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 2 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
2 Dec 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 409 426 426
Rank change year-on-year
+17 0
Contract jobs citing RDF 27 6 9
As % of all contract IT jobs located in London 0.12% 0.026% 0.037%
As % of the Processes & Methodologies category 0.15% 0.032% 0.046%
Number of daily rates quoted 21 6 5
Median daily rate £463 £438 £533
Median daily rate % change year-on-year
+5.71% -17.91%
90% offered a daily rate of more than £370 £375 £465
10% offered a daily rate of more than £600 £575 £665
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
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
18394 18972 19454
As % of all contract IT jobs located in London 84.87% 83.50% 80.79%
Number of daily rates quoted 13217 13580 14354
Median daily rate £478 £463 £450
Median daily rate % change year-on-year
+3.24% +2.77%
90% offered a daily rate of more than £338 £325 £300
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 197 229 255
Median hourly rate £27.50 £22.00 £23.00
Median hourly rate % change year-on-year
+25.00% -4.34%
90% offered a hourly rate of more than £13.50 £12.50 £11.50
10% offered a hourly rate of more than £50.00 £50.00 £54.70
UK excluding London median hourly rate £30.00 £34.95 £25.00
% change year-on-year
-14.16% +39.80%

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 2 December 2016.

RDF Daily Rate Histogram in London

RDF
Top 30 Related IT Skills in London

For the 6 months to 2 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 London region with a requirement for RDF.

1 56 (94.92%) SPARQL
2 40 (67.80%) Agile Software Development
3 33 (55.93%) Web Services
4 32 (54.24%) HTTP
5 28 (47.46%) SQL
6 27 (45.76%) XML
6 27 (45.76%) RESTful
6 27 (45.76%) REST
7 26 (44.07%) Scrum
8 24 (40.68%) Java
8 24 (40.68%) Software Engineering
9 22 (37.29%) NoSQL
10 20 (33.90%) C
10 20 (33.90%) TDD
11 18 (30.51%) BDD
12 17 (28.81%) JSON
12 17 (28.81%) HTML
13 16 (27.12%) C++
14 15 (25.42%) Triplestore
15 14 (23.73%) W3C
15 14 (23.73%) Linux
16 13 (22.03%) Ontologies
16 13 (22.03%) Maven
16 13 (22.03%) Coaching
17 12 (20.34%) JUnit
17 12 (20.34%) Publishing
18 11 (18.64%) CSS
18 11 (18.64%) Linked Data
18 11 (18.64%) JSON-LD
19 10 (16.95%) Performance Tuning

