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 21 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
21 Feb 2017
Same period 2016 Same period 2015
Resource Description Framework (RDF)
England / London
Rank 399 396 392
Rank change year-on-year
-3 -4
Contract jobs citing RDF 8 20 15
As % of all contract IT jobs located in London 0.041% 0.095% 0.071%
As % of the Processes & Methodologies category 0.049% 0.11% 0.087%
Number of daily rates quoted 8 15 10
Median daily rate £379 £465 £348
Median daily rate % change year-on-year
-18.54% +33.81%
90% offered a daily rate of more than £370 £420 £300
10% offered a daily rate of more than £499 £615 £467
UK excluding London median daily rate £319 - £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 in the London region.

Processes & Methodologies Category
London
Contract IT job ads with a match in the
Processes & Methodologies category
16371 17920 17326
As % of all contract IT jobs located in London 84.72% 84.94% 82.10%
Number of daily rates quoted 11854 12787 12360
Median daily rate £475 £475 £450
Median daily rate % change year-on-year
- +5.55%
90% offered a daily rate of more than £340 £325 £305
10% offered a daily rate of more than £638 £625 £600
UK excluding London median daily rate £410 £400 £400
% change year-on-year
+2.50% -
Number of hourly rates quoted 159 219 198
Median hourly rate £33.00 £22.50 £21.50
Median hourly rate % change year-on-year
+46.66% +4.65%
90% offered a hourly rate of more than £14.04 £12.50 £11.00
10% offered a hourly rate of more than £55.00 £53.00 £51.50
UK excluding London median hourly rate £35.75 £40.00 £27.50
% change year-on-year
-10.62% +45.45%

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 21 February 2017.

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 21 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
City of London -3 1 £413 -1.78% 2
RDF
England

RDF
Top 30 Related IT Skills in London

For the 6 months to 21 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 across the London region with a requirement for RDF.

1 42 (95.45%) SPARQL
2 27 (61.36%) HTTP
3 26 (59.09%) Web Services
4 24 (54.55%) Agile Software Development
5 23 (52.27%) REST
6 20 (45.45%) RESTful
7 19 (43.18%) Scrum
7 19 (43.18%) SQL
7 19 (43.18%) NoSQL
8 18 (40.91%) Software Engineering
8 18 (40.91%) XML
9 17 (38.64%) Java
10 16 (36.36%) C
10 16 (36.36%) HTML
11 15 (34.09%) Linked Data
12 13 (29.55%) Triplestore
12 13 (29.55%) Ontologies
12 13 (29.55%) C++
13 12 (27.27%) TDD
14 11 (25.00%) Publishing
14 11 (25.00%) Linux
14 11 (25.00%) JSON
15 10 (22.73%) BDD
15 10 (22.73%) JUnit
16 8 (18.18%) Objective-C
16 8 (18.18%) JavaScript
16 8 (18.18%) MySQL
16 8 (18.18%) W3C
16 8 (18.18%) Performance Tuning
16 8 (18.18%) Maven

