The table below looks at the statistics for RDF skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited RDF over the 3 months to 10 December 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
10 Dec 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 578 642 625
Rank change year-on-year
+64 -17
Contract jobs citing RDF 36 7 23
As % of all contract IT jobs located in the UK 0.073% 0.013% 0.041%
As % of the Processes & Methodologies category 0.088% 0.016% 0.053%
Number of daily rates quoted 23 7 14
Median daily rate £450 £425 £510
Median daily rate % change year-on-year
+5.88% -16.70%
90% offered a daily rate of more than £343 £335 £310
10% offered a daily rate of more than £610 £505 £668
UK excluding London median daily rate £450 £313 £373
% change year-on-year
+44.00% -16.10%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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

Processes & Methodologies Category
UK
Contract IT job ads with a match in the
Processes & Methodologies category
40909 44671 43502
As % of all contract IT jobs located in the UK 82.54% 81.22% 77.13%
Number of daily rates quoted 27247 28978 28332
Median daily rate £450 £425 £420
Median daily rate % change year-on-year
+5.88% +1.19%
90% offered a daily rate of more than £300 £297 £275
10% offered a daily rate of more than £600 £600 £600
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 1079 1330 1204
Median hourly rate £29.25 £30.15 £25.00
Median hourly rate % change year-on-year
-2.98% +20.60%
90% offered a hourly rate of more than £12.50 £12.35 £11.75
10% offered a hourly rate of more than £50.00 £50.00 £48.10
UK excluding London median hourly rate £30.00 £34.00 £25.00
% change year-on-year
-11.76% +36.00%

RDF
Jobs Demand Trend

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

RDF Jobs Demand Trend in the UK

RDF
Daily Rate Trend

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

RDF Daily Rate Trend in the UK

RDF
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing RDF within the UK over the 3 months to 10 December 2016.

RDF Daily Rate Histogram in the UK

RDF
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RDF within the UK over the 3 months to 10 December 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
England +42 31 £450 +5.88% 7
London +23 22 £463 +5.71% 6
South East +24 8 £450 +44.00%
Oxfordshire - 5 £319 -
Oxford - 5 £319 -
Scotland - 5 - -
Glasgow - 4 - -
Bracknell - 2 £450 -
Berkshire - 2 £450 -
East of England - 1 £550 - 1
Cambridge - 1 £550 -
Kent - 1 £700 -
North Lanarkshire - 1 - -
Cambridgeshire - 1 £550 -

RDF
Top 30 Related IT Skills

For the 6 months to 10 December 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 with a requirement for RDF.

1 57 (76.00%) SPARQL
2 45 (60.00%) Agile Software Development
3 39 (52.00%) XML
4 34 (45.33%) Web Services
5 32 (42.67%) SQL
6 31 (41.33%) HTTP
7 30 (40.00%) Java
7 30 (40.00%) REST
8 25 (33.33%) NoSQL
9 23 (30.67%) RESTful
10 22 (29.33%) Scrum
10 22 (29.33%) Ontologies
11 21 (28.00%) Software Engineering
11 21 (28.00%) HTML
12 20 (26.67%) JSON
13 18 (24.00%) C
13 18 (24.00%) Linked Data
14 16 (21.33%) Triplestore
14 16 (21.33%) MySQL
14 16 (21.33%) CSS
14 16 (21.33%) XPath
15 14 (18.67%) Release Management
15 14 (18.67%) TDD
15 14 (18.67%) Linux
16 13 (17.33%) JavaScript
16 13 (17.33%) Maven
17 12 (16.00%) Publishing
17 12 (16.00%) JUnit
17 12 (16.00%) Data Modelling
17 12 (16.00%) BDD

