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 26 February 2017 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 Feb 2017
Same period 2016 Same period 2015
Resource Description Framework (RDF)
UK
Rank 582 608 581
Rank change year-on-year
+26 -27
Contract jobs citing RDF 15 21 30
As % of all contract IT jobs located in the UK 0.034% 0.040% 0.057%
As % of the Processes & Methodologies category 0.040% 0.049% 0.072%
Number of daily rates quoted 8 15 19
Median daily rate £379 £465 £375
Median daily rate % change year-on-year
-18.54% +24.00%
90% offered a daily rate of more than £370 £420 £300
10% offered a daily rate of more than £499 £615 £470
UK excluding London median daily rate - - £375
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
37065 42986 41665
As % of all contract IT jobs located in the UK 82.79% 82.74% 79.50%
Number of daily rates quoted 24644 28105 26278
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 £280
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £408 £400 £399
% change year-on-year
+2.00% +0.24%
Number of hourly rates quoted 929 1180 1114
Median hourly rate £35.75 £38.75 £27.32
Median hourly rate % change year-on-year
-7.74% +41.86%
90% offered a hourly rate of more than £13.00 £13.00 £12.10
10% offered a hourly rate of more than £55.00 £55.00 £49.50
UK excluding London median hourly rate £36.00 £40.00 £28.50
% change year-on-year
-10.00% +40.35%

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 26 February 2017.

RDF Daily Rate Histogram in the UK

RDF
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 RDF within the UK over the 3 months to 26 February 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
England +19 12 £379 -18.54% 7
London +5 8 £379 -18.54% 4
South East +19 3 - - 2
Scotland - 3 - -
Oxford - 3 - -
Glasgow - 3 - -
Oxfordshire - 3 - - 2
City of London +2 1 £413 -1.78% 1
South West - 1 - - 1
Dorset - 1 - -

