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 29 June 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
29 Jun 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 631 615 600
Rank change year-on-year
-16 -15
Contract jobs citing RDF 12 21 21
As % of all contract IT jobs located in the UK 0.022% 0.037% 0.040%
As % of the Processes & Methodologies category 0.027% 0.047% 0.051%
Number of daily rates quoted 10 15 17
Median daily rate £513 £525 £400
Median daily rate % change year-on-year
-2.38% +31.25%
90% offered a daily rate of more than £461 £500 £293
10% offered a daily rate of more than £611 £628 £501
UK excluding London median daily rate £656 £625 £400
% change year-on-year
+5.00% +56.25%
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
44197 44611 41541
As % of all contract IT jobs located in the UK 82.30% 79.62% 78.32%
Number of daily rates quoted 29356 28750 26041
Median daily rate £438 £413 £400
Median daily rate % change year-on-year
+6.06% +3.12%
90% offered a daily rate of more than £298 £285 £275
10% offered a daily rate of more than £600 £575 £570
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 1042 1189 1204
Median hourly rate £28.00 £28.00 £27.50
Median hourly rate % change year-on-year
- +1.81%
90% offered a hourly rate of more than £13.00 £12.35 £13.00
10% offered a hourly rate of more than £47.83 £50.00 £47.50
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

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 29 June 2016.

RDF Daily Rate Histogram in the UK

RDF
Top 9 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 29 June 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
England -15 12 £513 -2.38% 6
London -2 10 £475 -7.31% 5
City of London +45 1 £450 -16.66%
South East -2 1 £600 - 1
Swindon -4 1 £713 +14.00%
South West -5 1 £713 +14.00%
Wiltshire -8 1 £713 +14.00%
Canary Wharf - 1 £550 -
Berkshire - 1 £600 -

RDF
Top 30 Related IT Skills

For the 6 months to 29 June 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 with a requirement for RDF.

1 20 (68.97%) Java
1 20 (68.97%) Agile Software Development
1 20 (68.97%) SPARQL
2 15 (51.72%) SQL
2 15 (51.72%) Big Data
3 11 (37.93%) Hadoop
3 11 (37.93%) Apache Spark
4 10 (34.48%) HBase
4 10 (34.48%) JSON
4 10 (34.48%) Reference Data
4 10 (34.48%) XML
4 10 (34.48%) Apache
5 9 (31.03%) Unit Testing
5 9 (31.03%) Release Management
5 9 (31.03%) Scala
5 9 (31.03%) Apache Hive
5 9 (31.03%) Relational Database
6 8 (27.59%) Functional Programming
6 8 (27.59%) Data Quality
6 8 (27.59%) RDBMS
6 8 (27.59%) Ant
7 7 (24.14%) C++
7 7 (24.14%) Python
7 7 (24.14%) Data Modelling
7 7 (24.14%) TDD
7 7 (24.14%) Finance
7 7 (24.14%) BDD
8 6 (20.69%) NoSQL
8 6 (20.69%) RESTful
8 6 (20.69%) Semantic Web

