Period
to 24 November 2017

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 6 months to 24 November 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
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 835 811 837
Rank change year-on-year -24 +26 -70
Contract jobs citing Riak 27 44 29
As % of all contract IT jobs advertised in England 0.028% 0.045% 0.028%
As % of the Database & Business Intelligence category 0.13% 0.20% 0.12%
Number of daily rates quoted 13 38 20
England median daily rate £550 £475 £463
Median daily rate % change year-on-year +15.79% +2.70% -11.90%
10th Percentile £386 £325 £374
90th Percentile £588 £588 £476
UK median daily rate £406 £475 £463
% change year-on-year -14.47% +2.70% -11.90%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK 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 advertised in England with a requirement for database or business intelligence skills.

All Database and Business Intelligence Skills
England
Contract vacancies with a requirement for database or business intelligence skills 20938 22027 24466
As % of all contract IT jobs advertised in England 22.08% 22.58% 23.38%
Number of daily rates quoted 14493 14745 16282
England median daily rate £460 £425 £413
Median daily rate % change year-on-year +8.24% +3.03% +3.13%
10th Percentile £313 £290 £275
90th Percentile £638 £600 £588
UK median daily rate £450 £425 £401
% change year-on-year +5.88% +6.12% +1.04%
Number of hourly rates quoted 261 324 390
England median hourly rate £32.00 £27.75 £27.64
Median hourly rate % change year-on-year +15.32% +0.40% +12.82%
10th Percentile £14.54 £11.25 £12.00
90th Percentile £56.75 £48.00 £52.17
UK median hourly rate £31.41 £28.00 £28.13
% change year-on-year +12.16% -0.44% +12.50%

Riak
Job Vacancy Trend in England

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

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 6 months to 24 November 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 6 months to 24 November 2017. 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
London -15 20 £563 +12.50% 1
North of England +57 7 £406 +1.56% 3
Yorkshire +26 7 £406 +1.56% 2
Riak
UK

For the 6 months to 24 November 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 (81.48%) Kafka
2 20 (74.07%) Java
3 19 (70.37%) Python
3 19 (70.37%) MongoDB
3 19 (70.37%) Apache Cassandra
3 19 (70.37%) NoSQL
4 18 (66.67%) Hadoop
4 18 (66.67%) SQL
5 17 (62.96%) Hibernate
6 16 (59.26%) Scrum
6 16 (59.26%) Spring
6 16 (59.26%) JMS
7 15 (55.56%) Amazon AWS
7 15 (55.56%) Bash Shell
8 13 (48.15%) Big Data
8 13 (48.15%) Data Warehouse
8 13 (48.15%) Unix
8 13 (48.15%) Linux
8 13 (48.15%) Continuous Integration
8 13 (48.15%) Agile Software Development
8 13 (48.15%) DevOps
8 13 (48.15%) Apache Spark
9 12 (44.44%) Algorithms
9 12 (44.44%) Relational Database
9 12 (44.44%) JavaScript
9 12 (44.44%) ETL
9 12 (44.44%) Machine Learning
9 12 (44.44%) RabbitMQ
9 12 (44.44%) Apache Solr
9 12 (44.44%) Scala