RDF
Top 30 Related IT Skills

For the 6 months to 26 February 2017, 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 44 (81.48%) SPARQL
2 29 (53.70%) Agile Software Development
3 27 (50.00%) XML
4 24 (44.44%) Web Services
5 21 (38.89%) HTML
5 21 (38.89%) Java
5 21 (38.89%) HTTP
5 21 (38.89%) Linked Data
6 19 (35.19%) REST
7 17 (31.48%) RESTful
7 17 (31.48%) SQL
8 15 (27.78%) Scrum
8 15 (27.78%) NoSQL
9 14 (25.93%) Software Engineering
9 14 (25.93%) Ontologies
9 14 (25.93%) JSON
9 14 (25.93%) JavaScript
10 13 (24.07%) Triplestore
11 12 (22.22%) C
11 12 (22.22%) CSS
11 12 (22.22%) XPath
12 11 (20.37%) MySQL
13 10 (18.52%) C++
13 10 (18.52%) Publishing
13 10 (18.52%) TDD
14 9 (16.67%) Web Development
14 9 (16.67%) Semantic Web
14 9 (16.67%) Secure Coding
15 8 (14.81%) Git (software)
15 8 (14.81%) 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 6 (11.11%) CMS
1 6 (11.11%) Drupal
1 6 (11.11%) SilverStripe
2 3 (5.56%) Apache Qpid
2 3 (5.56%) Umbraco
3 2 (3.70%) Apache Spark
3 2 (3.70%) Oracle SOA Suite
4 1 (1.85%) Apache
4 1 (1.85%) Apache Solr
4 1 (1.85%) ArcGIS
4 1 (1.85%) GeoServer
4 1 (1.85%) GlassFish
4 1 (1.85%) Perch
4 1 (1.85%) SAS
4 1 (1.85%) Tomcat
Applications
1 1 (1.85%) SPSS
Cloud Services
1 2 (3.70%) Amazon AWS
Communications & Networking
1 21 (38.89%) HTTP
2 3 (5.56%) SNMP
3 2 (3.70%) HTTPS
Database & Business Intelligence
1 15 (27.78%) NoSQL
2 13 (24.07%) Triplestore
3 11 (20.37%) MySQL
4 6 (11.11%) MarkLogic
4 6 (11.11%) PostgreSQL
5 5 (9.26%) Big Data
5 5 (9.26%) MongoDB
6 3 (5.56%) Hadoop
7 2 (3.70%) CouchDB
7 2 (3.70%) Data Mining
8 1 (1.85%) Apache Cassandra
8 1 (1.85%) Apache Hive
8 1 (1.85%) Data Warehouse
8 1 (1.85%) HBase
8 1 (1.85%) Mahout
8 1 (1.85%) OLAP
8 1 (1.85%) OLTP
8 1 (1.85%) Oracle OLAP
8 1 (1.85%) Pentaho
8 1 (1.85%) RDBMS
Development Applications
1 8 (14.81%) Git (software)
1 8 (14.81%) JUnit
1 8 (14.81%) Maven
2 6 (11.11%) GoCD
2 6 (11.11%) Mockito
2 6 (11.11%) Wercker
3 2 (3.70%) Mercurial
3 2 (3.70%) Subversion
3 2 (3.70%) Visual Studio
4 1 (1.85%) ERwin
4 1 (1.85%) MagicDraw
General
1 10 (18.52%) Publishing
2 6 (11.11%) Pharmaceutical
3 2 (3.70%) Advertising
3 2 (3.70%) Banking
4 1 (1.85%) Finance
4 1 (1.85%) Wholesale Banking
Job Titles
1 30 (55.56%) Developer
2 12 (22.22%) Java Developer
3 10 (18.52%) Architect
3 10 (18.52%) Data Architect
4 7 (12.96%) Senior Developer
4 7 (12.96%) Web Developer
5 6 (11.11%) Senior Java Developer
5 6 (11.11%) Software Developer
5 6 (11.11%) Software Engineer
6 5 (9.26%) AWS Developer
7 4 (7.41%) Analyst
7 4 (7.41%) Data Analyst
7 4 (7.41%) Lead Developer
7 4 (7.41%) PHP Developer
8 3 (5.56%) C Developer
8 3 (5.56%) Front End Developer (Client-Side Developer)
8 3 (5.56%) Front End Web Developer (Client-Side Developer)
8 3 (5.56%) Semantic Web Developer
9 2 (3.70%) Big Data Developer
9 2 (3.70%) C/C++ Software Engineer
Libraries, Frameworks & Software Standards
1 27 (50.00%) XML
2 24 (44.44%) Web Services
3 21 (38.89%) HTML
4 19 (35.19%) REST
5 17 (31.48%) RESTful
6 14 (25.93%) JSON
7 12 (22.22%) CSS
8 8 (14.81%) XSLT
9 7 (12.96%) HTML5
10 6 (11.11%) .NET
10 6 (11.11%) JAX-RS
10 6 (11.11%) jQuery
10 6 (11.11%) JSON-LD
10 6 (11.11%) Middleware
10 6 (11.11%) Servlets
10 6 (11.11%) XML Schema
11 5 (9.26%) Laravel
11 5 (9.26%) Redux
11 5 (9.26%) Symfony
12 4 (7.41%) XSD
Miscellaneous
1 21 (38.89%) Linked Data
2 9 (16.67%) Semantic Web
3 7 (12.96%) Computer Science
3 7 (12.96%) W3C
4 6 (11.11%) Digital Media
5 2 (3.70%) Data Structures
5 2 (3.70%) Embedded Systems
5 2 (3.70%) Web 2.0
6 1 (1.85%) Management Information System
6 1 (1.85%) Reference Data
6 1 (1.85%) Taxonomies
Operating Systems
1 7 (12.96%) Linux
2 4 (7.41%) Unix
Processes & Methodologies
1 29 (53.70%) Agile Software Development
2 15 (27.78%) Scrum
3 14 (25.93%) Ontologies
3 14 (25.93%) Software Engineering
4 10 (18.52%) TDD
5 9 (16.67%) Secure Coding
5 9 (16.67%) Web Development
6 8 (14.81%) BDD
6 8 (14.81%) Data Modelling
7 7 (12.96%) MVC
7 7 (12.96%) Release Management
8 6 (11.11%) API Development
8 6 (11.11%) API Testing
8 6 (11.11%) Coaching
8 6 (11.11%) Continuous Deployment
8 6 (11.11%) Microservices
9 5 (9.26%) Creative Problem-Solving
9 5 (9.26%) Front End Development
9 5 (9.26%) Performance Tuning
9 5 (9.26%) Visualisation
Programming Languages
1 44 (81.48%) SPARQL
2 21 (38.89%) Java
3 17 (31.48%) SQL
4 14 (25.93%) JavaScript
5 12 (22.22%) C
5 12 (22.22%) XPath
6 10 (18.52%) C++
7 8 (14.81%) Perl
7 8 (14.81%) PHP
8 6 (11.11%) Python
8 6 (11.11%) XQuery
9 5 (9.26%) Objective-C
10 4 (7.41%) TypeScript
11 2 (3.70%) ANSI C
12 1 (1.85%) C#
12 1 (1.85%) MATLAB
12 1 (1.85%) R
12 1 (1.85%) Scala
Qualifications
1 7 (12.96%) Degree
2 1 (1.85%) DV Cleared
2 1 (1.85%) Security Cleared
Quality Assurance & Compliance
1 5 (9.26%) Dublin Core
2 2 (3.70%) Disclosure Scotland
2 2 (3.70%) WCAG
3 1 (1.85%) Data Quality
System Software
1 7 (12.96%) Docker
2 3 (5.56%) Shibboleth
Systems Management
1 4 (7.41%) Ansible
1 4 (7.41%) Consul
1 4 (7.41%) Packer
1 4 (7.41%) Terraform
Vendors
1 5 (9.26%) Oracle
2 1 (1.85%) Google
2 1 (1.85%) IBM
2 1 (1.85%) Informatica