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 24 May 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
24 May 2016
Same period 2015 Same period 2014
Resource Description Framework (RDF)
Rank 610 591 558
Rank change year-on-year
-19 -33
Contract jobs citing RDF 7 18 26
As % of all contract IT jobs located in England 0.014% 0.037% 0.053%
As % of the Processes & Methodologies category 0.017% 0.046% 0.068%
Number of daily rates quoted 7 14 19
Median daily rate £670 £506 £425
Median daily rate % change year-on-year
+32.34% +19.11%
90% offered a daily rate of more than £580 £375 £300
10% offered a daily rate of more than £690 £626 £501
UK excluding London median daily rate £656 £638 £488
% change year-on-year
+2.94% +30.70%
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
40315 38993 38117
As % of all contract IT jobs located in England 82.10% 79.28% 78.10%
Number of daily rates quoted 26990 25067 24411
Median daily rate £450 £415 £400
Median daily rate % change year-on-year
+8.43% +3.75%
90% offered a daily rate of more than £300 £285 £275
10% offered a daily rate of more than £600 £575 £568
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 894 1117 1167
Median hourly rate £27.50 £29.00 £29.25
Median hourly rate % change year-on-year
-5.17% -0.85%
90% offered a hourly rate of more than £12.50 £12.00 £12.50
10% offered a hourly rate of more than £47.39 £47.83 £47.50
UK excluding London median hourly rate £35.00 £31.00 £30.00
% change year-on-year
+12.90% +3.33%

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 24 May 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 24 May 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 -19 5 £670 +34.00% 4
South West -2 1 £713 +11.76%
South East - 1 £600 -
RDF
UK

RDF
Top 30 Related IT Skills in England

For the 6 months to 24 May 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 20 (71.43%) SQL
2 18 (64.29%) Agile Software Development
3 16 (57.14%) JSON
3 16 (57.14%) Java
3 16 (57.14%) XML
3 16 (57.14%) Big Data
4 13 (46.43%) SPARQL
4 13 (46.43%) NoSQL
5 12 (42.86%) Data Modelling
6 10 (35.71%) ETL
6 10 (35.71%) Talend Open Studio
6 10 (35.71%) Talend
7 9 (32.14%) Scala
7 9 (32.14%) Dublin Core
8 8 (28.57%) Hadoop
8 8 (28.57%) Semantic Web
8 8 (28.57%) Reference Data
8 8 (28.57%) Apache Solr
8 8 (28.57%) HBase
8 8 (28.57%) Elasticsearch
8 8 (28.57%) Relational Database
8 8 (28.57%) Apache Spark
8 8 (28.57%) Apache
8 8 (28.57%) Lucene
9 7 (25.00%) Unit Testing
9 7 (25.00%) Data Quality
9 7 (25.00%) Apache Hive
10 6 (21.43%) SDLC
10 6 (21.43%) Functional Programming
10 6 (21.43%) Finance

