The table below looks at the statistics for RDF skills in IT contracts advertised for the England region. Included is a guide to the contractor rates offered in IT contracts that have cited RDF over the 3 months to 26 July 2016 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
26 Jul 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 604 601 561
Rank change year-on-year
-3 -40
Contract jobs citing RDF 24 13 31
As % of all contract IT jobs located in England 0.048% 0.025% 0.064%
As % of the Processes & Methodologies category 0.058% 0.032% 0.081%
Number of daily rates quoted 16 8 26
Median daily rate £456 £525 £419
Median daily rate % change year-on-year
-13.09% +25.37%
90% offered a daily rate of more than £325 £485 £315
10% offered a daily rate of more than £600 £613 £513
UK excluding London median daily rate £450 £613 £501
% change year-on-year
-26.53% +22.37%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
RDF
UK

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the England region.

Processes & Methodologies Category
England
Contract IT job ads with a match in the
Processes & Methodologies category
41414 41262 38397
As % of all contract IT jobs located in England 83.03% 79.98% 78.93%
Number of daily rates quoted 27624 27289 24283
Median daily rate £450 £420 £404
Median daily rate % change year-on-year
+7.14% +4.08%
90% offered a daily rate of more than £300 £288 £275
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 943 1073 1105
Median hourly rate £28.50 £27.50 £25.00
Median hourly rate % change year-on-year
+3.63% +10.00%
90% offered a hourly rate of more than £12.58 £12.50 £13.00
10% offered a hourly rate of more than £51.50 £52.31 £45.00
UK excluding London median hourly rate £30.00 £30.50 £26.98
% change year-on-year
-1.63% +13.06%

RDF
Jobs Demand Trend in England

The demand trend of contract jobs across the England region citing RDF as a proportion of all IT contracts with a match in the Processes & Methodologies category.

RDF Jobs Demand Trend in England

RDF
Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing RDF across the England region.

RDF Daily Rate Trend in England

RDF
Daily Rate Histogram in England

This chart provides a histogram of daily rates quoted in contract IT jobs citing RDF across the England region over the 3 months to 26 July 2016.

RDF Daily Rate Histogram in England

RDF
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 RDF within the England region over the 3 months to 26 July 2016. 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
(Click see detailed
statistics and trends)
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
London +9 18 £456 -10.97% 4
South East +14 3 £300 -
East of England - 2 - -
South West -5 1 £713 +16.32%
RDF
UK

RDF
Top 30 Related IT Skills in England

For the 6 months to 26 July 2016, IT contractor jobs citing RDF 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 RDF.

1 29 (82.86%) SPARQL
2 26 (74.29%) Agile Software Development
3 22 (62.86%) Java
4 19 (54.29%) SQL
5 14 (40.00%) XML
5 14 (40.00%) Big Data
6 13 (37.14%) Apache Spark
6 13 (37.14%) Hadoop
6 13 (37.14%) Release Management
7 12 (34.29%) Reference Data
7 12 (34.29%) HBase
8 11 (31.43%) Apache Hive
8 11 (31.43%) Unit Testing
8 11 (31.43%) Web Services
9 10 (28.57%) Apache
9 10 (28.57%) Ant
9 10 (28.57%) RDBMS
9 10 (28.57%) Scala
9 10 (28.57%) JSON
9 10 (28.57%) Functional Programming
9 10 (28.57%) Relational Database
10 9 (25.71%) REST
10 9 (25.71%) BDD
10 9 (25.71%) TDD
10 9 (25.71%) Software Engineering
10 9 (25.71%) Finance
10 9 (25.71%) Scrum
11 8 (22.86%) HTTP
11 8 (22.86%) Banking
11 8 (22.86%) RESTful

