The table below looks at the statistics for RDF skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited RDF over the 3 months to 26 September 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 Sep 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 403 423 428
Rank change year-on-year
+20 +5
Contract jobs citing RDF 37 11 10
As % of all contract IT jobs located in London 0.16% 0.048% 0.041%
As % of the Processes & Methodologies category 0.19% 0.057% 0.050%
Number of daily rates quoted 26 9 9
Median daily rate £456 £475 £400
Median daily rate % change year-on-year
-3.94% +18.75%
90% offered a daily rate of more than £369 £420 £395
10% offered a daily rate of more than £605 £555 £521
UK excluding London median daily rate £349 £300 £501
% change year-on-year
+16.25% -40.05%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
RDF
England

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

Processes & Methodologies Category
London
Contract IT job ads with a match in the
Processes & Methodologies category
19732 19199 19904
As % of all contract IT jobs located in London 86.03% 83.22% 81.20%
Number of daily rates quoted 14121 13782 14102
Median daily rate £475 £450 £450
Median daily rate % change year-on-year
+5.55% -
90% offered a daily rate of more than £325 £313 £300
10% offered a daily rate of more than £620 £625 £600
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 196 218 250
Median hourly rate £25.00 £22.00 £21.62
Median hourly rate % change year-on-year
+13.63% +1.75%
90% offered a hourly rate of more than £12.50 £13.17 £13.46
10% offered a hourly rate of more than £55.00 £52.05 £53.50
UK excluding London median hourly rate £32.50 £33.64 £26.00
% change year-on-year
-3.38% +29.38%

RDF
Jobs Demand Trend in London

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

RDF Jobs Demand Trend in London

RDF
Daily Rate Trend in London

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

RDF Daily Rate Trend in London

RDF
Daily Rate Histogram in London

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

RDF Daily Rate Histogram in London

RDF
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RDF within the London region over the 3 months to 26 September 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
City of London +15 3 £388 -26.19% 2
RDF
England

RDF
Top 30 Related IT Skills in London

For the 6 months to 26 September 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 London region with a requirement for RDF.

1 44 (93.62%) SPARQL
2 33 (70.21%) Agile Software Development
3 28 (59.57%) SQL
4 27 (57.45%) Web Services
4 27 (57.45%) HTTP
5 25 (53.19%) REST
6 22 (46.81%) Scrum
7 21 (44.68%) XML
7 21 (44.68%) NoSQL
8 20 (42.55%) RESTful
9 18 (38.30%) Software Engineering
10 17 (36.17%) Java
11 15 (31.91%) C
12 14 (29.79%) TDD
13 13 (27.66%) C++
13 13 (27.66%) Linux
13 13 (27.66%) BDD
14 11 (23.40%) W3C
14 11 (23.40%) Ontologies
14 11 (23.40%) Triplestore
15 10 (21.28%) JSON
16 9 (19.15%) Publishing
16 9 (19.15%) MySQL
16 9 (19.15%) JUnit
16 9 (19.15%) HTML
16 9 (19.15%) Maven
16 9 (19.15%) Performance Tuning
17 8 (17.02%) Coaching
17 8 (17.02%) Big Data
17 8 (17.02%) High Availability

