP
2 2 (6.25%) DNS
3 1 (3.13%) Firewall
3 1 (3.13%) Internet
3 1 (3.13%) iSCSI
3 1 (3.13%) TCP/IP
Database & Business Intelligence
1 13 (40.63%) Relational Database
2 12 (37.50%) MongoDB
3 11 (34.38%) Apache Cassandra
3 11 (34.38%) MySQL
4 10 (31.25%) NoSQL
5 6 (18.75%) Big Data
5 6 (18.75%) Hadoop
5 6 (18.75%) Neo4j
6 5 (15.63%) Data Warehouse
6 5 (15.63%) Redis
6 5 (15.63%) SQL Server
7 4 (12.50%) CouchDB
7 4 (12.50%) PostgreSQL
8 3 (9.38%) Amazon DynamoDB
8 3 (9.38%) Apache Hive
8 3 (9.38%) Impala
8 3 (9.38%) MariaDB
8 3 (9.38%) MarkLogic
8 3 (9.38%) RDBMS
9 2 (6.25%) Bigtable
Development Applications
1 8 (25.00%) Git (software)
1 8 (25.00%) Jenkins
2 5 (15.63%) Maven
3 4 (12.50%) Artifactory
3 4 (12.50%) Grunt
3 4 (12.50%) Team Foundation Server
3 4 (12.50%) TeamCity
3 4 (12.50%) Vagrant
4 3 (9.38%) Apache Archiva
4 3 (9.38%) GitLab
4 3 (9.38%) MSI
4 3 (9.38%) NuGet
4 3 (9.38%) Sonatype Nexus
5 1 (3.13%) Ant
5 1 (3.13%) GoCD
5 1 (3.13%) SonarQube
General
1 2 (6.25%) Finance
2 1 (3.13%) Telecoms
Job Titles
1 15 (46.88%) Developer
2 10 (31.25%) Java Developer
3 8 (25.00%) Architect
4 7 (21.88%) Technical Architect
5 4 (12.50%) Python Developer
6 3 (9.38%) Linux/Unix DevOps
6 3 (9.38%) Senior Developer
6 3 (9.38%) Senior DevOps
7 2 (6.25%) Apache Spark Developer
7 2 (6.25%) Big Data Developer
7 2 (6.25%) DevOps Consultant
7 2 (6.25%) DevOps Engineer
7 2 (6.25%) Hadoop Developer
7 2 (6.25%) Java Hadoop Developer
7 2 (6.25%) Java Scala Developer
7 2 (6.25%) Linux DevOps Engineer
7 2 (6.25%) Scala Developer
7 2 (6.25%) Senior DevOps Engineer
7 2 (6.25%) Senior Windows Engineer
7 2 (6.25%) Windows DevOps Engineer
Libraries, Frameworks & Software Standards
1 12 (37.50%) Spring
2 10 (31.25%) Web Services
3 8 (25.00%) Flask
3 8 (25.00%) Kafka
3 8 (25.00%) RabbitMQ
4 7 (21.88%) CSS
4 7 (21.88%) Elastic Stack
4 7 (21.88%) HTML
5 6 (18.75%) Hibernate
6 5 (15.63%) AngularJS
7 4 (12.50%) Apache Camel
7 4 (12.50%) CSS3
7 4 (12.50%) HTML5
7 4 (12.50%) JMS
7 4 (12.50%) jQuery
7 4 (12.50%) Node.js
8 3 (9.38%) Ajax
8 3 (9.38%) Lucene
8 3 (9.38%) Servlets
8 3 (9.38%) XML Schema
Miscellaneous
1 6 (18.75%) NHS
2 4 (12.50%) Analytical Skills
3 3 (9.38%) Algorithms
3 3 (9.38%) Enterprise Software
4 2 (6.25%) Reference Data
4 2 (6.25%) Replication
4 2 (6.25%) Wiki
5 1 (3.13%) Client/Server
5 1 (3.13%) Derivative
Operating Systems
1 12 (37.50%) Linux
2 6 (18.75%) Unix
3 5 (15.63%) Red Hat Enterprise Linux
4 4 (12.50%) CentOS
4 4 (12.50%) Windows
5 1 (3.13%) CoreOS
Processes & Methodologies
1 21 (65.63%) Agile Software Development
2 15 (46.88%) Continuous Integration
3 12 (37.50%) DevOps
3 12 (37.50%) TDD
4 8 (25.00%) Data Management
4 8 (25.00%) TOGAF
5 7 (21.88%) Configuration Management
5 7 (21.88%) Open Source
5 7 (21.88%) Stakeholder Engagement
6 6 (18.75%) Enterprise Architecture
6 6 (18.75%) Kanban
6 6 (18.75%) Mathematics
6 6 (18.75%) Scrum
6 6 (18.75%) User Stories
7 5 (15.63%) BDD
8 4 (12.50%) Continuous Delivery
8 4 (12.50%) MVC
9 3 (9.38%) Data Analysis
9 3 (9.38%) ETL
9 3 (9.38%) Pair Programming
Programming Languages
1 22 (68.75%) Python
2 16 (50.00%) Java
3 9 (28.13%) JavaScript
4 8 (25.00%) Scala
5 7 (21.88%) C#
5 7 (21.88%) SQL
6 6 (18.75%) Bash Shell
6 6 (18.75%) Ruby
7 4 (12.50%) Groovy
7 4 (12.50%) PHP
8 3 (9.38%) C++
8 3 (9.38%) Go
8 3 (9.38%) Perl
8 3 (9.38%) R
9 2 (6.25%) Clojure
9 2 (6.25%) Elixir
10 1 (3.13%) CoffeeScript
10 1 (3.13%) Erlang
Qualifications
1 5 (15.63%) Degree
1 5 (15.63%) Master's Degree
2 3 (9.38%) Security Cleared
3 1 (3.13%) BPSS Clearance
3 1 (3.13%) SC Cleared
Quality Assurance & Compliance
1 8 (25.00%) Data Quality
2 1 (3.13%) Disclosure Scotland
System Software
1 11 (34.38%) Docker
2 2 (6.25%) VMware Infrastructure
3 1 (3.13%) HDFS
3 1 (3.13%) Postfix
3 1 (3.13%) VirtualBox
Systems Management
1 14 (43.75%) Ansible
2 6 (18.75%) Puppet
3 5 (15.63%) Opscode Chef
4 4 (12.50%) Kubernetes
4 4 (12.50%) Nagios
4 4 (12.50%) Salt
4 4 (12.50%) ZABBIX
5 3 (9.38%) Hadoop YARN
5 3 (9.38%) Prometheus
6 2 (6.25%) Terraform
7 1 (3.13%) Icinga
7 1 (3.13%) Red Hat Satellite
Vendors
1 9 (28.13%) Oracle
2 8 (25.00%) New Relic
3 6 (18.75%) SaltStack
4 5 (15.63%) Google
4 5 (15.63%) Splunk
5 4 (12.50%) Rackspace
6 3 (9.38%) AppDynamics
6 3 (9.38%) Dynatrace
7 2 (6.25%) Cloudera
7 2 (6.25%) Hortonworks
7 2 (6.25%) VMware
8 1 (3.13%) Microsoft
8 1 (3.13%) Red Hat