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 4 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
4 Dec 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 576 609 600
Rank change year-on-year
+33 -9
Contract jobs citing RDF 32 8 19
As % of all contract IT jobs located in England 0.070% 0.016% 0.036%
As % of the Processes & Methodologies category 0.084% 0.019% 0.047%
Number of daily rates quoted 24 8 11
Median daily rate £456 £413 £550
Median daily rate % change year-on-year
+10.60% -25.00%
90% offered a daily rate of more than £346 £286 £425
10% offered a daily rate of more than £609 £535 £675
UK excluding London median daily rate £450 £269 £488
% change year-on-year
+67.44% -44.87%
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
37885 41254 40531
As % of all contract IT jobs located in England 82.84% 81.42% 77.10%
Number of daily rates quoted 25383 27169 26769
Median daily rate £450 £425 £425
Median daily rate % change year-on-year
+5.88% -
90% offered a daily rate of more than £300 £300 £280
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 995 1228 1147
Median hourly rate £29.00 £30.90 £24.00
Median hourly rate % change year-on-year
-6.14% +28.75%
90% offered a hourly rate of more than £12.50 £12.50 £11.75
10% offered a hourly rate of more than £50.00 £50.00 £48.10
UK excluding London median hourly rate £31.00 £34.95 £25.00
% change year-on-year
-11.30% +39.80%

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 4 December 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 4 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
London +18 24 £463 +5.71% 7
South East +27 7 £450 +44.00%
East of England - 1 £550 - 1
RDF
UK

RDF
Top 30 Related IT Skills in England

For the 6 months to 4 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 across the England region with a requirement for RDF.

1 54 (78.26%) SPARQL
2 44 (63.77%) Agile Software Development
3 36 (52.17%) XML
4 34 (49.28%) Web Services
5 32 (46.38%) SQL
6 31 (44.93%) HTTP
7 30 (43.48%) Java
7 30 (43.48%) REST
8 25 (36.23%) NoSQL
9 23 (33.33%) RESTful
10 22 (31.88%) Scrum
10 22 (31.88%) Ontologies
11 21 (30.43%) Software Engineering
12 20 (28.99%) JSON
13 18 (26.09%) C
14 16 (23.19%) HTML
14 16 (23.19%) Triplestore
15 15 (21.74%) MySQL
15 15 (21.74%) XPath
16 14 (20.29%) TDD
16 14 (20.29%) Linux
17 13 (18.84%) Maven
17 13 (18.84%) Release Management
17 13 (18.84%) Linked Data
18 12 (17.39%) BDD
18 12 (17.39%) Publishing
18 12 (17.39%) Data Modelling
18 12 (17.39%) JUnit
19 11 (15.94%) CSS
19 11 (15.94%) W3C

