Period
to 17 January 2018

The following table provides summary statistics for contract job vacancies with a requirement for Riak skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Riak over the 6 months to 17 January 2018 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
6 months to
17 Jan 2018
Same period 2017 Same period 2016
Rank 854 815 840
Rank change year-on-year -39 +25 -46
Contract jobs citing Riak 42 50 32
As % of all contract IT jobs advertised in the UK 0.042% 0.051% 0.030%
As % of the Database & Business Intelligence category 0.19% 0.23% 0.13%
Number of daily rates quoted 29 42 24
UK median daily rate £400 £475 £463
Median daily rate % change year-on-year -15.79% +2.70% -11.90%
10th Percentile £319 £325 £406
90th Percentile £558 £588 £496
UK excluding London median daily rate £390 £410 £475
% change year-on-year -4.88% -13.68% +31.03%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

Riak is in the Databases and Business Intelligence category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
UK
Contract vacancies with a requirement for database or business intelligence skills 22,049 21,957 24,553
As % of all contract IT jobs advertised in the UK 21.98% 22.56% 23.09%
Number of daily rates quoted 15,343 14,634 16,349
UK median daily rate £450 £425 £417
Median daily rate % change year-on-year +5.88% +2.00% +4.17%
10th Percentile £310 £288 £275
90th Percentile £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 254 322 422
UK median hourly rate £30.95 £28.18 £30.50
Median hourly rate % change year-on-year +9.83% -7.61% +6.31%
10th Percentile £14.68 £10.00 £12.00
90th Percentile £55.42 £49.88 £52.50
UK excluding London median hourly rate £35.00 £27.38 £29.50
% change year-on-year +27.85% -7.20% +7.27%

Riak
Job Vacancy Trend

Job postings citing Riak as a percentage of all IT jobs advertised.

Job vacancy trend for Riak in the UK

Riak
Contractor Daily Rate Trend

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

Contractor daily rate trend for Riak in the UK

Riak
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Riak over the 6 months to 17 January 2018.

Contractor daily rate histogram for Riak in the UK

Riak
Top 10 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Riak within the UK over the 6 months to 17 January 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -17 33 £425 -10.53% 27
UK excluding London +30 27 £390 -4.88% 24
London -32 15 £575 +9.52% 10
North of England +49 11 £406 -0.91% 12
Yorkshire +19 10 £400 -2.44% 6
Scotland -7 9 £338 - 5
South West +8 5 £488 +2.63% 1
Midlands +4 2 £375 -23.08% 4
East Midlands - 2 £375 - 4
North West - 1 £475 - 6

For the 6 months to 17 January 2018, 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 with a requirement for Riak.

1 32 (76.19%) Java
2 31 (73.81%) Python
2 31 (73.81%) MongoDB
2 31 (73.81%) NoSQL
3 30 (71.43%) Spring
4 28 (66.67%) Agile Software Development
5 26 (61.90%) Kafka
6 24 (57.14%) TDD
6 24 (57.14%) Hibernate
6 24 (57.14%) Scrum
7 23 (54.76%) JavaScript
7 23 (54.76%) BDD
8 22 (52.38%) Bash Shell
8 22 (52.38%) Hadoop
8 22 (52.38%) JMS
8 22 (52.38%) Redis
9 20 (47.62%) RabbitMQ
9 20 (47.62%) Opscode Chef
9 20 (47.62%) Ansible
9 20 (47.62%) Ruby
10 19 (45.24%) Puppet
10 19 (45.24%) SQL
11 18 (42.86%) Test Automation
12 17 (40.48%) Kanban
12 17 (40.48%) Apache Cassandra
12 17 (40.48%) Amazon AWS
12 17 (40.48%) Tomcat
12 17 (40.48%) Docker
13 16 (38.10%) Couchbase
13 16 (38.10%) JBoss