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 (28.57%) Apache
1 8 (28.57%) Apache Solr
1 8 (28.57%) Apache Spark
1 8 (28.57%) Elasticsearch
2 1 (3.57%) Apache Pig
2 1 (3.57%) Jetty
2 1 (3.57%) Tomcat
Cloud Services
1 1 (3.57%) SaaS
Communications & Networking
1 3 (10.71%) HTTP
1 3 (10.71%) HTTPS
2 1 (3.57%) AMQP
2 1 (3.57%) Internet
2 1 (3.57%) MQTT
Database & Business Intelligence
1 16 (57.14%) Big Data
2 13 (46.43%) NoSQL
3 8 (28.57%) Hadoop
3 8 (28.57%) HBase
3 8 (28.57%) Relational Database
4 7 (25.00%) Apache Hive
5 6 (21.43%) RDBMS
6 4 (14.29%) MarkLogic
6 4 (14.29%) MongoDB
7 3 (10.71%) CouchDB
7 3 (10.71%) Triplestore
8 1 (3.57%) Apache Cassandra
8 1 (3.57%) Couchbase
8 1 (3.57%) Data Warehouse
8 1 (3.57%) DB2
8 1 (3.57%) Pentaho
8 1 (3.57%) Star Schema
Development Applications
1 10 (35.71%) Talend Open Studio
2 6 (21.43%) Ant
3 4 (14.29%) Maven
4 3 (10.71%) Git (software)
5 2 (7.14%) Hudson
5 2 (7.14%) Jenkins
5 2 (7.14%) Subversion
General
1 6 (21.43%) Finance
2 4 (14.29%) Banking
2 4 (14.29%) Publishing
3 1 (3.57%) Investment Banking
3 1 (3.57%) Pharmaceutical
Job Titles
1 13 (46.43%) Developer
2 10 (35.71%) Data Engineer
3 9 (32.14%) Scala Developer
4 6 (21.43%) Big Data Engineer
4 6 (21.43%) Java Developer
5 5 (17.86%) NoSQL Engineer
6 4 (14.29%) Hadoop Developer
7 3 (10.71%) Architect
7 3 (10.71%) Big Data Developer
7 3 (10.71%) Data Architect
8 2 (7.14%) Information Architect
8 2 (7.14%) Java Scala Developer
8 2 (7.14%) Lead Developer
8 2 (7.14%) Lead Java Developer
9 1 (3.57%) Data Consultant
9 1 (3.57%) IoT Architect
9 1 (3.57%) Java Hadoop Developer
9 1 (3.57%) Senior Developer
9 1 (3.57%) Senior Java Scala Developer
9 1 (3.57%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 16 (57.14%) JSON
1 16 (57.14%) XML
2 8 (28.57%) Lucene
3 5 (17.86%) REST
4 3 (10.71%) .NET
4 3 (10.71%) AngularJS
4 3 (10.71%) CSS
4 3 (10.71%) HTML
4 3 (10.71%) jQuery
4 3 (10.71%) RESTful
4 3 (10.71%) Spring
4 3 (10.71%) Web Services
5 2 (7.14%) Akka
5 2 (7.14%) spray
6 1 (3.57%) JAX-RS
6 1 (3.57%) JSON-LD
6 1 (3.57%) Kafka
6 1 (3.57%) Natural Language Processing
6 1 (3.57%) XML Schema
Miscellaneous
1 8 (28.57%) Reference Data
1 8 (28.57%) Semantic Web
2 3 (10.71%) Linked Data
3 2 (7.14%) Computer Science
3 2 (7.14%) Ontologies
3 2 (7.14%) W3C
4 1 (3.57%) Hedge funds
4 1 (3.57%) Internet of Things
4 1 (3.57%) Machine to Machine
4 1 (3.57%) Smart Energy
Operating Systems
1 2 (7.14%) Linux
Processes & Methodologies
1 18 (64.29%) Agile Software Development
2 12 (42.86%) Data Modelling
3 10 (35.71%) ETL
4 7 (25.00%) Unit Testing
5 6 (21.43%) Functional Programming
5 6 (21.43%) SDLC
6 4 (14.29%) Analytics
7 3 (10.71%) SOA
8 2 (7.14%) BDD
8 2 (7.14%) Continuous Delivery
8 2 (7.14%) Data Management
8 2 (7.14%) High Availability
8 2 (7.14%) Information Architecture
8 2 (7.14%) Machine Learning
8 2 (7.14%) OO
8 2 (7.14%) Pair Programming
8 2 (7.14%) Refactoring
8 2 (7.14%) TDD
8 2 (7.14%) Technical Architecture
9 1 (3.57%) Open Source
Programming Languages
1 20 (71.43%) SQL
2 16 (57.14%) Java
3 13 (46.43%) SPARQL
4 9 (32.14%) Scala
5 6 (21.43%) JavaScript
6 3 (10.71%) Python
6 3 (10.71%) Ruby
6 3 (10.71%) XPath
6 3 (10.71%) XQuery
7 2 (7.14%) Clojure
7 2 (7.14%) Groovy
7 2 (7.14%) Perl
7 2 (7.14%) PHP
8 1 (3.57%) C++
Qualifications
1 2 (7.14%) Degree
Quality Assurance & Compliance
1 9 (32.14%) Dublin Core
2 7 (25.00%) Data Quality
3 1 (3.57%) QA
Vendors
1 10 (35.71%) Talend
2 5 (17.86%) Oracle
3 1 (3.57%) Cloudera
3 1 (3.57%) Hortonworks
3 1 (3.57%) MapR
3 1 (3.57%) OpenLink
3 1 (3.57%) Teradata