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 13 (48.15%) Apache Spark
2 12 (44.44%) Apache Solr
3 10 (37.04%) Apache Pig
4 6 (22.22%) Tomcat
5 5 (18.52%) JBoss
5 5 (18.52%) Jetty
5 5 (18.52%) Tornado
5 5 (18.52%) WebLogic
6 4 (14.81%) Apache
7 3 (11.11%) Elasticsearch
8 1 (3.70%) CloudStack
8 1 (3.70%) nginx
Cloud Services
1 15 (55.56%) Amazon AWS
2 9 (33.33%) Amazon EC2
2 9 (33.33%) Microsoft Azure
3 3 (11.11%) Amazon EMR
3 3 (11.11%) Amazon Kinesis
3 3 (11.11%) Amazon S3
3 3 (11.11%) GitHub
3 3 (11.11%) Google Cloud Platform
Communications & Networking
1 5 (18.52%) AMQP
Database & Business Intelligence
1 19 (70.37%) Apache Cassandra
1 19 (70.37%) MongoDB
1 19 (70.37%) NoSQL
2 18 (66.67%) Hadoop
3 13 (48.15%) Big Data
3 13 (48.15%) Data Warehouse
4 12 (44.44%) Relational Database
5 11 (40.74%) Redis
6 10 (37.04%) Apache Hive
6 10 (37.04%) Impala
6 10 (37.04%) MarkLogic
7 9 (33.33%) Data Mining
8 8 (29.63%) Blockchain
9 5 (18.52%) Couchbase
10 3 (11.11%) Amazon DynamoDB
10 3 (11.11%) Bigtable
10 3 (11.11%) MySQL
10 3 (11.11%) Neo4j
10 3 (11.11%) RDBMS
11 2 (7.41%) SQL Server
Development Applications
1 9 (33.33%) Jenkins
2 7 (25.93%) Git (software)
3 6 (22.22%) Maven
3 6 (22.22%) Vagrant
4 5 (18.52%) Cucumber
4 5 (18.52%) FitNesse
4 5 (18.52%) JBehave
4 5 (18.52%) Selenium
5 2 (7.41%) TeamCity
6 1 (3.70%) Gradle
General
1 9 (33.33%) Finance
2 8 (29.63%) Games
Job Titles
1 22 (81.48%) Developer
2 12 (44.44%) Big Data Developer
3 11 (40.74%) Java Developer
4 3 (11.11%) Apache Spark Developer
4 3 (11.11%) Hadoop Developer
4 3 (11.11%) Java Hadoop Developer
4 3 (11.11%) Java Scala Developer
4 3 (11.11%) Scala Developer
4 3 (11.11%) Systems Engineer
5 2 (7.41%) .NET Developer
5 2 (7.41%) DevOps Engineer
5 2 (7.41%) DevOps Systems Engineer
5 2 (7.41%) Operations Engineer
5 2 (7.41%) Python Developer
5 2 (7.41%) Senior Developer
5 2 (7.41%) Senior Java Developer
6 1 (3.70%) Consultant
6 1 (3.70%) HTML Developer
6 1 (3.70%) SAP Consultant
6 1 (3.70%) Unix Engineer
Libraries, Frameworks & Software Standards
1 22 (81.48%) Kafka
2 17 (62.96%) Hibernate
3 16 (59.26%) JMS
3 16 (59.26%) Spring
4 12 (44.44%) RabbitMQ
5 11 (40.74%) Lucene
6 9 (33.33%) Natural Language Processing
7 8 (29.63%) AngularJS
7 8 (29.63%) Play Framework
8 7 (25.93%) Node.js
9 6 (22.22%) ActiveMQ
9 6 (22.22%) Apache Camel
9 6 (22.22%) Flask
10 5 (18.52%) Gherkin
10 5 (18.52%) Spring Boot
11 4 (14.81%) Web Services
12 3 (11.11%) React
12 3 (11.11%) Samza
13 2 (7.41%) ASP.NET
13 2 (7.41%) ASP.NET Core
Miscellaneous
1 12 (44.44%) Algorithms
2 10 (37.04%) Analytical Skills
3 9 (33.33%) Replication
4 8 (29.63%) Fintech
5 3 (11.11%) Data Centre
Operating Systems
1 13 (48.15%) Linux
1 13 (48.15%) Unix
2 10 (37.04%) CentOS
3 9 (33.33%) Red Hat Enterprise Linux
4 1 (3.70%) CoreOS
4 1 (3.70%) Ubuntu
Processes & Methodologies
1 16 (59.26%) Scrum
2 13 (48.15%) Agile Software Development
2 13 (48.15%) Continuous Integration
2 13 (48.15%) DevOps
3 12 (44.44%) ETL
3 12 (44.44%) Machine Learning
4 11 (40.74%) TDD
5 10 (37.04%) Data Analysis
5 10 (37.04%) MapReduce
5 10 (37.04%) Open Source
5 10 (37.04%) Statistical Modelling
6 9 (33.33%) Data Visualisation
6 9 (33.33%) Information Retrieval
6 9 (33.33%) Mathematical Modelling
6 9 (33.33%) Mathematics
6 9 (33.33%) Visualisation
7 8 (29.63%) BDD
7 8 (29.63%) Disruptive Innovation
7 8 (29.63%) Kanban
7 8 (29.63%) Software Engineering
Programming Languages
1 20 (74.07%) Java
2 19 (70.37%) Python
3 18 (66.67%) SQL
4 15 (55.56%) Bash Shell
5 12 (44.44%) JavaScript
5 12 (44.44%) Scala
6 11 (40.74%) C#
7 10 (37.04%) Perl
7 10 (37.04%) R
8 5 (18.52%) Ruby
9 3 (11.11%) Clojure
9 3 (11.11%) Groovy
10 1 (3.70%) Go
System Software
1 10 (37.04%) Docker
Systems Management
1 11 (40.74%) Ansible
2 10 (37.04%) Hadoop YARN
3 9 (33.33%) Opscode Chef
3 9 (33.33%) Puppet
4 4 (14.81%) Terraform
5 3 (11.11%) Nagios
6 1 (3.70%) Kubernetes
Vendors
1 9 (33.33%) Oracle
2 3 (11.11%) Cloudera
2 3 (11.11%) Hortonworks
2 3 (11.11%) New Relic
2 3 (11.11%) SaltStack
2 3 (11.11%) VMware
3 2 (7.41%) Microsoft
4 1 (3.70%) SAP