Riak
Co-occurring IT Skills 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 17 (40.48%) Tomcat
2 16 (38.10%) JBoss
2 16 (38.10%) Jetty
2 16 (38.10%) WebLogic
3 10 (23.81%) Apache Solr
3 10 (23.81%) WebSphere
4 9 (21.43%) Apache Spark
5 8 (19.05%) Apache
5 8 (19.05%) Apache Pig
6 5 (11.90%) Tornado
7 2 (4.76%) OpenStack
8 1 (2.38%) CloudStack
8 1 (2.38%) CMS
8 1 (2.38%) nginx
Cloud Services
1 17 (40.48%) Amazon AWS
2 9 (21.43%) Microsoft Azure
3 8 (19.05%) GitHub
4 7 (16.67%) Amazon EC2
Communications & Networking
1 13 (30.95%) AMQP
2 6 (14.29%) HTTP
Database & Business Intelligence
1 31 (73.81%) MongoDB
1 31 (73.81%) NoSQL
2 22 (52.38%) Hadoop
2 22 (52.38%) Redis
3 17 (40.48%) Apache Cassandra
4 16 (38.10%) Couchbase
5 13 (30.95%) Relational Database
6 8 (19.05%) Apache Hive
6 8 (19.05%) Big Data
6 8 (19.05%) Data Warehouse
6 8 (19.05%) Impala
6 8 (19.05%) MarkLogic
7 7 (16.67%) Data Mining
8 6 (14.29%) Blockchain
8 6 (14.29%) CouchDB
8 6 (14.29%) MySQL
8 6 (14.29%) Neo4j
9 5 (11.90%) PostgreSQL
10 3 (7.14%) SQL Server
Development Applications
1 15 (35.71%) Vagrant
2 13 (30.95%) Cucumber
2 13 (30.95%) FitNesse
2 13 (30.95%) Selenium
3 9 (21.43%) Git (software)
3 9 (21.43%) Jenkins
4 6 (14.29%) Maven
5 5 (11.90%) git-flow
5 5 (11.90%) Jasmine
5 5 (11.90%) JBehave
5 5 (11.90%) Karma Test Runner
5 5 (11.90%) Mocha
5 5 (11.90%) SonarQube
6 2 (4.76%) TeamCity
7 1 (2.38%) Gradle
General
1 7 (16.67%) Finance
2 6 (14.29%) Games
Job Titles
1 36 (85.71%) Developer
2 24 (57.14%) Java Developer
3 7 (16.67%) Big Data Developer
4 6 (14.29%) Full Stack Developer
5 3 (7.14%) Lead Developer
5 3 (7.14%) Systems Engineer
6 2 (4.76%) .NET Developer
6 2 (4.76%) DevOps Engineer
6 2 (4.76%) DevOps Systems Engineer
6 2 (4.76%) Java Engineer
6 2 (4.76%) Operations Engineer
6 2 (4.76%) Python Developer
6 2 (4.76%) Senior Developer
6 2 (4.76%) Senior Java Developer
7 1 (2.38%) Big Data Engineer
7 1 (2.38%) Digital Developer
7 1 (2.38%) Front End Java Developer (Client-Side Java Developer)
7 1 (2.38%) Monitoring Engineer
7 1 (2.38%) SC Cleared Java Developer
7 1 (2.38%) Senior Big Data Developer
Libraries, Frameworks & Software Standards
1 30 (71.43%) Spring
2 26 (61.90%) Kafka
3 24 (57.14%) Hibernate
4 22 (52.38%) JMS
5 20 (47.62%) RabbitMQ
6 14 (33.33%) HTML
7 12 (28.57%) Play Framework
8 11 (26.19%) Spring Boot
9 9 (21.43%) AngularJS
9 9 (21.43%) HTML5
9 9 (21.43%) JPA
9 9 (21.43%) Lucene
10 8 (19.05%) TIBCO EMS
10 8 (19.05%) WebSphere MQ
11 7 (16.67%) Natural Language Processing
11 7 (16.67%) Node.js
11 7 (16.67%) Web Services
12 6 (14.29%) Apache Camel
12 6 (14.29%) React
12 6 (14.29%) REST
Miscellaneous
1 8 (19.05%) Analytical Skills
2 7 (16.67%) Algorithms
2 7 (16.67%) Replication
3 6 (14.29%) Fintech
4 3 (7.14%) Data Centre
5 1 (2.38%) Greenfield Project
5 1 (2.38%) Mobile App
5 1 (2.38%) Wiki
Operating Systems
1 12 (28.57%) Linux
2 11 (26.19%) Unix
3 8 (19.05%) CentOS
4 7 (16.67%) Red Hat Enterprise Linux
5 1 (2.38%) CoreOS
5 1 (2.38%) Ubuntu
Processes & Methodologies
1 28 (66.67%) Agile Software Development
2 24 (57.14%) Scrum
2 24 (57.14%) TDD
3 23 (54.76%) BDD
4 18 (42.86%) Test Automation
5 17 (40.48%) Kanban
6 15 (35.71%) Software Engineering
7 13 (30.95%) Continuous Integration
7 13 (30.95%) DSDM
7 13 (30.95%) Integration Testing
7 13 (30.95%) RUP
8 10 (23.81%) DevOps
9 8 (19.05%) Concurrent Programming
9 8 (19.05%) Data Analysis
9 8 (19.05%) MapReduce
9 8 (19.05%) Mentoring
9 8 (19.05%) Multithreading
9 8 (19.05%) MVC
9 8 (19.05%) Statistical Modelling
9 8 (19.05%) UML
Programming Languages
1 32 (76.19%) Java
2 31 (73.81%) Python
3 23 (54.76%) JavaScript
4 22 (52.38%) Bash Shell
5 20 (47.62%) Ruby
6 19 (45.24%) SQL
7 13 (30.95%) Scala
8 9 (21.43%) C#
8 9 (21.43%) Perl
9 8 (19.05%) R
10 6 (14.29%) Groovy
11 1 (2.38%) Go
Qualifications
1 5 (11.90%) Degree
2 4 (9.52%) Security Cleared
3 3 (7.14%) BC Cleared
4 1 (2.38%) SC Cleared
Quality Assurance & Compliance
1 7 (16.67%) QA
System Software
1 17 (40.48%) Docker
Systems Management
1 20 (47.62%) Ansible
1 20 (47.62%) Opscode Chef
2 19 (45.24%) Puppet
3 9 (21.43%) Cobbler
4 8 (19.05%) Hadoop YARN
5 3 (7.14%) Nagios
6 2 (4.76%) Salt
7 1 (2.38%) Kubernetes
7 1 (2.38%) Terraform
Vendors
1 8 (19.05%) IBM
1 8 (19.05%) TIBCO
2 7 (16.67%) Oracle
3 3 (7.14%) New Relic
3 3 (7.14%) VMware
4 2 (4.76%) Microsoft
5 1 (2.38%) CA
5 1 (2.38%) Informatica
5 1 (2.38%) SAP