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 3 (6.82%) Apache Qpid
1 3 (6.82%) CMS
2 2 (4.55%) Oracle SOA Suite
3 1 (2.27%) Apache
3 1 (2.27%) Apache Spark
3 1 (2.27%) SAS
Applications
1 1 (2.27%) SPSS
Cloud Services
1 4 (9.09%) Amazon AWS
Communications & Networking
1 27 (61.36%) HTTP
2 3 (6.82%) SNMP
3 2 (4.55%) HTTPS
Database & Business Intelligence
1 19 (43.18%) NoSQL
2 13 (29.55%) Triplestore
3 8 (18.18%) MySQL
4 6 (13.64%) MarkLogic
4 6 (13.64%) MongoDB
5 4 (9.09%) Big Data
6 2 (4.55%) CouchDB
7 1 (2.27%) Hadoop
7 1 (2.27%) Mahout
Development Applications
1 10 (22.73%) JUnit
2 8 (18.18%) Maven
3 6 (13.64%) GoCD
3 6 (13.64%) Mockito
3 6 (13.64%) Wercker
4 4 (9.09%) Git (software)
4 4 (9.09%) Mercurial
4 4 (9.09%) Subversion
General
1 11 (25.00%) Publishing
2 6 (13.64%) Pharmaceutical
3 1 (2.27%) Banking
3 1 (2.27%) Finance
Job Titles
1 20 (45.45%) Developer
2 11 (25.00%) Java Developer
3 10 (22.73%) Architect
3 10 (22.73%) Data Architect
3 10 (22.73%) Software Engineer
4 7 (15.91%) Senior Developer
5 6 (13.64%) Senior Java Developer
6 5 (11.36%) AWS Developer
7 4 (9.09%) Lead Developer
7 4 (9.09%) Web Developer
8 3 (6.82%) C Developer
8 3 (6.82%) C Software Engineer
8 3 (6.82%) Front End Developer (Client-Side Developer)
8 3 (6.82%) Front End Web Developer (Client-Side Developer)
9 2 (4.55%) Big Data Developer
9 2 (4.55%) C++ Developer
9 2 (4.55%) C++ Software Engineer
9 2 (4.55%) Software Developer
9 2 (4.55%) Solutions Architect
9 2 (4.55%) Web Architect
Libraries, Frameworks & Software Standards
1 26 (59.09%) Web Services
2 23 (52.27%) REST
3 20 (45.45%) RESTful
4 18 (40.91%) XML
5 16 (36.36%) HTML
6 11 (25.00%) JSON
7 7 (15.91%) CSS
8 6 (13.64%) JAX-RS
8 6 (13.64%) JSON-LD
8 6 (13.64%) Middleware
8 6 (13.64%) Servlets
9 5 (11.36%) HTML5
9 5 (11.36%) Redux
10 4 (9.09%) ActiveMQ
10 4 (9.09%) JMS
11 3 (6.82%) AngularJS
11 3 (6.82%) RabbitMQ
11 3 (6.82%) ReactiveX
11 3 (6.82%) SAML
11 3 (6.82%) XSD
Miscellaneous
1 15 (34.09%) Linked Data
2 8 (18.18%) W3C
3 7 (15.91%) Semantic Web
4 6 (13.64%) Digital Media
5 2 (4.55%) Computer Science
5 2 (4.55%) Embedded Systems
6 1 (2.27%) Data Structures
6 1 (2.27%) Management Information System
Operating Systems
1 11 (25.00%) Linux
2 4 (9.09%) Unix
Processes & Methodologies
1 24 (54.55%) Agile Software Development
2 19 (43.18%) Scrum
3 18 (40.91%) Software Engineering
4 13 (29.55%) Ontologies
5 12 (27.27%) TDD
6 10 (22.73%) BDD
7 8 (18.18%) Performance Tuning
8 6 (13.64%) API Development
8 6 (13.64%) API Testing
8 6 (13.64%) Coaching
8 6 (13.64%) Continuous Deployment
8 6 (13.64%) Data Modelling
8 6 (13.64%) Microservices
9 5 (11.36%) Content Management
9 5 (11.36%) Front End Development
9 5 (11.36%) Web Development
10 4 (9.09%) Data Architecture
10 4 (9.09%) DevOps
10 4 (9.09%) High Availability
11 3 (6.82%) Line Management
Programming Languages
1 42 (95.45%) SPARQL
2 19 (43.18%) SQL
3 17 (38.64%) Java
4 16 (36.36%) C
5 13 (29.55%) C++
6 8 (18.18%) JavaScript
6 8 (18.18%) Objective-C
7 5 (11.36%) XPath
7 5 (11.36%) XQuery
8 4 (9.09%) Python
8 4 (9.09%) TypeScript
9 3 (6.82%) ANSI C
10 1 (2.27%) MATLAB
10 1 (2.27%) R
Qualifications
1 2 (4.55%) Degree
Quality Assurance & Compliance
1 6 (13.64%) Dublin Core
System Software
1 6 (13.64%) Docker
2 3 (6.82%) Shibboleth
Systems Management
1 4 (9.09%) Ansible
1 4 (9.09%) Consul
1 4 (9.09%) Packer
1 4 (9.09%) Terraform
Vendors
1 6 (13.64%) Oracle
2 1 (2.27%) IBM