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 11 (37.93%) Apache Spark
2 10 (34.48%) Apache
3 4 (13.79%) Apache Solr
3 4 (13.79%) Elasticsearch
4 1 (3.45%) Apache Pig
4 1 (3.45%) Apache Qpid
4 1 (3.45%) Jetty
4 1 (3.45%) SAS
4 1 (3.45%) Tomcat
Applications
1 1 (3.45%) SPSS
Cloud Services
1 1 (3.45%) SaaS
Communications & Networking
1 3 (10.34%) HTTP
2 2 (6.90%) HTTPS
3 1 (3.45%) AMQP
3 1 (3.45%) Internet
3 1 (3.45%) MQTT
3 1 (3.45%) SNMP
Database & Business Intelligence
1 15 (51.72%) Big Data
2 11 (37.93%) Hadoop
3 10 (34.48%) HBase
4 9 (31.03%) Apache Hive
4 9 (31.03%) Relational Database
5 8 (27.59%) RDBMS
6 6 (20.69%) NoSQL
7 4 (13.79%) Triplestore
8 3 (10.34%) MarkLogic
8 3 (10.34%) MongoDB
9 2 (6.90%) CouchDB
10 1 (3.45%) Apache Cassandra
10 1 (3.45%) Couchbase
10 1 (3.45%) Data Warehouse
10 1 (3.45%) DB2
10 1 (3.45%) Mahout
10 1 (3.45%) Pentaho
10 1 (3.45%) SQL Server
10 1 (3.45%) Star Schema
10 1 (3.45%) Text Mining
Development Applications
1 8 (27.59%) Ant
2 4 (13.79%) Maven
2 4 (13.79%) Talend Open Studio
3 2 (6.90%) Git (software)
4 1 (3.45%) Hudson
4 1 (3.45%) Jenkins
4 1 (3.45%) Subversion
General
1 7 (24.14%) Finance
2 6 (20.69%) Banking
3 3 (10.34%) Publishing
4 2 (6.90%) Investment Banking
5 1 (3.45%) Pharmaceutical
Job Titles
1 16 (55.17%) Developer
2 10 (34.48%) Scala Developer
3 6 (20.69%) Java Developer
4 4 (13.79%) Architect
4 4 (13.79%) Big Data Developer
4 4 (13.79%) Data Engineer
4 4 (13.79%) Hadoop Developer
4 4 (13.79%) Lead Developer
5 3 (10.34%) Data Architect
5 3 (10.34%) Java Scala Developer
6 2 (6.90%) Big Data Engineer
6 2 (6.90%) C++ Developer
6 2 (6.90%) Information Architect
6 2 (6.90%) NoSQL Engineer
6 2 (6.90%) Python Developer
7 1 (3.45%) Data Consultant
7 1 (3.45%) Lead Java Developer
7 1 (3.45%) Security Architect
7 1 (3.45%) Senior Java Developer
7 1 (3.45%) SQL Developer
Libraries, Frameworks & Software Standards
1 10 (34.48%) JSON
1 10 (34.48%) XML
2 6 (20.69%) RESTful
2 6 (20.69%) Web Services
3 4 (13.79%) Lucene
4 3 (10.34%) HTML
4 3 (10.34%) JSON-LD
4 3 (10.34%) REST
5 2 (6.90%) .NET
5 2 (6.90%) AngularJS
5 2 (6.90%) CSS
5 2 (6.90%) jQuery
5 2 (6.90%) Kafka
5 2 (6.90%) Spring
6 1 (3.45%) Akka
6 1 (3.45%) MLlib
6 1 (3.45%) RabbitMQ
6 1 (3.45%) SAML
6 1 (3.45%) spray
6 1 (3.45%) XML Schema
Miscellaneous
1 10 (34.48%) Reference Data
2 6 (20.69%) Semantic Web
3 5 (17.24%) W3C
4 3 (10.34%) Digital Media
4 3 (10.34%) Ontologies
5 2 (6.90%) Computer Science
5 2 (6.90%) Linked Data
6 1 (3.45%) Algorithms
6 1 (3.45%) Hedge funds
6 1 (3.45%) Internet of Things
6 1 (3.45%) Machine to Machine
6 1 (3.45%) Smart Energy
Operating Systems
1 1 (3.45%) Linux
Processes & Methodologies
1 20 (68.97%) Agile Software Development
2 9 (31.03%) Release Management
2 9 (31.03%) Unit Testing
3 8 (27.59%) Functional Programming
4 7 (24.14%) BDD
4 7 (24.14%) Data Modelling
4 7 (24.14%) TDD
5 6 (20.69%) SDLC
6 4 (13.79%) Analytics
6 4 (13.79%) Coaching
6 4 (13.79%) ETL
6 4 (13.79%) Scrum
6 4 (13.79%) Software Engineering
7 3 (10.34%) Data Management
8 2 (6.90%) Automated Testing
8 2 (6.90%) Data Analytics
8 2 (6.90%) Line Management
8 2 (6.90%) Open Source
8 2 (6.90%) SOA
8 2 (6.90%) Technical Architecture
Programming Languages
1 20 (68.97%) Java
1 20 (68.97%) SPARQL
2 15 (51.72%) SQL
3 9 (31.03%) Scala
4 7 (24.14%) C++
4 7 (24.14%) Python
5 4 (13.79%) JavaScript
6 2 (6.90%) C
6 2 (6.90%) C#
6 2 (6.90%) Objective-C
6 2 (6.90%) Ruby
6 2 (6.90%) XPath
6 2 (6.90%) XQuery
7 1 (3.45%) Clojure
7 1 (3.45%) Groovy
7 1 (3.45%) MATLAB
7 1 (3.45%) Perl
7 1 (3.45%) PHP
7 1 (3.45%) R
Qualifications
1 2 (6.90%) Degree
Quality Assurance & Compliance
1 8 (27.59%) Data Quality
2 4 (13.79%) Dublin Core
System Software
1 1 (3.45%) Shibboleth
Vendors
1 4 (13.79%) Oracle
1 4 (13.79%) Talend
2 1 (3.45%) Cloudera
2 1 (3.45%) Hortonworks
2 1 (3.45%) IBM
2 1 (3.45%) MapR
2 1 (3.45%) OpenLink
2 1 (3.45%) Teradata