RDF
Top Related 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 8 (10.67%) Apache Spark
2 7 (9.33%) Drupal
2 7 (9.33%) SilverStripe
3 6 (8.00%) CMS
4 3 (4.00%) Apache Qpid
4 3 (4.00%) GlassFish
4 3 (4.00%) Oracle SOA Suite
4 3 (4.00%) Tomcat
4 3 (4.00%) Umbraco
5 2 (2.67%) Apache
5 2 (2.67%) ArcGIS
5 2 (2.67%) GeoServer
5 2 (2.67%) Perch
6 1 (1.33%) SAS
Applications
1 3 (4.00%) MS Excel
1 3 (4.00%) MS PowerPoint
2 1 (1.33%) SPSS
Cloud Services
1 5 (6.67%) Amazon AWS
2 1 (1.33%) Microsoft Azure
Communications & Networking
1 31 (41.33%) HTTP
2 3 (4.00%) HTTPS
2 3 (4.00%) SNMP
Database & Business Intelligence
1 25 (33.33%) NoSQL
2 16 (21.33%) MySQL
2 16 (21.33%) Triplestore
3 10 (13.33%) Big Data
4 8 (10.67%) Hadoop
5 7 (9.33%) Apache Hive
5 7 (9.33%) HBase
5 7 (9.33%) MarkLogic
5 7 (9.33%) MongoDB
5 7 (9.33%) PostgreSQL
6 6 (8.00%) RDBMS
6 6 (8.00%) Relational Database
7 4 (5.33%) GIS
7 4 (5.33%) SQL Server
8 3 (4.00%) CouchDB
9 2 (2.67%) Data Mining
10 1 (1.33%) Mahout
10 1 (1.33%) Text Mining
Development Applications
1 13 (17.33%) Maven
2 12 (16.00%) Git (software)
2 12 (16.00%) JUnit
3 6 (8.00%) GoCD
3 6 (8.00%) Mockito
3 6 (8.00%) Wercker
4 5 (6.67%) Ant
4 5 (6.67%) Mercurial
4 5 (6.67%) Subversion
5 2 (2.67%) Visual Studio
General
1 12 (16.00%) Publishing
2 6 (8.00%) Banking
3 5 (6.67%) Finance
3 5 (6.67%) Investment Banking
4 3 (4.00%) Advertising
4 3 (4.00%) Pharmaceutical
5 2 (2.67%) Military
Job Titles
1 36 (48.00%) Developer
2 14 (18.67%) Java Developer
3 13 (17.33%) Software Engineer
4 10 (13.33%) Architect
5 9 (12.00%) Data Architect
6 7 (9.33%) Scala Developer
6 7 (9.33%) Senior Developer
7 6 (8.00%) Senior Java Developer
7 6 (8.00%) Web Developer
8 5 (6.67%) AWS Developer
8 5 (6.67%) Lead Developer
8 5 (6.67%) Software Developer
9 4 (5.33%) Analyst
9 4 (5.33%) Data Analyst
9 4 (5.33%) Java Scala Developer
9 4 (5.33%) PHP Developer
10 3 (4.00%) Big Data Developer
10 3 (4.00%) C Developer
10 3 (4.00%) C Software Engineer
10 3 (4.00%) SQL Developer
Libraries, Frameworks & Software Standards
1 39 (52.00%) XML
2 34 (45.33%) Web Services
3 30 (40.00%) REST
4 23 (30.67%) RESTful
5 21 (28.00%) HTML
6 20 (26.67%) JSON
7 16 (21.33%) CSS
8 9 (12.00%) JSON-LD
8 9 (12.00%) XSLT
9 7 (9.33%) .NET
9 7 (9.33%) jQuery
9 7 (9.33%) XML Schema
10 6 (8.00%) JAX-RS
10 6 (8.00%) Servlets
10 6 (8.00%) Spring
10 6 (8.00%) XSD
11 5 (6.67%) AngularJS
11 5 (6.67%) JMS
11 5 (6.67%) Natural Language Processing
11 5 (6.67%) Redux
Miscellaneous
1 22 (29.33%) Ontologies
2 18 (24.00%) Linked Data
3 11 (14.67%) W3C
4 9 (12.00%) Semantic Web
4 9 (12.00%) Visualisation
5 8 (10.67%) Computer Science
6 6 (8.00%) Digital Media
6 6 (8.00%) Reference Data
7 4 (5.33%) Neural Network
7 4 (5.33%) Remote Sensing
7 4 (5.33%) Statistics
8 3 (4.00%) Analytical Skills
8 3 (4.00%) Applied Mathematics
8 3 (4.00%) Mathematics
8 3 (4.00%) Taxonomies
9 2 (2.67%) Data Extraction
9 2 (2.67%) Embedded Systems
9 2 (2.67%) Web 2.0
10 1 (1.33%) BBC
10 1 (1.33%) Data Structures
Operating Systems
1 14 (18.67%) Linux
2 2 (2.67%) Unix
Processes & Methodologies
1 45 (60.00%) Agile Software Development
2 22 (29.33%) Scrum
3 21 (28.00%) Software Engineering
4 14 (18.67%) Release Management
4 14 (18.67%) TDD
5 12 (16.00%) BDD
5 12 (16.00%) Data Modelling
6 10 (13.33%) Performance Tuning
6 10 (13.33%) Secure Coding
7 9 (12.00%) Coaching
8 8 (10.67%) High Availability
8 8 (10.67%) Machine Learning
8 8 (10.67%) Web Development
9 7 (9.33%) Analytics
9 7 (9.33%) Continuous Deployment
9 7 (9.33%) MVC
9 7 (9.33%) Unit Testing
10 6 (8.00%) API Development
10 6 (8.00%) API Testing
10 6 (8.00%) Microservices
Programming Languages
1 57 (76.00%) SPARQL
2 32 (42.67%) SQL
3 30 (40.00%) Java
4 18 (24.00%) C
5 16 (21.33%) XPath
6 13 (17.33%) JavaScript
7 10 (13.33%) C++
7 10 (13.33%) Python
8 9 (12.00%) Perl
8 9 (12.00%) PHP
8 9 (12.00%) XQuery
9 6 (8.00%) Objective-C
9 6 (8.00%) Scala
10 3 (4.00%) ANSI C
11 2 (2.67%) TypeScript
12 1 (1.33%) C#
12 1 (1.33%) MATLAB
12 1 (1.33%) R
Qualifications
1 8 (10.67%) Degree
2 6 (8.00%) DV Cleared
2 6 (8.00%) Security Cleared
3 2 (2.67%) SC Cleared
Quality Assurance & Compliance
1 6 (8.00%) Dublin Core
2 2 (2.67%) Disclosure Scotland
2 2 (2.67%) WCAG
3 1 (1.33%) Data Quality
System Software
1 9 (12.00%) Docker
2 3 (4.00%) Shibboleth
Systems Management
1 4 (5.33%) Ansible
1 4 (5.33%) Consul
1 4 (5.33%) Kibana
1 4 (5.33%) Packer
1 4 (5.33%) Terraform
Vendors
1 8 (10.67%) Oracle
2 6 (8.00%) Google
3 4 (5.33%) Facebook
4 3 (4.00%) Microsoft
5 2 (2.67%) i2
6 1 (1.33%) IBM
6 1 (1.33%) Zend