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 8 (11.59%) Apache Spark
2 6 (8.70%) Drupal
2 6 (8.70%) SilverStripe
3 3 (4.35%) Apache Qpid
3 3 (4.35%) CMS
3 3 (4.35%) GlassFish
3 3 (4.35%) Oracle SOA Suite
3 3 (4.35%) Tomcat
4 2 (2.90%) Apache
4 2 (2.90%) ArcGIS
4 2 (2.90%) GeoServer
4 2 (2.90%) Perch
5 1 (1.45%) SAS
Applications
1 3 (4.35%) MS Excel
1 3 (4.35%) MS PowerPoint
2 1 (1.45%) SPSS
Cloud Services
1 5 (7.25%) Amazon AWS
2 1 (1.45%) Microsoft Azure
Communications & Networking
1 31 (44.93%) HTTP
2 3 (4.35%) HTTPS
2 3 (4.35%) SNMP
Database & Business Intelligence
1 25 (36.23%) NoSQL
2 16 (23.19%) Triplestore
3 15 (21.74%) MySQL
4 10 (14.49%) Big Data
5 8 (11.59%) Hadoop
6 7 (10.14%) Apache Hive
6 7 (10.14%) HBase
6 7 (10.14%) MarkLogic
6 7 (10.14%) MongoDB
7 6 (8.70%) PostgreSQL
7 6 (8.70%) RDBMS
7 6 (8.70%) Relational Database
8 4 (5.80%) GIS
8 4 (5.80%) SQL Server
9 3 (4.35%) CouchDB
10 2 (2.90%) Data Mining
11 1 (1.45%) Mahout
11 1 (1.45%) Text Mining
Development Applications
1 13 (18.84%) Maven
2 12 (17.39%) JUnit
3 11 (15.94%) Git (software)
4 6 (8.70%) GoCD
4 6 (8.70%) Mockito
4 6 (8.70%) Wercker
5 5 (7.25%) Ant
5 5 (7.25%) Mercurial
5 5 (7.25%) Subversion
General
1 12 (17.39%) Publishing
2 6 (8.70%) Banking
3 5 (7.25%) Finance
3 5 (7.25%) Investment Banking
4 3 (4.35%) Advertising
4 3 (4.35%) Pharmaceutical
5 2 (2.90%) Military
Job Titles
1 34 (49.28%) Developer
2 14 (20.29%) Java Developer
3 13 (18.84%) Software Engineer
4 10 (14.49%) Architect
5 9 (13.04%) Data Architect
6 7 (10.14%) Scala Developer
6 7 (10.14%) Senior Developer
7 6 (8.70%) Senior Java Developer
7 6 (8.70%) Web Developer
8 5 (7.25%) AWS Developer
8 5 (7.25%) Lead Developer
9 4 (5.80%) Java Scala Developer
9 4 (5.80%) Software Developer
10 3 (4.35%) Big Data Developer
10 3 (4.35%) C Developer
10 3 (4.35%) C Software Engineer
10 3 (4.35%) Data Scientist
10 3 (4.35%) PHP Developer
10 3 (4.35%) SQL Developer
11 2 (2.90%) Semantic Web Developer
Libraries, Frameworks & Software Standards
1 36 (52.17%) XML
2 34 (49.28%) Web Services
3 30 (43.48%) REST
4 23 (33.33%) RESTful
5 20 (28.99%) JSON
6 16 (23.19%) HTML
7 11 (15.94%) CSS
8 9 (13.04%) JSON-LD
9 8 (11.59%) XSLT
10 6 (8.70%) JAX-RS
10 6 (8.70%) Servlets
10 6 (8.70%) Spring
10 6 (8.70%) XML Schema
10 6 (8.70%) XSD
11 5 (7.25%) ActiveMQ
11 5 (7.25%) AngularJS
11 5 (7.25%) JMS
11 5 (7.25%) Natural Language Processing
11 5 (7.25%) Redux
12 4 (5.80%) Django
Miscellaneous
1 22 (31.88%) Ontologies
2 13 (18.84%) Linked Data
3 11 (15.94%) W3C
4 9 (13.04%) Semantic Web
5 7 (10.14%) Computer Science
6 6 (8.70%) Digital Media
6 6 (8.70%) Reference Data
7 4 (5.80%) Neural Network
7 4 (5.80%) Remote Sensing
7 4 (5.80%) Statistics
7 4 (5.80%) Visualisation
8 3 (4.35%) Analytical Skills
8 3 (4.35%) Applied Mathematics
8 3 (4.35%) Mathematics
8 3 (4.35%) Taxonomies
9 2 (2.90%) Data Extraction
9 2 (2.90%) Embedded Systems
10 1 (1.45%) Algorithms
10 1 (1.45%) BBC
10 1 (1.45%) Data Structures
Operating Systems
1 14 (20.29%) Linux
2 2 (2.90%) Unix
Processes & Methodologies
1 44 (63.77%) Agile Software Development
2 22 (31.88%) Scrum
3 21 (30.43%) Software Engineering
4 14 (20.29%) TDD
5 13 (18.84%) Release Management
6 12 (17.39%) BDD
6 12 (17.39%) Data Modelling
7 10 (14.49%) Performance Tuning
8 9 (13.04%) Coaching
8 9 (13.04%) Secure Coding
9 8 (11.59%) High Availability
9 8 (11.59%) Machine Learning
10 7 (10.14%) Analytics
10 7 (10.14%) Continuous Deployment
10 7 (10.14%) Unit Testing
10 7 (10.14%) Web Development
11 6 (8.70%) API Development
11 6 (8.70%) API Testing
11 6 (8.70%) Mentoring
11 6 (8.70%) Microservices
Programming Languages
1 54 (78.26%) SPARQL
2 32 (46.38%) SQL
3 30 (43.48%) Java
4 18 (26.09%) C
5 15 (21.74%) XPath
6 10 (14.49%) C++
6 10 (14.49%) Python
7 9 (13.04%) XQuery
8 8 (11.59%) JavaScript
8 8 (11.59%) Perl
8 8 (11.59%) PHP
9 6 (8.70%) Objective-C
9 6 (8.70%) Scala
10 3 (4.35%) ANSI C
11 2 (2.90%) TypeScript
12 1 (1.45%) MATLAB
12 1 (1.45%) R
Qualifications
1 7 (10.14%) Degree
2 6 (8.70%) DV Cleared
2 6 (8.70%) Security Cleared
3 2 (2.90%) SC Cleared
Quality Assurance & Compliance
1 6 (8.70%) Dublin Core
2 1 (1.45%) Data Quality
System Software
1 9 (13.04%) Docker
2 3 (4.35%) Shibboleth
Systems Management
1 4 (5.80%) Ansible
1 4 (5.80%) Consul
1 4 (5.80%) Kibana
1 4 (5.80%) Packer
1 4 (5.80%) Terraform
Vendors
1 8 (11.59%) Oracle
2 6 (8.70%) Google
3 4 (5.80%) Facebook
4 3 (4.35%) Microsoft
5 2 (2.90%) i2
6 1 (1.45%) IBM
6 1 (1.45%) Zend