RDF
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 13 (37.14%) Apache Spark
2 10 (28.57%) Apache
3 2 (5.71%) Drupal
3 2 (5.71%) GlassFish
3 2 (5.71%) SilverStripe
3 2 (5.71%) Tomcat
4 1 (2.86%) Apache Pig
4 1 (2.86%) Apache Qpid
4 1 (2.86%) ArcGIS
4 1 (2.86%) GeoServer
4 1 (2.86%) Perch
4 1 (2.86%) SAS
Applications
1 2 (5.71%) MS Excel
1 2 (5.71%) MS PowerPoint
2 1 (2.86%) SPSS
Cloud Services
1 2 (5.71%) Amazon AWS
2 1 (2.86%) Microsoft Azure
2 1 (2.86%) SaaS
Communications & Networking
1 8 (22.86%) HTTP
2 2 (5.71%) HTTPS
3 1 (2.86%) AMQP
3 1 (2.86%) Internet
3 1 (2.86%) MQTT
3 1 (2.86%) SNMP
Database & Business Intelligence
1 14 (40.00%) Big Data
2 13 (37.14%) Hadoop
3 12 (34.29%) HBase
4 11 (31.43%) Apache Hive
5 10 (28.57%) RDBMS
5 10 (28.57%) Relational Database
6 8 (22.86%) NoSQL
7 6 (17.14%) Triplestore
8 4 (11.43%) MySQL
9 3 (8.57%) MarkLogic
9 3 (8.57%) MongoDB
9 3 (8.57%) SQL Server
10 2 (5.71%) CouchDB
10 2 (5.71%) PostgreSQL
11 1 (2.86%) Data Mining
11 1 (2.86%) Data Warehouse
11 1 (2.86%) DB2
11 1 (2.86%) Pentaho
11 1 (2.86%) Star Schema
11 1 (2.86%) Text Mining
Development Applications
1 10 (28.57%) Ant
2 5 (14.29%) Maven
3 4 (11.43%) Git (software)
4 3 (8.57%) JUnit
5 2 (5.71%) Mercurial
5 2 (5.71%) Subversion
General
1 9 (25.71%) Finance
2 8 (22.86%) Banking
3 4 (11.43%) Investment Banking
4 3 (8.57%) Publishing
5 1 (2.86%) Advertising
Job Titles
1 20 (57.14%) Developer
2 11 (31.43%) Scala Developer
3 7 (20.00%) Java Developer
4 5 (14.29%) Software Engineer
5 4 (11.43%) Big Data Developer
5 4 (11.43%) Hadoop Developer
5 4 (11.43%) Java Scala Developer
5 4 (11.43%) Lead Developer
6 3 (8.57%) Architect
7 2 (5.71%) C Software Engineer
7 2 (5.71%) C++ Developer
7 2 (5.71%) Consultant
7 2 (5.71%) Data Architect
7 2 (5.71%) Python Developer
7 2 (5.71%) Senior Developer
7 2 (5.71%) SQL Developer
8 1 (2.86%) C Developer
8 1 (2.86%) Data Consultant
8 1 (2.86%) Java Software Developer
8 1 (2.86%) Lead Java Developer
Libraries, Frameworks & Software Standards
1 14 (40.00%) XML
2 11 (31.43%) Web Services
3 10 (28.57%) JSON
4 9 (25.71%) REST
5 8 (22.86%) RESTful
6 6 (17.14%) JSON-LD
7 5 (14.29%) HTML
8 4 (11.43%) CSS
8 4 (11.43%) Spring
9 3 (8.57%) Natural Language Processing
9 3 (8.57%) XML Schema
10 2 (5.71%) .NET
10 2 (5.71%) AngularJS
10 2 (5.71%) J2EE
10 2 (5.71%) JMS
10 2 (5.71%) Kafka
10 2 (5.71%) Sass
10 2 (5.71%) XHTML
10 2 (5.71%) XSD
10 2 (5.71%) XSLT
Miscellaneous
1 12 (34.29%) Reference Data
2 6 (17.14%) W3C
3 4 (11.43%) Ontologies
4 3 (8.57%) Digital Media
5 2 (5.71%) Analytical Skills
5 2 (5.71%) Computer Science
5 2 (5.71%) Semantic Web
5 2 (5.71%) Taxonomies
6 1 (2.86%) Algorithms
6 1 (2.86%) BBC
6 1 (2.86%) Hedge funds
6 1 (2.86%) Internet of Things
6 1 (2.86%) Machine to Machine
6 1 (2.86%) Smart Energy
Operating Systems
1 4 (11.43%) Linux
Processes & Methodologies
1 26 (74.29%) Agile Software Development
2 13 (37.14%) Release Management
3 11 (31.43%) Unit Testing
4 10 (28.57%) Functional Programming
5 9 (25.71%) BDD
5 9 (25.71%) Scrum
5 9 (25.71%) Software Engineering
5 9 (25.71%) TDD
6 7 (20.00%) SDLC
7 6 (17.14%) Coaching
8 4 (11.43%) Analytics
8 4 (11.43%) High Availability
8 4 (11.43%) Machine Learning
9 3 (8.57%) Information Architecture
9 3 (8.57%) Mentoring
9 3 (8.57%) Performance Tuning
9 3 (8.57%) Secure Coding
10 2 (5.71%) Continuous Delivery
10 2 (5.71%) Line Management
10 2 (5.71%) Translating Business Requirements
Programming Languages
1 29 (82.86%) SPARQL
2 22 (62.86%) Java
3 19 (54.29%) SQL
4 10 (28.57%) Scala
5 7 (20.00%) C++
6 6 (17.14%) C
6 6 (17.14%) Python
6 6 (17.14%) XPath
7 4 (11.43%) JavaScript
7 4 (11.43%) XQuery
8 2 (5.71%) C#
8 2 (5.71%) Objective-C
8 2 (5.71%) Perl
8 2 (5.71%) PHP
9 1 (2.86%) MATLAB
9 1 (2.86%) R
9 1 (2.86%) Ruby
Qualifications
1 2 (5.71%) Degree
1 2 (5.71%) DV Cleared
1 2 (5.71%) Security Cleared
Quality Assurance & Compliance
1 8 (22.86%) Data Quality
System Software
1 2 (5.71%) Docker
2 1 (2.86%) Shibboleth
Vendors
1 6 (17.14%) Oracle
2 2 (5.71%) Microsoft
3 1 (2.86%) Cloudera
3 1 (2.86%) Google
3 1 (2.86%) Hortonworks
3 1 (2.86%) IBM
3 1 (2.86%) MapR
3 1 (2.86%) Teradata
3 1 (2.86%) Zend
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