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 (11.86%) Apache Spark
2 4 (6.78%) Apache Qpid
3 3 (5.08%) CMS
3 3 (5.08%) Oracle SOA Suite
4 2 (3.39%) Apache
5 1 (1.69%) SAS
Applications
1 3 (5.08%) MS Excel
1 3 (5.08%) MS PowerPoint
2 1 (1.69%) SPSS
Cloud Services
1 5 (8.47%) Amazon AWS
2 1 (1.69%) Microsoft Azure
Communications & Networking
1 32 (54.24%) HTTP
2 4 (6.78%) SNMP
3 3 (5.08%) HTTPS
Database & Business Intelligence
1 22 (37.29%) NoSQL
2 15 (25.42%) Triplestore
3 9 (15.25%) Big Data
3 9 (15.25%) MySQL
4 7 (11.86%) Hadoop
4 7 (11.86%) MarkLogic
4 7 (11.86%) MongoDB
5 6 (10.17%) Apache Hive
5 6 (10.17%) HBase
6 5 (8.47%) RDBMS
6 5 (8.47%) Relational Database
7 4 (6.78%) SQL Server
8 3 (5.08%) CouchDB
9 1 (1.69%) Mahout
9 1 (1.69%) Text Mining
Development Applications
1 13 (22.03%) Maven
2 12 (20.34%) JUnit
3 6 (10.17%) GoCD
3 6 (10.17%) Mockito
3 6 (10.17%) Wercker
4 5 (8.47%) Ant
4 5 (8.47%) Git (software)
4 5 (8.47%) Mercurial
4 5 (8.47%) Subversion
General
1 12 (20.34%) Publishing
2 6 (10.17%) Banking
3 5 (8.47%) Finance
3 5 (8.47%) Investment Banking
4 3 (5.08%) Pharmaceutical
Job Titles
1 26 (44.07%) Developer
2 12 (20.34%) Java Developer
2 12 (20.34%) Software Engineer
3 10 (16.95%) Architect
4 9 (15.25%) Data Architect
5 8 (13.56%) Lead Developer
6 6 (10.17%) Scala Developer
6 6 (10.17%) Senior Developer
6 6 (10.17%) Senior Java Developer
7 5 (8.47%) AWS Developer
8 3 (5.08%) Big Data Developer
8 3 (5.08%) C Developer
8 3 (5.08%) C Software Engineer
8 3 (5.08%) Java Scala Developer
8 3 (5.08%) SQL Developer
9 2 (3.39%) C++ Developer
9 2 (3.39%) Consultant
9 2 (3.39%) Lead Java Developer
9 2 (3.39%) Solutions Architect
9 2 (3.39%) Web Developer
Libraries, Frameworks & Software Standards
1 33 (55.93%) Web Services
2 27 (45.76%) REST
2 27 (45.76%) RESTful
2 27 (45.76%) XML
3 17 (28.81%) HTML
3 17 (28.81%) JSON
4 11 (18.64%) CSS
4 11 (18.64%) JSON-LD
5 6 (10.17%) JAX-RS
5 6 (10.17%) Servlets
6 5 (8.47%) ActiveMQ
6 5 (8.47%) AngularJS
6 5 (8.47%) JMS
6 5 (8.47%) Redux
7 4 (6.78%) RabbitMQ
7 4 (6.78%) SAML
8 3 (5.08%) .NET
8 3 (5.08%) Spring
8 3 (5.08%) XHTML
8 3 (5.08%) XSD
Miscellaneous
1 14 (23.73%) W3C
2 13 (22.03%) Ontologies
3 11 (18.64%) Linked Data
4 9 (15.25%) Digital Media
5 6 (10.17%) Reference Data
6 4 (6.78%) Semantic Web
7 3 (5.08%) Analytical Skills
7 3 (5.08%) Computer Science
7 3 (5.08%) Taxonomies
8 2 (3.39%) Embedded Systems
9 1 (1.69%) Algorithms
9 1 (1.69%) BBC
9 1 (1.69%) Data Structures
Operating Systems
1 14 (23.73%) Linux
2 2 (3.39%) Unix
Processes & Methodologies
1 40 (67.80%) Agile Software Development
2 26 (44.07%) Scrum
3 24 (40.68%) Software Engineering
4 20 (33.90%) TDD
5 18 (30.51%) BDD
6 13 (22.03%) Coaching
7 10 (16.95%) Performance Tuning
8 8 (13.56%) High Availability
9 6 (10.17%) API Development
9 6 (10.17%) API Testing
9 6 (10.17%) Continuous Deployment
9 6 (10.17%) Data Modelling
9 6 (10.17%) Microservices
9 6 (10.17%) Release Management
9 6 (10.17%) Unit Testing
10 5 (8.47%) Automated Testing
10 5 (8.47%) Functional Programming
10 5 (8.47%) Line Management
11 4 (6.78%) Content Management
11 4 (6.78%) Data Architecture
Programming Languages
1 56 (94.92%) SPARQL
2 28 (47.46%) SQL
3 24 (40.68%) Java
4 20 (33.90%) C
5 16 (27.12%) C++
6 9 (15.25%) Python
7 8 (13.56%) Objective-C
8 6 (10.17%) XPath
8 6 (10.17%) XQuery
9 5 (8.47%) JavaScript
9 5 (8.47%) Scala
10 3 (5.08%) ANSI C
11 2 (3.39%) C#
11 2 (3.39%) TypeScript
12 1 (1.69%) MATLAB
12 1 (1.69%) R
Qualifications
1 3 (5.08%) Degree
Quality Assurance & Compliance
1 6 (10.17%) Dublin Core
2 1 (1.69%) Data Quality
System Software
1 6 (10.17%) Docker
2 4 (6.78%) Shibboleth
Systems Management
1 4 (6.78%) Ansible
1 4 (6.78%) Consul
1 4 (6.78%) Packer
1 4 (6.78%) Terraform
Vendors
1 8 (13.56%) Oracle
2 3 (5.08%) Microsoft
3 1 (1.69%) IBM