RDF
Top Related IT Skills in London 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 7 (14.89%) Apache Spark
2 2 (4.26%) Apache
3 1 (2.13%) Apache Qpid
3 1 (2.13%) CMS
3 1 (2.13%) SAS
Applications
1 3 (6.38%) MS Excel
1 3 (6.38%) MS PowerPoint
2 1 (2.13%) SPSS
Cloud Services
1 5 (10.64%) Amazon AWS
2 1 (2.13%) Microsoft Azure
Communications & Networking
1 27 (57.45%) HTTP
2 2 (4.26%) HTTPS
3 1 (2.13%) SNMP
Database & Business Intelligence
1 21 (44.68%) NoSQL
2 11 (23.40%) Triplestore
3 9 (19.15%) MySQL
4 8 (17.02%) Big Data
5 7 (14.89%) Hadoop
6 6 (12.77%) Apache Hive
6 6 (12.77%) HBase
6 6 (12.77%) MongoDB
7 5 (10.64%) RDBMS
7 5 (10.64%) Relational Database
8 4 (8.51%) SQL Server
9 3 (6.38%) MarkLogic
10 2 (4.26%) CouchDB
11 1 (2.13%) Data Mining
11 1 (2.13%) Mahout
11 1 (2.13%) Text Mining
Development Applications
1 9 (19.15%) JUnit
1 9 (19.15%) Maven
2 5 (10.64%) Ant
2 5 (10.64%) Git (software)
2 5 (10.64%) Mercurial
2 5 (10.64%) Subversion
3 3 (6.38%) GoCD
3 3 (6.38%) Mockito
3 3 (6.38%) Wercker
General
1 9 (19.15%) Publishing
2 6 (12.77%) Banking
3 5 (10.64%) Finance
3 5 (10.64%) Investment Banking
Job Titles
1 17 (36.17%) Developer
2 12 (25.53%) Software Engineer
3 10 (21.28%) Architect
4 9 (19.15%) Data Architect
4 9 (19.15%) Java Developer
5 6 (12.77%) Scala Developer
6 5 (10.64%) Lead Developer
7 3 (6.38%) C Software Engineer
7 3 (6.38%) Java Scala Developer
7 3 (6.38%) Senior Developer
7 3 (6.38%) Senior Java Developer
7 3 (6.38%) SQL Developer
8 2 (4.26%) AWS Developer
8 2 (4.26%) Big Data Developer
8 2 (4.26%) C Developer
8 2 (4.26%) C++ Developer
8 2 (4.26%) Lead Java Developer
8 2 (4.26%) Python Developer
8 2 (4.26%) Web Architect
8 2 (4.26%) XML Consultant
Libraries, Frameworks & Software Standards
1 27 (57.45%) Web Services
2 25 (53.19%) REST
3 21 (44.68%) XML
4 20 (42.55%) RESTful
5 10 (21.28%) JSON
6 9 (19.15%) HTML
7 8 (17.02%) CSS
8 7 (14.89%) JSON-LD
9 5 (10.64%) ActiveMQ
9 5 (10.64%) JMS
10 4 (8.51%) AngularJS
11 3 (6.38%) JAX-RS
11 3 (6.38%) Sass
11 3 (6.38%) Servlets
11 3 (6.38%) XHTML
12 2 (4.26%) .NET
12 2 (4.26%) jQuery
12 2 (4.26%) Spring
13 1 (2.13%) Kafka
13 1 (2.13%) Natural Language Processing
Miscellaneous
1 11 (23.40%) Ontologies
1 11 (23.40%) W3C
2 7 (14.89%) Linked Data
3 6 (12.77%) Reference Data
4 4 (8.51%) Digital Media
5 3 (6.38%) Analytical Skills
5 3 (6.38%) Taxonomies
6 2 (4.26%) Computer Science
7 1 (2.13%) Algorithms
7 1 (2.13%) BBC
7 1 (2.13%) Data Structures
7 1 (2.13%) Semantic Web
Operating Systems
1 13 (27.66%) Linux
Processes & Methodologies
1 33 (70.21%) Agile Software Development
2 22 (46.81%) Scrum
3 18 (38.30%) Software Engineering
4 14 (29.79%) TDD
5 13 (27.66%) BDD
6 9 (19.15%) Performance Tuning
7 8 (17.02%) Coaching
7 8 (17.02%) High Availability
8 6 (12.77%) Data Modelling
8 6 (12.77%) Release Management
8 6 (12.77%) Unit Testing
9 5 (10.64%) Functional Programming
10 4 (8.51%) Data Architecture
10 4 (8.51%) Mentoring
11 3 (6.38%) Analytics
11 3 (6.38%) Automated Testing
11 3 (6.38%) Business Transformation
11 3 (6.38%) Information Architecture
11 3 (6.38%) Microservices
11 3 (6.38%) Service Management
Programming Languages
1 44 (93.62%) SPARQL
2 28 (59.57%) SQL
3 17 (36.17%) Java
4 15 (31.91%) C
5 13 (27.66%) C++
6 7 (14.89%) Objective-C
7 6 (12.77%) Python
8 5 (10.64%) Scala
9 3 (6.38%) ANSI C
9 3 (6.38%) XPath
9 3 (6.38%) XQuery
10 2 (4.26%) C#
10 2 (4.26%) JavaScript
11 1 (2.13%) MATLAB
11 1 (2.13%) R
Qualifications
1 2 (4.26%) Degree
Quality Assurance & Compliance
1 6 (12.77%) Dublin Core
2 1 (2.13%) Data Quality
System Software
1 3 (6.38%) Docker
2 1 (2.13%) Shibboleth
Systems Management
1 1 (2.13%) Ansible
1 1 (2.13%) Consul
1 1 (2.13%) Packer
1 1 (2.13%) Terraform
Vendors
1 8 (17.02%) Oracle
2 3 (6.38%) Microsoft
3 1 (2.13%) IBM